Symeon Papadopoulos

341 papers A* 8A 6B 30C 9Misc 1Journal 138Unranked 119

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	TGIF2: Extended Text-Guided Inpainting Forgery Dataset & Benchmark. CoRR Hannes Mareen, Dimitrios Karageorgiou, Paschalis Giakoumoglou, Peter Lambert, Symeon Papadopoulos, Glenn Van Wallendael
2025	J	`jnl`	"Humor, Art, or Misinformation?": A Multimodal Dataset for Intent-Aware Synthetic Image Detection. CoRR Anastasios Skoularikis, Stefanos-Iordanis Papadopoulos, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025	J	`jnl`	A Brief Review for Compression and Transfer Learning Techniques in DeepFake Detection. CoRR Andreas Karathanasis, John Violos, Ioannis Kompatsiaris, Symeon Papadopoulos
2025	—	`conf`	A Brief Review for Compression and Transfer Learning Techniques in Deepfake Detection. DSP Andreas Karathanasis, John Violos, Ioannis Kompatsiaris, Symeon Papadopoulos
2025	J	`jnl`	A Large-scale AI-generated Image Inpainting Benchmark. CoRR Paschalis Giakoumoglou, Dimitrios Karageorgiou, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025	—	`conf`	Achieving Socio-Economic Parity through the Lens of EU AI Act. FAccT Arjun Roy, Stavroula Rizou, Symeon Papadopoulos, Eirini Ntoutsi
2025	J	`jnl`	Achieving Socio-Economic Parity through the Lens of EU AI Act. CoRR Arjun Roy, Stavroula Rizou, Symeon Papadopoulos, Eirini Ntoutsi
2025	A*	`conf`	Any-Resolution AI-Generated Image Detection by Spectral Learning. CVPR Dimitrios Karageorgiou, Symeon Papadopoulos, Ioannis Kompatsiaris, Efstratios Gavves
2025	J	`jnl`	AuViRe: Audio-visual Speech Representation Reconstruction for Deepfake Temporal Localization. CoRR Christos Koutlis, Symeon Papadopoulos
2025	—	`conf`	BAdd: Bias Mitigation Through Bias Addition. ICCVW Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2025	—	`ed.`	Chatbots and Human-Centered AI - 8th International Workshop, CONVERSATIONS 2024, Thessaloniki, Greece, December 4-5, 2024, Revised Selected Papers CONVERSATIONS Asbjørn Følstad, Symeon Papadopoulos, Theo B. Araujo, Effie L.-C. Law, Ewa Luger, Sebastian Hobert, Petter Bae Brandtzaeg
2025	—	`conf`	Composite Data Augmentations for Synthetic Image Detection Against Real-World Perturbations. EUSIPCO Efthymia Amarantidou, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025	J	`jnl`	Composite Data Augmentations for Synthetic Image Detection Against Real-World Perturbations. CoRR Efthymia Amarantidou, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025	J	`jnl`	Designing and Generating Diverse, Equitable Face Image Datasets for Face Verification Tasks. CoRR Georgia Baltsou, Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos
2025	J	`jnl`	Do DeepFake Attribution Models Generalize? CoRR Spiros Baxavanakis, Manos Schinas, Symeon Papadopoulos
2025	—	`conf`	Do Deepfake Attribution Models Generalize? MAD@ICMR Spiros Baxevanakis, Manos Schinas, Symeon Papadopoulos
2025	J	`jnl`	FLAC: Fairness-Aware Representation Learning by Suppressing Attribute-Class Associations. IEEE Trans. Pattern Anal. Mach. Intell. Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2025	—	`conf`	Face-swapping Based Data Augmentation for ID Document and Selfie Face Verification. WACV (Workshops) Elmokhtar Mohamed Moussa, Ioannis Sarridis, Emmanouil Krasanakis, Nathan Ramoly, Symeon Papadopoulos, Ahmad Montaser Awal, Lara Younes
2025	J	`jnl`	Few-Shot Class-Incremental Learning For Efficient SAR Automatic Target Recognition. CoRR George Karantaidis, Athanasios Pantsios, Ioannis Kompatsiaris, Symeon Papadopoulos
2025	J	`jnl`	Frugal Machine Learning for Energy-efficient, and Resource-aware Artificial Intelligence. CoRR John Violos, Konstantina-Christina Diamanti, Ioannis Kompatsiaris, Symeon Papadopoulos
2025	A	`conf`	InDistill: Information flow-preserving knowledge distillation for model compression. WACV Ioannis Sarridis, Christos Koutlis, Giorgos Kordopatis-Zilos, Ioannis Kompatsiaris, Symeon Papadopoulos
2025	J	`jnl`	IncSAR: A Dual Fusion Incremental Learning Framework for SAR Target Recognition. IEEE Access George Karantaidis, Athanasios Pantsios, Ioannis Kompatsiaris, Symeon Papadopoulos
2025	J	`jnl`	Latent Multimodal Reconstruction for Misinformation Detection. CoRR Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025	B	`conf`	MAD'25: 4th ACM International Workshop on Multimedia AI against Disinformation. ICMR Dan-Cristian Stanciu, Bogdan Ionescu, Symeon Papadopoulos, Giorgos Kordopatis-Zilos, Adrian Popescu, Roberto Caldelli, Milica Gerhardt, Vera Schmitt
2025	J	`jnl`	Mitigating Viewer Impact From Disturbing Imagery Using AI Filters: A User-Study. Int. J. Hum. Comput. Interact. Ioannis Sarridis, Jochen Spangenberg, Olga Papadopoulou, Symeon Papadopoulos
2025	B	`conf`	Multimodal and Multilingual Fact-Checked Article Retrieval. ICMR Stefanos-Iordanis Papadopoulos, Ivana Benová, Sebastian Kula, Michal Gregor, George Karantaidis, Tomas Javurek, Marián Simko, Symeon Papadopoulos
2025	J	`jnl`	Navigating the Challenges of AI-Generated Image Detection in the Wild: What Truly Matters? CoRR Despina Konstantinidou, Dimitrios Karageorgiou, Christos Koutlis, Olga Papadopoulou, Emmanouil Schinas, Symeon Papadopoulos
2025	—	`ed.`	Proceedings of the 2nd Workshop on AI bias: Measurements, Mitigation, Explanation Strategies, Barcelona, Spain, March 20, 2025. AIMMES Roberta Calegari, Carlos Castillo, Symeon Papadopoulos, Roger Andre Søraa
2025	—	`ed.`	Proceedings of the 4th ACM International Workshop on Multimedia AI against Disinformation, MAD' 25, ChicagoUSA, 30 June 2025- 3 July 2025 MAD@ICMR Dan-Cristian Stanciu, Bogdan Ionescu, Symeon Papadopoulos, Giorgos Kordopatis-Zilos, Adrian Popescu, Roberto Caldelli, Milica Gerhardt, Vera Schmitt
2025	J	`jnl`	RED-DOT: Multimodal Fact-Checking viaRelevant Evidence Detection. IEEE Trans. Comput. Soc. Syst. Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025	J	`jnl`	Reducing inference energy consumption using dual complementary CNNs. Future Gener. Comput. Syst. Michail Kinnas, John Violos, Ioannis Kompatsiaris, Symeon Papadopoulos
2025	A	`conf`	Similarity Over Factuality: Are we Making Progress on Multimodal Out-of-Context Misinformation Detection? WACV Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2025	—	`conf`	TextureCrop: Enhancing Synthetic Image Detection Through Texture-Based Cropping. WACV (Workshops) Despina Konstantinidou, Christos Koutlis, Symeon Papadopoulos
2025	—	`conf`	UX Evaluation and Best Practices for Social Research Data-Collection Tools: The Case of iMedius FormBuilder: A streamlined methodology for evaluating the user experience of social research digital tools demonstrated through its application to the iMedius FormBuilder platform. CHI Greece Minas Pergantis, Paris Xylogiannis, Nikolaos Vryzas, Symeon Papadopoulos, Andreas Giannakoulopoulos, Charalampos Dimoulas
2025	—	`conf`	VB-Mitigator: An Open-source Framework for Evaluating and Advancing Visual Bias Mitigation. AEQUITAS@ECAI Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2025	J	`jnl`	VB-Mitigator: An Open-source Framework for Evaluating and Advancing Visual Bias Mitigation. CoRR Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2024	B	`conf`	A CLIP-based Siamese Approach for Meme Classification. IJCNN Javier Huertas-Tato, Christos Koutlis, Symeon Papadopoulos, David Camacho, Ioannis Kompatsiaris
2024	J	`jnl`	A CLIP-based siamese approach for meme classification. CoRR Javier Huertas-Tato, Christos Koutlis, Symeon Papadopoulos, David Camacho, Ioannis Kompatsiaris
2024	J	`jnl`	Any-Resolution AI-Generated Image Detection by Spectral Learning. CoRR Dimitrios Karageorgiou, Symeon Papadopoulos, Ioannis Kompatsiaris, Efstratios Gavves
2024	J	`jnl`	BAdd: Bias Mitigation through Bias Addition. CoRR Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2024	—	`ed.`	Chatbot Research and Design - 7th International Workshop, CONVERSATIONS 2023, Oslo, Norway, November 22-23, 2023, Revised Selected Papers CONVERSATIONS Asbjørn Følstad, Theo B. Araujo, Symeon Papadopoulos, Effie L.-C. Law, Ewa Luger, Morten Goodwin, Sebastian Hobert, Petter Bae Brandtzaeg
2024	J	`jnl`	Correction to: Studying bias in visual features through the lens of optimal transport. Data Min. Knowl. Discov. Simone Fabbrizzi, Xuan Zhao, Emmanouil Krasanakis, Symeon Papadopoulos, Eirini Ntoutsi
2024	J	`jnl`	Credible, Unreliable or Leaked?: Evidence Verification for Enhanced Automated Fact-checking. CoRR Zacharias Chrysidis, Stefanos-Iordanis Papadopoulos, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2024	—	`conf`	Credible, Unreliable or Leaked?: Evidence verification for enhanced automated fact-checking. MAD@ICMR Zacharias Chrysidis, Stefanos-Iordanis Papadopoulos, Symeon Papadopoulos, Panagiotis Petrantonakis
2024	J	`jnl`	DiMoDif: Discourse Modality-information Differentiation for Audio-visual Deepfake Detection and Localization. CoRR Christos Koutlis, Symeon Papadopoulos
2024	J	`jnl`	Evaluating AI Group Fairness: a Fuzzy Logic Perspective. CoRR Emmanouil Krasanakis, Symeon Papadopoulos
2024	—	`conf`	Evolution of Detection Performance Throughout the Online Lifespan of Synthetic Images. ECCV Workshops (21) Dimitrios Karageorgiou, Quentin Bammey, Valentin Porcellini, Bertrand Goupil, Denis Teyssou, Symeon Papadopoulos
2024	J	`jnl`	Evolution of Detection Performance throughout the Online Lifespan of Synthetic Images. CoRR Dimitrios Karageorgiou, Quentin Bammey, Valentin Porcellini, Bertrand Goupil, Denis Teyssou, Symeon Papadopoulos
2024	—	`conf`	FRCSyn Challenge at WACV 2024: Face Recognition Challenge in the Era of Synthetic Data. WACV (Workshops) Pietro Melzi, Ruben Tolosana, Rubén Vera-Rodríguez, Minchul Kim, Christian Rathgeb, Xiaoming Liu, Ivan DeAndres-Tame, Aythami Morales, Julian Fiérrez, Javier Ortega-Garcia, Weisong Zhao, Xiangyu Zhu, Zheyu Yan, Xiaoyu Zhang, Jinlin Wu, Zhen Lei, Suvidha Tripathi, Mahak Kothari, Md Haider Zama, Debayan Deb, Bernardo Biesseck, Pedro Vidal, Roger Granada, Guilherme P. Fickel, Gustavo Führ, David Menotti, Alexander Unnervik, Anjith George, Christophe Ecabert, Hatef Otroshi-Shahreza, Parsa Rahimi, Sébastien Marcel, Ioannis Sarridis, Christos Koutlis, Georgia Baltsou, Symeon Papadopoulos, Christos Diou, Nicolò Di Domenico, Guido Borghi, Lorenzo Pellegrini, Enrique Mas-Candela, Ángela Sánchez-Pérez, Andrea Atzori, Gianni Fenu, Fadi Boutros, Mirko Marras, Naser Damer
2024	J	`jnl`	FRCSyn-onGoing: Benchmarking and comprehensive evaluation of real and synthetic data to improve face recognition systems. Inf. Fusion Pietro Melzi, Ruben Tolosana, Rubén Vera-Rodríguez, Minchul Kim, Christian Rathgeb, Xiaoming Liu, Ivan DeAndres-Tame, Aythami Morales, Julian Fiérrez, Javier Ortega-Garcia, Weisong Zhao, Xiangyu Zhu, Zheyu Yan, Xiaoyu Zhang, Jinlin Wu, Zhen Lei, Suvidha Tripathi, Mahak Kothari, Md Haider Zama, Debayan Deb, Bernardo Biesseck, Pedro Vidal, Roger Granada, Guilherme P. Fickel, Gustavo Führ, David Menotti, Alexander Unnervik, Anjith George, Christophe Ecabert, Hatef Otroshi-Shahreza, Parsa Rahimi, Sébastien Marcel, Ioannis Sarridis, Christos Koutlis, Georgia Baltsou, Symeon Papadopoulos, Christos Diou, Nicolò Di Domenico, Guido Borghi, Lorenzo Pellegrini, Enrique Mas-Candela, Ángela Sánchez-Pérez, Andrea Atzori, Fadi Boutros, Naser Damer, Gianni Fenu, Mirko Marras
2024	B	`conf`	FaceX: Understanding Face Attribute Classifiers through Summary Model Explanations. ICMR Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2024	J	`jnl`	FaceX: Understanding Face Attribute Classifiers through Summary Model Explanations. CoRR Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2024	B	`conf`	FairBranch: Mitigating Bias Transfer in Fair Multi-task Learning. IJCNN Arjun Roy, Christos Koutlis, Symeon Papadopoulos, Eirini Ntoutsi
2024	—	`conf`	Fusion Transformer with Object Mask Guidance for Image Forgery Analysis. CVPR Workshops Dimitrios Karageorgiou, Giorgos Kordopatis-Zilos, Symeon Papadopoulos
2024	J	`jnl`	Fusion Transformer with Object Mask Guidance for Image Forgery Analysis. CoRR Dimitrios Karageorgiou, Giorgos Kordopatis-Zilos, Symeon Papadopoulos
2024	J	`jnl`	IncSAR: A Dual Fusion Incremental Learning Framework for SAR Target Recognition. CoRR George Karantaidis, Athanasios Pantsios, Yiannis Kompatsiaris, Symeon Papadopoulos
2024	A	`conf`	Integrity 2024: Integrity in Social Networks and Media. WSDM Lluís Garcia Pueyo, Symeon Papadopoulos, Prathyusha Senthil Kumar, Aristides Gionis, Panayiotis Tsaparas, Vasilis Verroios, Giuseppe Manco, Anton Andryeyev, Stefano Cresci, Timos Sellis, Anthony McCosker
2024	—	`conf`	Leveraging Representations from Intermediate Encoder-Blocks for Synthetic Image Detection. ECCV (72) Christos Koutlis, Symeon Papadopoulos
2024	J	`jnl`	Leveraging Representations from Intermediate Encoder-blocks for Synthetic Image Detection. CoRR Christos Koutlis, Symeon Papadopoulos
2024	B	`conf`	MAD '24 Workshop: Multimedia AI against Disinformation. ICMR Cristian Lucian Stanciu, Bogdan Ionescu, Luca Cuccovillo, Symeon Papadopoulos, Giorgos Kordopatis-Zilos, Adrian Popescu, Roberto Caldelli
2024	J	`jnl`	MAVias: Mitigate any Visual Bias. CoRR Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2024	J	`jnl`	MINTIME: Multi-Identity Size-Invariant Video Deepfake Detection. IEEE Trans. Inf. Forensics Secur. Davide Alessandro Coccomini, Giorgos Kordopatis-Zilos, Giuseppe Amato, Roberto Caldelli, Fabrizio Falchi, Symeon Papadopoulos, Claudio Gennaro
2024	J	`jnl`	PolyMeme: Fine-Grained Internet Meme Sensing. Sensors Vasileios Arailopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2024	—	`ed.`	Proceedings of the 1st Workshop on AI bias: Measurements, Mitigation, Explanation Strategies co-located with the AI Fairness Cluster Inaugural Conference 2024, Amsterdam, Netherlands, March 20, 2024. AIMMES Roberta Calegari, Carlos Castillo, Symeon Papadopoulos, Roger Andre Søraa
2024	—	`ed.`	Proceedings of the 3rd ACM International Workshop on Multimedia AI against Disinformation, MAD 2024, Phuket, Thailand, June 10-14, 2024 MAD@ICMR Cristian Lucian Stanciu, Luca Cuccovillo, Bogdan Ionescu, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Adrian Popescu, Roberto Caldelli
2024	—	`conf`	REBECCA at eRisk 2024: Search for Symptoms of Depression Using Sentence Embeddings and Prompt-Based Filtering. CLEF (Working Notes) Anna Barachanou, Filareti Tsalakanidou, Symeon Papadopoulos
2024	J	`jnl`	Reducing Inference Energy Consumption Using Dual Complementary CNNs. CoRR Michail Kinnas, John Violos, Ioannis Kompatsiaris, Symeon Papadopoulos
2024	B	`conf`	SDFD: Building a Versatile Synthetic Face Image Dataset with Diverse Attributes. FG Georgia Baltsou, Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos
2024	J	`jnl`	SDFD: Building a Versatile Synthetic Face Image Dataset with Diverse Attributes. CoRR Georgia Baltsou, Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos
2024	J	`jnl`	SIDBench: A Python Framework for Reliably Assessing Synthetic Image Detection Methods. CoRR Manos Schinas, Symeon Papadopoulos
2024	—	`conf`	SIDBench: A Python framework for reliably assessing synthetic image detection methods. MAD@ICMR Manos Schinas, Symeon Papadopoulos
2024	J	`jnl`	Sampling Strategies for Mitigating Bias in Face Synthesis Methods. CoRR Emmanouil Maragkoudakis, Symeon Papadopoulos, Iraklis Varlamis, Christos Diou
2024	J	`jnl`	Similarity over Factuality: Are we making progress on multimodal out-of-context misinformation detection? CoRR Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2024	J	`jnl`	Studying bias in visual features through the lens of optimal transport. Data Min. Knowl. Discov. Simone Fabbrizzi, Xuan Zhao, Emmanouil Krasanakis, Symeon Papadopoulos, Eirini Ntoutsi
2024	B	`conf`	Sum of Group Error Differences: A Critical Examination of Bias Evaluation in Biometric Verification and a Dual-Metric Measure. FG Alaa Elobaid, Nathan Ramoly, Lara Younes, Symeon Papadopoulos, Eirini Ntoutsi, Ioannis Kompatsiaris
2024	J	`jnl`	Sum of Group Error Differences: A Critical Examination of Bias Evaluation in Biometric Verification and a Dual-Metric Measure. CoRR Alaa Elobaid, Nathan Ramoly, Lara Younes, Symeon Papadopoulos, Eirini Ntoutsi, Ioannis Kompatsiaris
2024	—	`conf`	TGIF: Text-Guided Inpainting Forgery Dataset. WIFS Hannes Mareen, Dimitrios Karageorgiou, Glenn Van Wallendael, Peter Lambert, Symeon Papadopoulos
2024	J	`jnl`	TGIF: Text-Guided Inpainting Forgery Dataset. CoRR Hannes Mareen, Dimitrios Karageorgiou, Glenn Van Wallendael, Peter Lambert, Symeon Papadopoulos
2024	J	`jnl`	TextureCrop: Enhancing Synthetic Image Detection through Texture-based Cropping. CoRR Despina Konstantinidou, Christos Koutlis, Symeon Papadopoulos
2024	J	`jnl`	The 2023 video similarity dataset and challenge. Comput. Vis. Image Underst. Ed Pizzi, Giorgos Kordopatis-Zilos, Hiral Patel, Gheorghe Postelnicu, Sugosh Nagavara Ravindra, Akshay Gupta, Symeon Papadopoulos, Giorgos Tolias, Matthijs Douze
2024	J	`jnl`	The Visual Saliency Transformer Goes Temporal: TempVST for Video Saliency Prediction. IEEE Access Nikos Lazaridis, Kostas Georgiadis, Fotis Kalaganis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Spiros Nikolopoulos, Ioannis Kompatsiaris
2024	—	`conf`	Towards Optimal Trade-Offs in Knowledge Distillation for CNNs and Vision Transformers at the Edge. EUSIPCO John Violos, Symeon Papadopoulos, Ioannis Kompatsiaris
2024	J	`jnl`	Towards Optimal Trade-offs in Knowledge Distillation for CNNs and Vision Transformers at the Edge. CoRR John Violos, Symeon Papadopoulos, Ioannis Kompatsiaris
2024	—	`conf`	Towards Quantitative Evaluation of Explainable AI Methods for Deepfake Detection. MAD@ICMR Konstantinos Tsigos, Evlampios Apostolidis, Spyridon Baxevanakis, Symeon Papadopoulos, Vasileios Mezaris
2024	J	`jnl`	Towards Quantitative Evaluation of Explainable AI Methods for Deepfake Detection. CoRR Konstantinos Tsigos, Evlampios Apostolidis, Spyridon Baxevanakis, Symeon Papadopoulos, Vasileios Mezaris
2024	—	`conf`	Towards Standardizing AI Bias Exploration. AIMMES Emmanouil Krasanakis, Symeon Papadopoulos
2024	J	`jnl`	Towards Standardizing AI Bias Exploration. CoRR Emmanouil Krasanakis, Symeon Papadopoulos
2024	J	`jnl`	VERITE: a Robust benchmark for multimodal misinformation detection accounting for unimodal bias. Int. J. Multim. Inf. Retr. Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2024	J	`jnl`	Zero-Shot Content-Based Crossmodal Recommendation System. Expert Syst. Appl. Federico D'Asaro, Sara De Luca, Lorenzo Bongiovanni, Giuseppe Rizzo, Symeon Papadopoulos, Manos Schinas, Christos Koutlis
2023	—	`conf`	A Multi-Stream Fusion Network for Image Splicing Localization. MMM (2) Maria Siopi, Giorgos Kordopatis-Zilos, Polychronis Charitidis, Ioannis Kompatsiaris, Symeon Papadopoulos
2023	J	`jnl`	AdaCC: cumulative cost-sensitive boosting for imbalanced classification. Knowl. Inf. Syst. Vasileios Iosifidis, Symeon Papadopoulos, Bodo Rosenhahn, Eirini Ntoutsi
2023	—	`ed.`	Chatbot Research and Design - 6th International Workshop, CONVERSATIONS 2022, Amsterdam, The Netherlands, November 22-23, 2022, Revised Selected Papers CONVERSATIONS Asbjørn Følstad, Theo B. Araujo, Symeon Papadopoulos, Effie L.-C. Law, Ewa Luger, Morten Goodwin, Petter Bae Brandtzaeg
2023	J	`jnl`	FLAC: Fairness-Aware Representation Learning by Suppressing Attribute-Class Associations. CoRR Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2023	J	`jnl`	FRCSyn Challenge at WACV 2024: Face Recognition Challenge in the Era of Synthetic Data. CoRR Pietro Melzi, Ruben Tolosana, Rubén Vera-Rodríguez, Minchul Kim, Christian Rathgeb, Xiaoming Liu, Ivan DeAndres-Tame, Aythami Morales, Julian Fiérrez, Javier Ortega-Garcia, Weisong Zhao, Xiangyu Zhu, Zheyu Yan, Xiaoyu Zhang, Jinlin Wu, Zhen Lei, Suvidha Tripathi, Mahak Kothari, Md Haider Zama, Debayan Deb, Bernardo Biesseck, Pedro Vidal, Roger Granada, Guilherme P. Fickel, Gustavo Führ, David Menotti, Alexander Unnervik, Anjith George, Christophe Ecabert, Hatef Otroshi-Shahreza, Parsa Rahimi, Sébastien Marcel, Ioannis Sarridis, Christos Koutlis, Georgia Baltsou, Symeon Papadopoulos, Christos Diou, Nicolò Di Domenico, Guido Borghi, Lorenzo Pellegrini, Enrique Mas-Candela, Ángela Sánchez-Pérez, Andrea Atzori, Fadi Boutros, Naser Damer, Gianni Fenu, Mirko Marras
2023	J	`jnl`	FairBranch: Fairness Conflict Correction on Task-group Branches for Fair Multi-Task Learning. CoRR Arjun Roy, Christos Koutlis, Symeon Papadopoulos, Eirini Ntoutsi
2023	J	`jnl`	Figments and Misalignments: A Framework for Fine-grained Crossmodal Misinformation Detection. CoRR Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2023	J	`jnl`	Graph Neural Network Surrogates of Fair Graph Filtering. CoRR Emmanouil Krasanakis, Symeon Papadopoulos
2023	—	`conf`	Improving Synthetically Generated Image Detection in Cross-Concept Settings. MAD@ICMR Pantelis Dogoulis, Giorgos Kordopatis-Zilos, Ioannis Kompatsiaris, Symeon Papadopoulos
2023	J	`jnl`	Improving Synthetically Generated Image Detection in Cross-Concept Settings. CoRR Pantelis Dogoulis, Giorgos Kordopatis-Zilos, Ioannis Kompatsiaris, Symeon Papadopoulos
2023	J	`jnl`	Investigation of ensemble methods for the detection of deepfake face manipulations. CoRR Nikolaos Giatsoglou, Symeon Papadopoulos, Ioannis Kompatsiaris
2023	J	`jnl`	JGNN: Graph Neural Networks on native Java. SoftwareX Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris
2023	B	`conf`	MAAM: Media Asset Annotation and Management. ICMR Manos Schinas, Panagiotis Galopoulos, Symeon Papadopoulos
2023	B	`conf`	MAD '23 Workshop: Multimedia AI against Disinformation. ICMR Luca Cuccovillo, Bogdan Ionescu, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Adrian Popescu
2023	B	`conf`	MemeFier: Dual-stage Modality Fusion for Image Meme Classification. ICMR Christos Koutlis, Manos Schinas, Symeon Papadopoulos
2023	J	`jnl`	MemeFier: Dual-stage Modality Fusion for Image Meme Classification. CoRR Christos Koutlis, Manos Schinas, Symeon Papadopoulos
2023	J	`jnl`	MemeTector: enforcing deep focus for meme detection. Int. J. Multim. Inf. Retr. Christos Koutlis, Manos Schinas, Symeon Papadopoulos
2023	J	`jnl`	Mitigating Viewer Impact from Disturbing Imagery using AI Filters: A User-Study. CoRR Ioannis Sarridis, Jochen Spangenberg, Olga Papadopoulou, Symeon Papadopoulos
2023	C	`conf`	Online Behaviour Indicator Extraction for Enhanced Cancer Patient Management using Real-World Data. CBMI Georgia Pantalona, Anna Barachanou, Nikolaos Loukas, Lazaros Apostolidis, Filareti Tsalakanidou, Symeon Papadopoulos
2023	B	`ed.`	Proceedings of the 2023 ACM International Conference on Multimedia Retrieval, ICMR 2023, Thessaloniki, Greece, June 12-15, 2023 ICMR Ioannis Kompatsiaris, Jiebo Luo, Nicu Sebe, Angela Yao, Vasileios Mazaris, Symeon Papadopoulos, Adrian Popescu, Zi Helen Huang
2023	—	`ed.`	Proceedings of the 2nd ACM International Workshop on Multimedia AI against Disinformation, MAD@ICMR 2023, Thessaloniki, Greece, June 12-15, 2023 MAD@ICMR Luca Cuccovillo, Bagdan Ionescu, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Adrina Popescu
2023	J	`jnl`	RED-DOT: Multimodal Fact-checking via Relevant Evidence Detection. CoRR Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2023	—	`conf`	Sampling Strategies for Mitigating Bias in Face Synthesis Methods. PKDD/ECML Workshops (1) Emmanouil Maragkoudakis, Symeon Papadopoulos, Iraklis Varlamis, Christos Diou
2023	—	`conf`	Self-Supervised Video Similarity Learning. CVPR Workshops Giorgos Kordopatis-Zilos, Giorgos Tolias, Christos Tzelepis, Ioannis Kompatsiaris, Ioannis Patras, Symeon Papadopoulos
2023	J	`jnl`	Self-Supervised Video Similarity Learning. CoRR Giorgos Kordopatis-Zilos, Giorgos Tolias, Christos Tzelepis, Ioannis Kompatsiaris, Ioannis Patras, Symeon Papadopoulos
2023	—	`conf`	Synthetic Misinformers: Generating and Combating Multimodal Misinformation. MAD@ICMR Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis Petrantonakis
2023	J	`jnl`	Synthetic Misinformers: Generating and Combating Multimodal Misinformation. CoRR Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Panagiotis C. Petrantonakis
2023	J	`jnl`	The 2023 Video Similarity Dataset and Challenge. CoRR Ed Pizzi, Giorgos Kordopatis-Zilos, Hiral Patel, Gheorghe Postelnicu, Sugosh Nagavara Ravindra, Akshay Gupta, Symeon Papadopoulos, Giorgos Tolias, Matthijs Douze
2023	—	`conf`	Towards Fair Face Verification: An In-depth Analysis of Demographic Biases. PKDD/ECML Workshops (1) Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2023	J	`jnl`	Towards Fair Face Verification: An In-depth Analysis of Demographic Biases. CoRR Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Christos Diou
2023	—	`conf`	Towards an international standard to establish trust in media production, distribution and consumption. DSP Frederik Temmermans, Sabrina B. Caldwell, Symeon Papadopoulos, Fernando Pereira, Philippe Rixhon
2023	J	`jnl`	VICTOR: Visual incompatibility detection with transformers and fashion-specific contrastive pre-training. J. Vis. Commun. Image Represent. Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022	—	`conf`	A Graph Diffusion Scheme for Decentralized Content Search based on Personalized PageRank. ICDCS Workshops Nikolaos Giatsoglou, Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022	J	`jnl`	A Graph Diffusion Scheme for Decentralized Content Search based on Personalized PageRank. CoRR Nikolaos Giatsoglou, Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022	J	`jnl`	A Multi-Stream Fusion Network for Image Splicing Localization. CoRR Maria Siopi, Giorgos Kordopatis-Zilos, Polychronis Charitidis, Ioannis Kompatsiaris, Symeon Papadopoulos
2022	J	`jnl`	A survey on bias in visual datasets. Comput. Vis. Image Underst. Simone Fabbrizzi, Symeon Papadopoulos, Eirini Ntoutsi, Ioannis Kompatsiaris
2022	J	`jnl`	AdaCC: Cumulative Cost-Sensitive Boosting for Imbalanced Classification. CoRR Vasileios Iosifidis, Symeon Papadopoulos, Bodo Rosenhahn, Eirini Ntoutsi
2022	—	`conf`	AutoGF: Runtime Graph Filter Tuning for Community Node Ranking. COMPLEX NETWORKS (2) Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022	J	`jnl`	COVID-Related Misinformation Migration to BitChute and Odysee. Future Internet Olga Papadopoulou, Evangelia Kartsounidou, Symeon Papadopoulos
2022	—	`ed.`	Chatbot Research and Design - 5th International Workshop, CONVERSATIONS 2021, Virtual Event, November 23-24, 2021, Revised Selected Papers CONVERSATIONS Asbjørn Følstad, Theo B. Araujo, Symeon Papadopoulos, Effie L.-C. Law, Ewa Luger, Morten Goodwin, Petter Bae Brandtzaeg
2022	J	`jnl`	Design-time Fashion Popularity Forecasting in VR Environments. CoRR Stefanos-Iordanis Papadopoulos, Christos Koutlis, Anastasios Papazoglou-Chalikias, Symeon Papadopoulos, Spiros Nikolopoulos
2022	J	`jnl`	DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval. Int. J. Comput. Vis. Giorgos Kordopatis-Zilos, Christos Tzelepis, Symeon Papadopoulos, Ioannis Kompatsiaris, Ioannis Patras
2022	J	`jnl`	InDistill: Transferring Knowledge From Pruned Intermediate Layers. CoRR Ioannis Sarridis, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022	—	`conf`	Leveraging Large-scale Multimedia Datasets to Refine Content Moderation Models. BigMM Ioannis Sarridis, Christos Koutlis, Olga Papadopoulou, Symeon Papadopoulos
2022	J	`jnl`	Leveraging Large-scale Multimedia Datasets to Refine Content Moderation Models. CoRR Ioannis Sarridis, Christos Koutlis, Olga Papadopoulou, Symeon Papadopoulos
2022	—	`conf`	Leveraging Selective Prediction for Reliable Image Geolocation. MMM (2) Apostolos Panagiotopoulos, Giorgos Kordopatis-Zilos, Symeon Papadopoulos
2022	B	`conf`	MAD '22 Workshop: Multimedia AI against Disinformation. ICMR Bogdan Ionescu, Giorgos Kordopatis-Zilos, Adrian Popescu, Luca Cuccovillo, Symeon Papadopoulos
2022	—	`ed.`	MAD@ICMR 2022: Proceedings of the 1st International Workshop on Multimedia AI against Disinformation, Newark, NJ, USA, June 27 - 30, 2022 MAD@ICMR Bogdan Ionescu, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Adrian Popescu, Luca Cuccovillo
2022	J	`jnl`	MINTIME: Multi-Identity Size-Invariant Video Deepfake Detection. CoRR Davide Alessandro Coccomini, Giorgos Kordopatis-Zilos, Giuseppe Amato, Roberto Caldelli, Fabrizio Falchi, Symeon Papadopoulos, Claudio Gennaro
2022	J	`jnl`	MeVer NetworkX: Network Analysis and Visualization for Tracing Disinformation. Future Internet Olga Papadopoulou, Themistoklis Makedas, Lazaros Apostolidis, Francesco Poldi, Symeon Papadopoulos, Ioannis Kompatsiaris
2022	J	`jnl`	MemeTector: Enforcing deep focus for meme detection. CoRR Christos Koutlis, Manos Schinas, Symeon Papadopoulos
2022	J	`jnl`	Multimodal Quasi-AutoRegression: Forecasting the visual popularity of new fashion products. CoRR Stefanos I. Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022	J	`jnl`	Multimodal Quasi-AutoRegression: forecasting the visual popularity of new fashion products. Int. J. Multim. Inf. Retr. Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022	—	`conf`	Novel Paradigms of Human-Fashion Interaction. SETN Anastasios Papazoglou-Chalikias, Elias Kouslis, Orestis Sarakatsanos, Andromachi Boikou, Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Spiros Nikolopoulos, Ioannis Kompatsiaris, David Gavilan, Dongjoe Shin, Yu Chen, Axl François, Michaela Jauk, Jamie Sutherland
2022	—	`conf`	The MeVer DeepFake Detection Service: Lessons Learnt from Developing and Deploying in the Wild. MAD@ICMR Spiros Baxevanakis, Giorgos Kordopatis-Zilos, Panagiotis Galopoulos, Lazaros Apostolidis, Killian Levacher, Ipek Baris Schlicht, Denis Teyssou, Ioannis Kompatsiaris, Symeon Papadopoulos
2022	J	`jnl`	The MeVer DeepFake Detection Service: Lessons Learnt from Developing and Deploying in the Wild. CoRR Spyridon Baxevanakis, Giorgos Kordopatis-Zilos, Panagiotis Galopoulos, Lazaros Apostolidis, Killian Levacher, Ipek Baris Schlicht, Denis Teyssou, Ioannis Kompatsiaris, Symeon Papadopoulos
2022	J	`jnl`	VICTOR: Visual Incompatibility Detection with Transformers and Fashion-specific contrastive pre-training. CoRR Stefanos-Iordanis Papadopoulos, Christos Koutlis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022	J	`jnl`	p2pGNN: A Decentralized Graph Neural Network for Node Classification in Peer-to-Peer Networks. IEEE Access Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris
2022	J	`jnl`	pygrank: A Python package for graph node ranking. SoftwareX Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris, Andreas L. Symeonidis
2021	—	`conf`	A Denoising Hybrid Model for Anomaly Detection in Trajectory Sequences. EDBT/ICDT Workshops Maria Liatsikou, Symeon Papadopoulos, Lazaros Apostolidis, Ioannis Kompatsiaris
2021	J	`jnl`	A Survey on Bias in Visual Datasets. CoRR Simone Fabbrizzi, Symeon Papadopoulos, Eirini Ntoutsi, Ioannis Kompatsiaris
2021	—	`conf`	A holistic approach to optimize and promote Bike-Sharing Systems, through an integrated action plan. ICCSA (Workshops) Ioannis Politis, Ioannis Fyrogenis, Efthymis Papadopoulos, Anastasia Nikolaidou, Eleni Verani, Lazaros Apostolidis, Symeon Papadopoulos, Maria Liatsikou, Ioannis Kompatsiaris, George Keikoglou, Konstantinos Alexiou, Nasos Chondros, Ioannis Tsampouris, Rafail Katkadigkas, Maria-Vasilia Ioannidou, Vasilios Mplesios
2021	—	`ed.`	Chatbot Research and Design - 4th International Workshop, CONVERSATIONS 2020, Virtual Event, November 23-24, 2020, Revised Selected Papers CONVERSATIONS Asbjørn Følstad, Theo B. Araujo, Symeon Papadopoulos, Effie L.-C. Law, Ewa Luger, Morten Goodwin, Petter Bae Brandtzaeg
2021	J	`jnl`	DnS: Distill-and-Select for Efficient and Accurate Video Indexing and Retrieval. CoRR Giorgos Kordopatis-Zilos, Christos Tzelepis, Symeon Papadopoulos, Ioannis Kompatsiaris, Ioannis Patras
2021	J	`jnl`	Future directions for chatbot research: an interdisciplinary research agenda. Computing Asbjørn Følstad, Theo B. Araujo, Effie Lai-Chong Law, Petter Bae Brandtzaeg, Symeon Papadopoulos, Lea Reis, Marcos Báez, Guy Laban, Patrick McAllister, Carolin Ischen, Rebecca Wald, Fabio Catania, Raphael Meyer von Wolff, Sebastian Hobert, Ewa Luger
2021	B	`conf`	Leveraging EfficientNet and Contrastive Learning for Accurate Global-scale Location Estimation. ICMR Giorgos Kordopatis-Zilos, Panagiotis Galopoulos, Symeon Papadopoulos, Ioannis Kompatsiaris
2021	J	`jnl`	Leveraging EfficientNet and Contrastive Learning for Accurate Global-scale Location Estimation. CoRR Giorgos Kordopatis-Zilos, Panagiotis Galopoulos, Symeon Papadopoulos, Ioannis Kompatsiaris
2021	J	`jnl`	Leveraging Selective Prediction for Reliable Image Geolocation. CoRR Apostolos Panagiotopoulos, Giorgos Kordopatis-Zilos, Symeon Papadopoulos
2021	—	`conf`	MeVer team tackling Corona virus and Conspiracies using Ensemble Classification. MediaEval Olga Papadopoulou, Symeon Papadopoulos
2021	C	`conf`	Operation-wise Attention Network for Tampering Localization Fusion. CBMI Polychronis Charitidis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Kompatsiaris
2021	J	`jnl`	Operation-wise Attention Network for Tampering Localization Fusion. CoRR Polychronis Charitidis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Kompatsiaris
2021	J	`jnl`	Prior Signal Editing for Graph Filter Posterior Fairness Constraints. CoRR Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris, Andreas L. Symeonidis
2021	—	`conf`	Products-6K: A Large-Scale Groceries Product Recognition Dataset. PETRA Kostas Georgiadis, Giorgos Kordopatis-Zilos, Fotis Kalaganis, Panagiotis Migkotzidis, Elisavet Chatzilari, Valasia Panakidou, Kyriakos Pantouvakis, Savvas Tortopidis, Symeon Papadopoulos, Spiros Nikolopoulos, Ioannis Kompatsiaris
2021	Misc	`conf`	The AI4Media Project: Use of Next-Generation Artificial Intelligence Technologies for Media Sector Applications. AIAI Filareti Tsalakanidou, Symeon Papadopoulos, Vasileios Mezaris, Ioannis Kompatsiaris, Birgit Gray, Danae Tsabouraki, Maritini Kalogerini, Fulvio Negro, Maurizio Montagnuolo, Jesse de Vos, Philo van Kemenade, Daniele Gravina, Rémi Mignot, Alexey Ozerov, François Schnitzler, Artur García-Sáez, Georgios N. Yannakakis, Antonios Liapis, Georgi Kostadinov
2021	C	`conf`	Towards a Privacy Respecting Image-based User Profiling Component. CBMI Panagiotis Galopoulos, Chryssanthi Iakovidou, Vasiliki Gkatziaki, Symeon Papadopoulos, Yiannis Kompatsiaris
2021	J	`jnl`	p2pGNN: A Decentralized Graph Neural Network for Node Classification in Peer-to-Peer Networks. CoRR Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris
2021	J	`jnl`	pygrank: A Python Package for Graph Node Ranking. CoRR Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris, Andreas L. Symeonidis
2020	J	`jnl`	A Face Preprocessing Approach for Improved DeepFake Detection. CoRR Polychronis Charitidis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Kompatsiaris
2020	—	`conf`	Applying Fairness Constraints on Graph Node Ranks Under Personalization Bias. COMPLEX NETWORKS (2) Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris
2020	B	`conf`	Audio-based Near-Duplicate Video Retrieval with Audio Similarity Learning. ICPR Pavlos Avgoustinakis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Andreas L. Symeonidis, Ioannis Kompatsiaris
2020	J	`jnl`	Audio-based Near-Duplicate Video Retrieval with Audio Similarity Learning. CoRR Pavlos Avgoustinakis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Andreas L. Symeonidis, Ioannis Kompatsiaris
2020	J	`jnl`	Bias in Data-driven AI Systems - An Introductory Survey. CoRR Eirini Ntoutsi, Pavlos Fafalios, Ujwal Gadiraju, Vasileios Iosifidis, Wolfgang Nejdl, Maria-Esther Vidal, Salvatore Ruggieri, Franco Turini, Symeon Papadopoulos, Emmanouil Krasanakis, Ioannis Kompatsiaris, Katharina Kinder-Kurlanda, Claudia Wagner, Fariba Karimi, Miriam Fernández, Harith Alani, Bettina Berendt, Tina Kruegel, Christian Heinze, Klaus Broelemann, Gjergji Kasneci, Thanassis Tiropanis, Steffen Staab
2020	J	`jnl`	Bias in data-driven artificial intelligence systems - An introductory survey. WIREs Data Mining Knowl. Discov. Eirini Ntoutsi, Pavlos Fafalios, Ujwal Gadiraju, Vasileios Iosifidis, Wolfgang Nejdl, Maria-Esther Vidal, Salvatore Ruggieri, Franco Turini, Symeon Papadopoulos, Emmanouil Krasanakis, Ioannis Kompatsiaris, Katharina Kinder-Kurlanda, Claudia Wagner, Fariba Karimi, Miriam Fernández, Harith Alani, Bettina Berendt, Tina Kruegel, Christian Heinze, Klaus Broelemann, Gjergji Kasneci, Thanassis Tiropanis, Steffen Staab
2020	J	`jnl`	Boosted seed oversampling for local community ranking. Inf. Process. Manag. Emmanouil Krasanakis, Emmanouil Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris, Andreas L. Symeonidis
2020	—	`ed.`	Chatbot Research and Design - Third International Workshop, CONVERSATIONS 2019, Amsterdam, The Netherlands, November 19-20, 2019, Revised Selected Papers CONVERSATIONS Asbjørn Følstad, Theo B. Araujo, Symeon Papadopoulos, Effie Lai-Chong Law, Ole-Christoffer Granmo, Ewa Luger, Petter Bae Brandtzæg
2020	J	`jnl`	GAP: Geometric Aggregation of Popularity Metrics. Inf. Christos Koutlis, Manos Schinas, Symeon Papadopoulos, Ioannis Kompatsiaris
2020	—	`conf`	Investigating the Impact of Pre-processing and Prediction Aggregation on the DeepFake Detection Task. TTO Polychronis Charitidis, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Kompatsiaris
2020	—	`conf`	Knowledge-Based Fusion for Image Tampering Localization. AIAI (1) Chryssanthi Iakovidou, Symeon Papadopoulos, Yiannis Kompatsiaris
2020	J	`jnl`	LAVARNET: Neural Network Modeling of Causal Variable Relationships for Multivariate Time Series Forecasting. CoRR Christos Koutlis, Symeon Papadopoulos, Manos Schinas, Ioannis Kompatsiaris
2020	J	`jnl`	LAVARNET: Neural network modeling of causal variable relationships for multivariate time series forecasting. Appl. Soft Comput. Christos Koutlis, Symeon Papadopoulos, Manos Schinas, Ioannis Kompatsiaris
2020	—	`conf`	MeVer Team Tackling Corona Virus and 5G Conspiracy Using Ensemble Classification Based on BERT. MediaEval Olga Papadopoulou, Giorgos Kordopatis-Zilos, Symeon Papadopoulos
2020	B	`conf`	Stopping Personalized PageRank without an Error Tolerance Parameter. ASONAM Emmanouil Krasanakis, Symeon Papadopoulos, Ioannis Kompatsiaris
2020	J	`jnl`	Unsupervised evaluation of multiple node ranks by reconstructing local structures. Appl. Netw. Sci. Emmanouil Krasanakis, Symeon Papadopoulos, Yiannis Kompatsiaris
2020	—	`conf`	Weverify: Wider and Enhanced Verification for You Project Overview and Tools. ICME Workshops Zlatina Marinova, Jochen Spangenberg, Denis Teyssou, Symeon Papadopoulos, Nikos Sarris, Alexandre Alaphilippe, Kalina Bontcheva
2020	—	`conf`	i-CHANGE: A Platform for Managing Dockless Bike Sharing Systems. ICCSA (2) Lazaros Apostolidis, Symeon Papadopoulos, Maria Liatsikou, Ioannis Fyrogenis, Efthymis Papadopoulos, George Keikoglou, Konstantinos Alexiou, Nasos Chondros, Ioannis Kompatsiaris, Ioannis Politis
2019	J	`jnl`	A corpus of debunked and verified user-generated videos. Online Inf. Rev. Olga Papadopoulou, Markos Zampoglou, Symeon Papadopoulos, Ioannis Kompatsiaris
2019	—	`conf`	Brenda Starr at SemEval-2019 Task 4: Hyperpartisan News Detection. SemEval@NAACL-HLT Olga Papadopoulou, Giorgos Kordopatis-Zilos, Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris
2019	—	`conf`	Data-Driven Song Recognition Estimation Using Collective Memory Dynamics Models. ISMIR Christos Koutlis, Manos Schinas, Vasiliki Gkatziaki, Symeon Papadopoulos, Yiannis Kompatsiaris
2019	—	`ch.`	Detecting Manipulations in Video. Video Verification in the Fake News Era Grégoire Mercier, Foteini Markatopoulou, Roger Cozien, Markos Zampoglou, Evlampios Apostolidis, Alexandros I. Metsai, Symeon Papadopoulos, Vasileios Mezaris, Ioannis Patras, Ioannis Kompatsiaris
2019	—	`conf`	Detecting Tampered Videos with Multimedia Forensics and Deep Learning. MMM (1) Markos Zampoglou, Foteini Markatopoulou, Grégoire Mercier, Despoina Touska, Evlampios Apostolidis, Symeon Papadopoulos, Roger Cozien, Ioannis Patras, Vasileios Mezaris, Ioannis Kompatsiaris
2019	J	`jnl`	FIVR: Fine-Grained Incident Video Retrieval. IEEE Trans. Multim. Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Ioannis Kompatsiaris
2019	—	`ch.`	Finding Near-Duplicate Videos in Large-Scale Collections. Video Verification in the Fake News Era Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Ioannis Kompatsiaris
2019	—	`ch.`	Finding Semantically Related Videos in Closed Collections. Video Verification in the Fake News Era Foteini Markatopoulou, Markos Zampoglou, Evlampios Apostolidis, Symeon Papadopoulos, Vasileios Mezaris, Ioannis Patras, Ioannis Kompatsiaris
2019	—	`conf`	LinkAUC: Unsupervised Evaluation of Multiple Network Node Ranks Using Link Prediction. COMPLEX NETWORKS (1) Emmanouil Krasanakis, Symeon Papadopoulos, Yiannis Kompatsiaris
2019	—	`conf`	Social media monitoring tools for air quality accounts. WI (Companion) Polychronis Charitidis, Symeon Papadopoulos, Lazaros Apostolidis, Ioannis Kompatsiaris
2019	—	`ch.`	Verification of Web Videos Through Analysis of Their Online Context. Video Verification in the Fake News Era Olga Papadopoulou, Markos Zampoglou, Symeon Papadopoulos, Ioannis Kompatsiaris
2019	A*	`conf`	ViSiL: Fine-Grained Spatio-Temporal Video Similarity Learning. ICCV Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Yiannis Kompatsiaris
2019	J	`jnl`	ViSiL: Fine-grained Spatio-Temporal Video Similarity Learning. CoRR Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Ioannis Kompatsiaris
2019	—	`book`	Video Verification in the Fake News Era. Vasileios Mezaris, Lyndon J. B. Nixon, Symeon Papadopoulos, Denis Teyssou
2019	—	`conf`	WeVerify: Wider and Enhanced Verification for You - Project Overview and Tool Demonstration. TTO Zlatina Marinova, Denis Teyssou, Nikos Sarris, Jochen Spangenberg, Symeon Papadopoulos, Alexandre Alaphilippe, Kalina Bontcheva
2018	A*	`conf`	Adaptive Sensitive Reweighting to Mitigate Bias in Fairness-aware Classification. WWW Emmanouil Krasanakis, Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Yiannis Kompatsiaris
2018	J	`jnl`	Building and evaluating resources for sentiment analysis in the Greek language. Lang. Resour. Evaluation Adam Tsakalidis, Symeon Papadopoulos, Rania Voskaki, Kyriaki Ioannidou, Christina Boididou, Alexandra I. Cristea, Maria Liakata, Yiannis Kompatsiaris
2018	—	`ch.`	Collective Intelligence: Overview. Encyclopedia of Social Network Analysis and Mining. 2nd Ed. Ioannis Kompatsiaris, Sotiris Diplaris, Symeon Papadopoulos
2018	J	`jnl`	Content-aware detection of JPEG grid inconsistencies for intuitive image forensics. J. Vis. Commun. Image Represent. Chryssanthi Iakovidou, Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris
2018	J	`jnl`	Detection and visualization of misleading content on Twitter. Int. J. Multim. Inf. Retr. Christina Boididou, Symeon Papadopoulos, Markos Zampoglou, Lazaros Apostolidis, Olga Papadopoulou, Yiannis Kompatsiaris
2018	J	`jnl`	Event Detection and Retrieval on Social Media. CoRR Manos Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris, Pericles A. Mitkas
2018	J	`jnl`	FIVR: Fine-grained Incident Video Retrieval. CoRR Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Ioannis Kompatsiaris
2018	J	`jnl`	Location Extraction from Social Media: Geoparsing, Location Disambiguation, and Geotagging. ACM Trans. Inf. Syst. Stuart E. Middleton, Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Yiannis Kompatsiaris
2018	J	`jnl`	Social Computing for Verifying Social Media Content in Breaking News. IEEE Internet Comput. Stuart E. Middleton, Symeon Papadopoulos, Yiannis Kompatsiaris
2018	—	`ch.`	Towards Improved Air Quality Monitoring Using Publicly Available Sky Images. Multimedia Tools and Applications for Environmental & Biodiversity Informatics Eleftherios Spyromitros Xioufis, Anastasia Moumtzidou, Symeon Papadopoulos, Stefanos Vrochidis, Yiannis Kompatsiaris, Aristeidis K. Georgoulias, Georgia Alexandri, Konstantinos Kourtidis
2018	—	`conf`	Twitter-Based Sensing of City-Level Air Quality. IVMSP Polychronis Charitidis, Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Yiannis Kompatsiaris
2018	—	`conf`	VenueRank: Identifying Venues that Contribute to Artist Popularity. ISMIR Emmanouil Krasanakis, Emmanouil Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris, Pericles A. Mitkas
2018	J	`jnl`	Verifying information with multimedia content on twitter - A comparative study of automated approaches. Multim. Tools Appl. Christina Boididou, Stuart E. Middleton, Zhiwei Jin, Symeon Papadopoulos, Duc-Tien Dang-Nguyen, Giulia Boato, Yiannis Kompatsiaris
2018	J	`jnl`	easIE: Easy-to-Use Information Extraction for Constructing CSR Databases From the Web. ACM Trans. Internet Techn. Vasiliki Gkatziaki, Symeon Papadopoulos, Richard A. Mills, Sotiris Diplaris, Ioannis Tsampoulatidis, Ioannis Kompatsiaris
2018	J	`jnl`	hackAIR: Towards Raising Awareness about Air Quality in Europe by Developing a Collective Online Platform. ISPRS Int. J. Geo Inf. Evangelos Kosmidis, Panagiota Syropoulou, Stavros Tekes, Philipp Schneider, Eleftherios Spyromitros Xioufis, Marina Riga, Polychronis Charitidis, Anastasia Moumtzidou, Symeon Papadopoulos, Stefanos Vrochidis, Ioannis Kompatsiaris, Ilias Stavrakas, George Hloupis, Andronikos Loukidis, Konstantinos Kourtidis, Aristeidis K. Georgoulias, Georgia Alexandri
2017	—	`conf`	A Monitoring Tool for Terrorism-Related Key-Players and Key-Communities in Social Media Networks. EISIC Stelios Andreadis, Ilias Gialampoukidis, George Kalpakis, Theodora Tsikrika, Symeon Papadopoulos, Stefanos Vrochidis, Ioannis Kompatsiaris
2017	J	`jnl`	A Two-Level Classification Approach for Detecting Clickbait Posts using Text-Based Features. CoRR Olga Papadopoulou, Markos Zampoglou, Symeon Papadopoulos, Ioannis Kompatsiaris
2017	—	`conf`	A Web-Based Service for Disturbing Image Detection. MMM (2) Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris, Jochen Spangenberg
2017	—	`conf`	Detection of Terrorism-related Twitter Communities using Centrality Scores. MFSec@ICMR Ilias Gialampoukidis, George Kalpakis, Theodora Tsikrika, Symeon Papadopoulos, Stefanos Vrochidis, Ioannis Kompatsiaris
2017	J	`jnl`	Exploring Twitter communication dynamics with evolving community analysis. PeerJ Comput. Sci. Konstantinos Konstantinidis, Symeon Papadopoulos, Yiannis Kompatsiaris
2017	J	`jnl`	Geotagging Text Content With Language Models and Feature Mining. Proc. IEEE Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Kompatsiaris
2017	J	`jnl`	Graph-based multimodal clustering for social multimedia. Multim. Tools Appl. Georgios Petkos, Manos Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris
2017	—	`conf`	Large-Scale Open Corporate Data Collection and Analysis as an Enabler of Corporate Social Responsibility Research. INSCI Vasiliki Gkatziaki, Symeon Papadopoulos, Sotiris Diplaris, Ioannis Kompatsiaris
2017	J	`jnl`	Large-scale evaluation of splicing localization algorithms for web images. Multim. Tools Appl. Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris
2017	B	`conf`	Learning to Detect Misleading Content on Twitter. ICMR Christina Boididou, Symeon Papadopoulos, Lazaros Apostolidis, Yiannis Kompatsiaris
2017	A*	`conf`	MuVer'17: First International Workshop on Multimedia Verification. ACM Multimedia Vasileios Mezaris, Lyndon J. B. Nixon, Symeon Papadopoulos, Jochen Spangenberg
2017	—	`conf`	Near-Duplicate Video Retrieval by Aggregating Intermediate CNN Layers. MMM (1) Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Yiannis Kompatsiaris
2017	—	`conf`	Near-Duplicate Video Retrieval with Deep Metric Learning. ICCV Workshops Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Yiannis Kompatsiaris
2017	—	`conf`	Open-Source Monitoring, Search and Analytics Over Social Media. INSCI Manos Schinas, Symeon Papadopoulos, Lazaros Apostolidis, Yiannis Kompatsiaris, Pericles A. Mitkas
2017	—	`ed.`	Proceedings of the First International Workshop on Multimedia Verification, MuVer@MM 2017, Mountain View, CA, USA, October 27, 2017 MuVer@MM Vasileios Mezaris, Lyndon J. B. Nixon, Symeon Papadopoulos, Jochen Spangenberg
2017	—	`conf`	TOTEMSS: Topic-based, Temporal Sentiment Summarisation for Twitter. IJCNLP (System Demonstrations) Bo Wang, Maria Liakata, Adam Tsakalidis, Spiros Georgakopoulos Kolaitis, Symeon Papadopoulos, Lazaros Apostolidis, Arkaitz Zubiaga, Rob Procter, Yiannis Kompatsiaris
2017	—	`conf`	The InVID Plug-in: Web Video Verification on the Browser. MuVer@MM Denis Teyssou, Jean-Michel Leung, Evlampios Apostolidis, Konstantinos Apostolidis, Symeon Papadopoulos, Markos Zampoglou, Olga Papadopoulou, Vasileios Mezaris
2017	—	`conf`	The STEP Project: Societal and Political Engagement of Young People in Environmental Issues. INSCI Maria Vogiatzi, Christodoulos Keratidis, Manos Schinas, Sotiris Diplaris, Serdar Yümlü, Paula Forbes, Symeon Papadopoulos, Panagiota Syropoulou, Lazaros Apostolidis, Ioannis Kompatsiaris, Machi Symeonidou
2017	—	`conf`	Tunable Plug-In Rules with Reduced Posterior Certainty Loss in Imbalanced Datasets. LIDTA@PKDD/ECML Emmanouil Krasanakis, Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Yiannis Kompatsiaris
2017	—	`conf`	Web Video Verification using Contextual Cues. MFSec@ICMR Olga Papadopoulou, Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris
2016	—	`conf`	A Physical Metaphor to Study Semantic Drift. SEMANTiCS (Posters, Demos, SuCCESS) Sándor Darányi, Peter Wittek, Konstantinos Konstantinidis, Symeon Papadopoulos, Efstratios Kontopoulos
2016	J	`jnl`	A Physical Metaphor to Study Semantic Drift. CoRR Sándor Darányi, Peter Wittek, Konstantinos Konstantinidis, Symeon Papadopoulos, Efstratios Kontopoulos
2016	—	`ed.`	Collective Online Platforms for Financial and Environmental Awareness - First International Workshop on the Internet for Financial Collective Awareness and Intelligence, IFIN 2016 and First International Workshop on Internet and Social Media for Environmental Monitoring, ISEM 2016, Florence, Italy, September 12, 2016, Revised Selected Papers IFIN/ISEM@INSCI Anna Satsiou, Georgios Panos, Ioannis Praggidis, Stefanos Vrochidis, Symeon Papadopoulos, Christodoulos Keratidis, Panagiota Syropoulou, Hai-Ying Liu
2016	—	`conf`	In-depth Exploration of Geotagging Performance using Sampling Strategies on YFCC100M. MMCommons @ ACM Multimedia Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Yiannis Kompatsiaris
2016	J	`jnl`	MGraph: multimodal event summarization in social media using topic models and graph-based ranking. Int. J. Multim. Inf. Retr. Manos Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris, Pericles A. Mitkas
2016	B	`conf`	Message from the HCSC Organizing Committee. COMPSAC Yuhong Liu, Symeon Papadopoulos, Rene Kaiser, Moushumi Sharmin
2016	A*	`conf`	Multimedia Privacy. ACM Multimedia Gerald Friedland, Symeon Papadopoulos, Julia Bernd, Yiannis Kompatsiaris
2016	B	`conf`	Multimodal Event Detection and Summarization in Large Scale Image Collections. ICMR Manos Schinas, Symeon Papadopoulos, Georgios Petkos, Yiannis Kompatsiaris, Pericles A. Mitkas
2016	J	`jnl`	Overview of the Special Issue on Trust and Veracity of Information in Social Media. ACM Trans. Inf. Syst. Symeon Papadopoulos, Kalina Bontcheva, Eva Jaho, Mihai Lupu, Carlos Castillo
2016	—	`conf`	Perceived Versus Actual Predictability of Personal Information in Social Networks. INSCI Eleftherios Spyromitros Xioufis, Georgios Petkos, Symeon Papadopoulos, Rob Heyman, Yiannis Kompatsiaris
2016	B	`conf`	Personalized Privacy-aware Image Classification. ICMR Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Adrian Popescu, Yiannis Kompatsiaris
2016	—	`conf`	Placing Images with Refined Language Models and Similarity Search with PCA-reduced VGG Features. MediaEval Giorgos Kordopatis-Zilos, Adrian Popescu, Symeon Papadopoulos, Yiannis Kompatsiaris
2016	—	`conf`	Predicting News Popularity by Mining Online Discussions. WWW (Companion Volume) Georgios Rizos, Symeon Papadopoulos, Yiannis Kompatsiaris
2016	—	`conf`	The VMU Participation @ Verifying Multimedia Use 2016. MediaEval Christina Boididou, Symeon Papadopoulos, Stuart E. Middleton, Duc-Tien Dang-Nguyen, Michael Riegler, Andreas Petlund, Yiannis Kompatsiaris
2016	—	`conf`	Towards Air Quality Estimation Using Collected Multimodal Environmental Data. IFIN/ISEM@INSCI Anastasia Moumtzidou, Symeon Papadopoulos, Stefanos Vrochidis, Ioannis Kompatsiaris, Konstantinos Kourtidis, George Hloupis, Ilias Stavrakas, Konstantina Papachristopoulou, Christodoulos Keratidis
2016	J	`jnl`	Towards Air Quality Estimation Using Collected Multimodal Environmental Data. CoRR Anastasia Moumtzidou, Symeon Papadopoulos, Stefanos Vrochidis, Ioannis Kompatsiaris, Konstantinos Kourtidis, George Hloupis, Ilias Stavrakas, Konstantina Papachristopoulou, Christodoulos Keratidis
2016	—	`conf`	Verifying Multimedia Use at MediaEval 2016. MediaEval Christina Boididou, Symeon Papadopoulos, Duc-Tien Dang-Nguyen, Giulia Boato, Michael Riegler, Stuart E. Middleton, Andreas Petlund, Yiannis Kompatsiaris
2016	—	`conf`	Web and Social Media Image Forensics for News Professionals. SMN@ICWSM Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris, Ruben Bouwmeester, Jochen Spangenberg
2016	—	`conf`	WikiRate.org - Leveraging Collective Awareness to Understand Companies' Environmental, Social and Governance Performance. INSCI Richard A. Mills, Stefano De Paoli, Sotiris Diplaris, Vasiliki Gkatziaki, Symeon Papadopoulos, Srivigneshwar R. Prasad, Ethan McCutchen, Vishal Kapadia, Philipp Hirche
2015	J	`jnl`	10th European Summer School in Information Retrieval (ESSIR 2015). SIGIR Forum Theodora Tsikrika, Symeon Papadopoulos, Stefanos Vrochidis, Yiannis Kompatsiaris
2015	—	`conf`	A Unified Model for Socially Interconnected Multimedia-Enriched Objects. MMM (1) Theodora Tsikrika, Katerina Andreadou, Anastasia Moumtzidou, Emmanouil Schinas, Symeon Papadopoulos, Stefanos Vrochidis, Ioannis Kompatsiaris
2015	—	`conf`	Assessing the Reliability of Facebook User Profiling. WWW (Companion Volume) Thomas Theodoridis, Symeon Papadopoulos, Yiannis Kompatsiaris
2015	—	`conf`	CERTH/CEA LIST at MediaEval Placing Task 2015. MediaEval Giorgos Kordopatis-Zilos, Adrian Popescu, Symeon Papadopoulos, Yiannis Kompatsiaris
2015	—	`conf`	Detecting image splicing in the wild (WEB). ICME Workshops Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris
2015	—	`conf`	Geotagging Social Media Content with a Refined Language Modelling Approach. PAISI Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Yiannis Kompatsiaris
2015	B	`conf`	Improving Diversity in Image Search via Supervised Relevance Scoring. ICMR Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Alexandru-Lucian Gînsca, Adrian Popescu, Yiannis Kompatsiaris, Ioannis P. Vlahavas
2015	—	`conf`	Increasing Transparency and Privacy for Online Social Network Users - USEMP Value Model, Scoring Framework and Legal. APF Adrian Popescu, Mireille Hildebrandt, Jonas Breuer, Laurence Claeys, Symeon Papadopoulos, Georgios Petkos, Theodoros Michalareas, David Lund, Rob Heyman, Shenja van der Graaf, Etienne Gadeski, Hervé Le Borgne, K. deVries, Timotheos Kastrinogiannis, Apostolos Kousaridas, Ali Padyab
2015	J	`jnl`	Learning to detect concepts with Approximate Laplacian Eigenmaps in large-scale and online settings. Int. J. Multim. Inf. Retr. Eleni Mantziou, Symeon Papadopoulos, Yiannis Kompatsiaris
2015	—	`conf`	Media REVEALr: A Social Multimedia Monitoring and Intelligence System for Web Multimedia Verification. PAISI Katerina Andreadou, Symeon Papadopoulos, Lazaros Apostolidis, Anastasia Krithara, Yiannis Kompatsiaris
2015	A*	`conf`	Multimodal Graph-based Event Detection and Summarization in Social Media Streams. ACM Multimedia Manos Schinas, Symeon Papadopoulos, Georgios Petkos, Yiannis Kompatsiaris, Pericles A. Mitkas
2015	C	`conf`	News-oriented multimedia search over multiple social networks. CBMI Katerina Iliakopoulou, Symeon Papadopoulos, Yiannis Kompatsiaris
2015	B	`conf`	PScore: A Framework for Enhancing Privacy Awareness in Online Social Networks. ARES Georgios Petkos, Symeon Papadopoulos, Yiannis Kompatsiaris
2015	J	`jnl`	Predicting Elections for Multiple Countries Using Twitter and Polls. IEEE Intell. Syst. Adam Tsakalidis, Symeon Papadopoulos, Alexandra I. Cristea, Yiannis Kompatsiaris
2015	B	`conf`	Social Circle Discovery in Ego-Networks by Mining the Latent Structure of User Connections and Profile Attributes. ASONAM Georgios Petkos, Symeon Papadopoulos, Yiannis Kompatsiaris
2015	J	`jnl`	Social Multimedia and Storytelling [Guest editors' introduction]. IEEE Multim. Symeon Papadopoulos, Pablo César, David A. Shamma, Aisling Kelliher, Ramesh C. Jain
2015	—	`conf`	The CERTH-UNITN Participation @ Verifying Multimedia Use 2015. MediaEval Christina Boididou, Symeon Papadopoulos, Duc-Tien Dang-Nguyen, Giulia Boato, Yiannis Kompatsiaris
2015	—	`conf`	Toward an Automatic Evaluation of Retrieval Performance with Large Scale Image Collections. MMCommons@ACM Multimedia Adrian Popescu, Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Hervé Le Borgne, Ioannis Kompatsiaris
2015	—	`conf`	USEMP: Finding Diverse Images at MediaEval 2015. MediaEval Eleftherios Spyromitros Xioufis, Adrian Popescu, Symeon Papadopoulos, Ioannis Kompatsiaris
2015	—	`conf`	Verifying Multimedia Use at MediaEval 2015. MediaEval Christina Boididou, Katerina Andreadou, Symeon Papadopoulos, Duc-Tien Dang-Nguyen, Giulia Boato, Michael Riegler, Yiannis Kompatsiaris
2015	B	`conf`	Visual Event Summarization on Social Media using Topic Modelling and Graph-based Ranking Algorithms. ICMR Manos Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris, Pericles A. Mitkas
2015	C	`conf`	Web image size prediction for efficient focused image crawling. CBMI Katerina Andreadou, Symeon Papadopoulos, Yiannis Kompatsiaris
2015	—	`ed.`	Working Notes Proceedings of the MediaEval 2015 Workshop, Wurzen, Germany, September 14-15, 2015. MediaEval Martha A. Larson, Bogdan Ionescu, Mats Sjöberg, Xavier Anguera, Johann Poignant, Michael Riegler, Maria Eskevich, Claudia Hauff, Richard F. E. Sutcliffe, Gareth J. F. Jones, Yi-Hsuan Yang, Mohammad Soleymani, Symeon Papadopoulos
2014	J	`jnl`	A Comprehensive Study Over VLAD and Product Quantization in Large-Scale Image Retrieval. IEEE Trans. Multim. Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Yiannis Kompatsiaris, Grigorios Tsoumakas, Ioannis P. Vlahavas
2014	—	`conf`	A soft frequent pattern mining approach for textual topic detection. WIMS Georgios Petkos, Symeon Papadopoulos, Luca Maria Aiello, Ryan Skraba, Yiannis Kompatsiaris
2014	—	`conf`	An Ensemble Model for Cross-Domain Polarity Classification on Twitter. WISE (2) Adam Tsakalidis, Symeon Papadopoulos, Ioannis Kompatsiaris
2014	—	`conf`	Benchmarking Graph Databases on the Problem of Community Detection. ADBIS (2) Sotirios Beis, Symeon Papadopoulos, Yiannis Kompatsiaris
2014	—	`conf`	CERTH @ MediaEval 2014 Social Event Detection Task. MediaEval Marina Riga, Georgios Petkos, Symeon Papadopoulos, Manos Schinas, Yiannis Kompatsiaris
2014	—	`conf`	Challenges of computational verification in social multimedia. WWW (Companion Volume) Christina Boididou, Symeon Papadopoulos, Yiannis Kompatsiaris, Steve Schifferes, Nic Newman
2014	J	`jnl`	Collaborative event annotation in tagged photo collections. Multim. Tools Appl. Christos Zigkolis, Symeon Papadopoulos, George Filippou, Yiannis Kompatsiaris, Athena Vakali
2014	—	`ch.`	Collective Intelligence, Overview. Encyclopedia of Social Network Analysis and Mining Yiannis Kompatsiaris, Sotiris Diplaris, Symeon Papadopoulos
2014	—	`conf`	Graph-Based Multimodal Clustering for Social Event Detection in Large Collections of Images. MMM (1) Georgios Petkos, Symeon Papadopoulos, Emmanouil Schinas, Yiannis Kompatsiaris
2014	—	`ed.`	Proceedings of the 1st International Workshop on Social Multimedia and Storytelling co-located with ACM International Conference on Multimedia Retrieval (ICMR 2014), Glasgow, Scotland, UK, April 1, 2014. SoMuS@ICMR Symeon Papadopoulos, Pablo César, David A. Shamma, Aisling Kelliher, Ramesh C. Jain
2014	—	`ed.`	Proceedings of the SNOW 2014 Data Challenge co-located with 23rd International World Wide Web Conference (WWW 2014), Seoul, Korea, April 8, 2014. SNOW-DC@WWW Symeon Papadopoulos, David P. A. Corney, Luca Maria Aiello
2014	A	`conf`	ReSEED: social event dEtection dataset. MMSys Timo Reuter, Symeon Papadopoulos, Vasileios Mezaris, Philipp Cimiano
2014	—	`conf`	SNOW 2014 Data Challenge: Assessing the Performance of News Topic Detection Methods in Social Media. SNOW-DC@WWW Symeon Papadopoulos, David P. A. Corney, Luca Maria Aiello
2014	—	`conf`	Social Data and Multimedia Analytics for News and Events Applications. EDBT/ICDT Workshops Ioannis Kompatsiaris, Sotiris Diplaris, Symeon Papadopoulos
2014	—	`conf`	Social Event Detection at MediaEval 2014: Challenges, Datasets, and Evaluation. MediaEval Georgios Petkos, Symeon Papadopoulos, Vasileios Mezaris, Yiannis Kompatsiaris
2014	J	`jnl`	Social Multimedia Crawling for Mining and Search. Computer Symeon Papadopoulos, Yiannis Kompatsiaris
2014	—	`conf`	SocialSensor at MediaEval Placing Task 2014. MediaEval Giorgos Kordopatis-Zilos, Giorgos Orfanidis, Symeon Papadopoulos, Yiannis Kompatsiaris
2014	—	`conf`	SocialSensor: Finding Diverse Images at MediaEval 2014. MediaEval Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Yiannis Kompatsiaris, Ioannis P. Vlahavas
2014	—	`conf`	StreamGrid: Summarization of Large Scale Events using Topic Modelling and Temporal Analysis. SoMuS@ICMR Manos Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris, Pericles A. Mitkas
2014	—	`conf`	Two-level Message Clustering for Topic Detection in Twitter. SNOW-DC@WWW Georgios Petkos, Symeon Papadopoulos, Yiannis Kompatsiaris
2014	—	`conf`	USEMP at MediaEval Placing Task 2014. MediaEval Adrian Popescu, Symeon Papadopoulos, Ioannis Kompatsiaris
2013	—	`conf`	CERTH @ MediaEval 2013 Social Event Detection Task. MediaEval Manos Schinas, Eleni Mantziou, Symeon Papadopoulos, Georgios Petkos, Yiannis Kompatsiaris
2013	—	`conf`	CERTH at MediaEval Placing Task 2013. MediaEval Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Eleftherios Spyromitros Xioufis, Andreas L. Symeonidis, Yiannis Kompatsiaris
2013	—	`conf`	Community structure and evolution analysis of OSN interactions around real-world social phenomena. Panhellenic Conference on Informatics Konstantinos Konstantinidis, Symeon Papadopoulos, Yiannis Kompatsiaris
2013	C	`conf`	Compact and Distinctive Visual Vocabularies for Efficient Multimedia Data Indexing. ADBIS Dimitrios Kastrinakis, Symeon Papadopoulos, Athena Vakali
2013	—	`conf`	EventSense: capturing the pulse of large-scale events by mining social media streams. Panhellenic Conference on Informatics Emmanouil Schinas, Symeon Papadopoulos, Sotiris Diplaris, Yiannis Kompatsiaris, Yosi Mass, Jonathan Herzig, Lazaros Boudakidis
2013	—	`conf`	Large-scale semi-supervised learning by Approximate Laplacian Eigenmaps, VLAD and pyramids. WIAMIS Eleni Mantziou, Symeon Papadopoulos, Yiannis Kompatsiaris
2013	—	`conf`	Reality mining in urban space. IISA Spiros Nikolopoulos, Symeon Papadopoulos, Yiannis Kompatsiaris
2013	A*	`conf`	Scalable training with approximate incremental laplacian eigenmaps and PCA. ACM Multimedia Eleni Mantziou, Symeon Papadopoulos, Yiannis Kompatsiaris
2013	—	`conf`	Semi-supervised Concept Detection by Learning the Structure of Similarity Graphs. MMM (1) Symeon Papadopoulos, Christos Sagonas, Ioannis Kompatsiaris, Athena Vakali
2013	J	`jnl`	Sensing Trending Topics in Twitter. IEEE Trans. Multim. Luca Maria Aiello, Georgios Petkos, Carlos J. Martín, David P. A. Corney, Symeon Papadopoulos, Ryan Skraba, Ayse Göker, Ioannis Kompatsiaris, Alejandro Jaimes
2013	—	`conf`	Social Event Detection at MediaEval 2013: Challenges, Datasets, and Evaluation. MediaEval Timo Reuter, Symeon Papadopoulos, Georgios Petkos, Vasileios Mezaris, Yiannis Kompatsiaris, Philipp Cimiano, Christopher M. De Vries, Shlomo Geva
2013	—	`conf`	SocialSensor: Finding Diverse Images at MediaEval 2013. MediaEval David P. A. Corney, Carlos J. Martín, Ayse Göker, Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Yiannis Kompatsiaris, Luca Maria Aiello, Bart Thomee
2013	A	`conf`	The 2012 social event detection dataset. MMSys Symeon Papadopoulos, Emmanouil Schinas, Vasileios Mezaris, Raphaël Troncy, Ioannis Kompatsiaris
2012	—	`conf`	"Making sense of it all": an attempt to aid journalists in analysing and filtering user generated content. WWW (Companion Volume) Sotiris Diplaris, Symeon Papadopoulos, Ioannis Kompatsiaris, Nicolaus Heise, Jochen Spangenberg, Nic Newman, Hakim Hacid
2012	—	`conf`	An empirical study on the combination of surf features with VLAD vectors for image search. WIAMIS Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Ioannis Kompatsiaris, Grigorios Tsoumakas, Ioannis P. Vlahavas
2012	—	`conf`	CERTH @ MediaEval 2012 Social Event Detection Task. MediaEval Emmanouil Schinas, Georgios Petkos, Symeon Papadopoulos, Yiannis Kompatsiaris
2012	—	`conf`	CERTH's Participation at the Photo Annotation Task of ImageCLEF 2012. CLEF (Online Working Notes/Labs/Workshop) Eleni Mantziou, Georgios Petkos, Symeon Papadopoulos, Christos Sagonas, Yiannis Kompatsiaris
2012	B	`conf`	Cluster-based photo browsing and tagging on the go. ICMR Symeon Papadopoulos, Juxhin Bakalli, Yiannis Kompatsiaris, Emmanouil Schinas
2012	J	`jnl`	Community detection in Social Media - Performance and application considerations. Data Min. Knowl. Discov. Symeon Papadopoulos, Yiannis Kompatsiaris, Athena Vakali, Ploutarchos Spyridonos
2012	—	`conf`	Social Event Detection at MediaEval 2012: Challenges, Dataset and Evaluation. MediaEval Symeon Papadopoulos, Emmanouil Schinas, Vasileios Mezaris, Raphaël Troncy, Ioannis Kompatsiaris
2012	B	`conf`	Social event detection using multimodal clustering and integrating supervisory signals. ICMR Georgios Petkos, Symeon Papadopoulos, Yiannis Kompatsiaris
2012	—	`conf`	SocialSensor: sensing user generated input for improved media discovery and experience. WWW (Companion Volume) Sotiris Diplaris, Symeon Papadopoulos, Ioannis Kompatsiaris, Ayse Göker, Andrew MacFarlane, Jochen Spangenberg, Hakim Hacid, Linas Maknavicius, Matthias Klusch
2012	—	`—`	Μέθοδοι εξόρυξης γνώσης σε συλλογές περιεχομένου μεγάλης κλίμακας από κοινωνικά δίκτυα Symeon Papadopoulos
2011	—	`conf`	A comparative study of spatial, temporal and content-based patterns emerging in YouTube and Flickr. CASoN Milan Mirkovic, Dubravko Culibrk, Symeon Papadopoulos, Christos Zigkolis, Yiannis Kompatsiaris, Gavin McArdle, Vladimir S. Crnojevic
2011	—	`conf`	CERTH @ MediaEval 2011 Social Event Detection Task. MediaEval Symeon Papadopoulos, Christos Zigkolis, Yiannis Kompatsiaris, Athena Vakali
2011	B	`conf`	City exploration by use of spatio-temporal analysis and clustering of user contributed photos. ICMR Symeon Papadopoulos, Christos Zigkolis, Stefanos Kapiris, Yiannis Kompatsiaris, Athena Vakali
2011	J	`jnl`	Cluster-Based Landmark and Event Detection for Tagged Photo Collections. IEEE Multim. Symeon Papadopoulos, Christos Zigkolis, Yiannis Kompatsiaris, Athena Vakali
2011	—	`ch.`	Community Detection in Collaborative Tagging Systems. Community-Built Databases Symeon Papadopoulos, Athena Vakali, Yiannis Kompatsiaris
2011	C	`conf`	Detecting the long-tail of Points of Interest in tagged photo collections. CBMI Christos Zigkolis, Symeon Papadopoulos, Yiannis Kompatsiaris, Athena Vakali
2011	—	`ch.`	Emerging, Collective Intelligence for Personal, Organisational and Social Use. Next Generation Data Technologies for Collective Computational Intelligence Sotiris Diplaris, Andreas C. Sonnenbichler, Tomasz Kaczanowski, Phivos Mylonas, Ansgar Scherp, Maciej Janik, Symeon Papadopoulos, Michael Ovelgönne, Yiannis Kompatsiaris
2011	—	`conf`	Extracting Emergent Semantics from Large-Scale User-Generated Content. ICT Innovations Ioannis Kompatsiaris, Sotiris Diplaris, Symeon Papadopoulos
2011	—	`ch.`	Leveraging Massive User Contributions for Knowledge Extraction. Next Generation Data Technologies for Collective Computational Intelligence Spiros Nikolopoulos, Elisavet Chatzilari, Eirini Giannakidou, Symeon Papadopoulos, Ioannis Kompatsiaris, Athena Vakali
2011	—	`ch.`	Massive Graph Management for the Web and Web 2.0. New Directions in Web Data Management 1 Maria Giatsoglou, Symeon Papadopoulos, Athena Vakali
2011	C	`conf`	Semi-supervised object recognition using flickr images. CBMI Elisavet Chatzilari, Spiros Nikolopoulos, Symeon Papadopoulos, Christos Zigkolis, Yiannis Kompatsiaris
2011	—	`conf`	Social Event Detection at MediaEval 2011: Challenges, dataset and evaluation. MediaEval Symeon Papadopoulos, Raphaël Troncy, Vasileios Mezaris, Benoit Huet, Ioannis Kompatsiaris
2010	B	`conf`	A Graph-Based Clustering Scheme for Identifying Related Tags in Folksonomies. DaWak Symeon Papadopoulos, Yiannis Kompatsiaris, Athena Vakali
2010	A*	`conf`	ClustTour: city exploration by use of hybrid photo clustering. ACM Multimedia Symeon Papadopoulos, Christos Zigkolis, Stefanos Kapiris, Yiannis Kompatsiaris, Athena Vakali
2010	B	`conf`	Image clustering through community detection on hybrid image similarity graphs. ICIP Symeon Papadopoulos, Christos Zigkolis, Giorgos Tolias, Yannis Kalantidis, Phivos Mylonas, Yiannis Kompatsiaris, Athena Vakali
2010	J	`jnl`	The Dynamics of Content Popularity in Social Media. Int. J. Data Warehous. Min. Symeon Papadopoulos, Athena Vakali, Ioannis Kompatsiaris
2010	—	`conf`	Using event representation and semantic enrichment for managing and reviewing emergency incident logs. EIMM@MM Symeon Papadopoulos, Ansgar Scherp, Neil Ireson, Ioannis Tsampoulatidis, Yiannis Kompatsiaris
2009	A	`conf`	Lexical Graphs for Improved Contextual Ad Recommendation. ECIR Symeon Papadopoulos, Fotis Menemenis, Yiannis Kompatsiaris, Ben Bratu
2008	B	`conf`	AQUAM: automatic query formulation architecture for mobile applications. MUM Fotis Menemenis, Symeon Papadopoulos, Ben Bratu, Simon Waddington, Yiannis Kompatsiaris
2008	—	`conf`	Integration of Semantic, Metadata and Image Search Engines with a Text Search Engine for Patent Retrieval. SemSearch Joan Codina, Emanuele Pianta, Stefanos Vrochidis, Symeon Papadopoulos
2007	C	`conf`	A Modular Framework for Ontology-based Representation of Patent Information. JURIX Mark Giereth, Steffen Koch, Yiannis Kompatsiaris, Symeon Papadopoulos, Emanuele Pianta, Luciano Serafini, Leo Wanner