Ioannis Arapakis

105 papers A* 15A 13B 9Misc 2Journal 54Unranked 11

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Benchmarking Multimodal Large Language Models for Missing Modality Completion in Product Catalogues. CoRR Junchen Fu, Wenhao Deng, Kaiwen Zheng, Ioannis Arapakis, Yu Ye, Yongxin Ni, Joemon M. Jose, Xuri Ge
2026	J	`jnl`	Differentiable Semantic ID for Generative Recommendation. CoRR Junchen Fu, Xuri Ge, Alexandros Karatzoglou, Ioannis Arapakis, Suzan Verberne, Joemon M. Jose, Zhaochun Ren
2026	J	`jnl`	Dual-Graph Multi-Agent Reinforcement Learning for Handover Optimization. CoRR Matteo Salvatori, Filippo Vannella, Sebastian Macaluso, Stylianos E. Trevlakis, Carlos Segura Perales, José Suárez-Varela, Alexandros-Apostolos A. Boulogeorgos, Ioannis Arapakis
2026	J	`jnl`	Quantum Computing for Large-Scale Network Optimization: Opportunities and Challenges. IEEE Commun. Mag. Sebastian Macaluso, Giovanni Geraci, Elías F. Combarro, Sergi Abadal, Ioannis Arapakis, Sofia Vallecorsa, Eduard Alarcón
2025	B	`conf`	A Comparative Study of Scanpath Models in Graph-Based Visualization. ETRA Ángela López-Cardona, Parvin Emami, Sebastian Idesis, Saravanakumar Duraisamy, Luis A. Leiva, Ioannis Arapakis
2025	J	`jnl`	A Comparative Study of Scanpath Models in Graph-Based Visualization. CoRR Ángela López-Cardona, Parvin Emami, Sebastian Idesis, Saravanakumar Duraisamy, Luis A. Leiva, Ioannis Arapakis
2025	A*	`conf`	AdSight: Scalable and Accurate Quantification of User Attention in Multi-Slot Sponsored Search. SIGIR Mario Villaizán-Vallelado, Matteo Salvatori, Kayhan Latifzadeh, Antonio Penta, Luis A. Leiva, Ioannis Arapakis
2025	J	`jnl`	AdSight: Scalable and Accurate Quantification of User Attention in Multi-Slot Sponsored Search. CoRR Mario Villaizán-Vallelado, Matteo Salvatori, Kayhan Latifzadeh, Antonio Penta, Luis A. Leiva, Ioannis Arapakis
2025	J	`jnl`	Beyond Accuracy: Decision Transformers for Reward-Driven Multi-Objective Recommendations. IEEE Trans. Knowl. Data Eng. Jie Wang, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose, Xuri Ge
2025	A	`conf`	Beyond Clicks: Eye-Tracking Insights into User Responses to Different Recommendation Types. RecSys Georgios Koutroumpas, Matteo Mazzini, Sebastian Idesis, Mireia Masias Bruns, Joemon M. Jose, Sergi Abadal, Ioannis Arapakis
2025	Misc	`conf`	Beyond One-Size-Fits-All: A Study of Neural and Behavioural Variability Across Different Recommendation Categories. ICTIR Georgios Koutroumpas, Sebastian Idesis, Mireia Masias Bruns, Carlos Segura, Joemon M. Jose, Sergi Abadal, Ioannis Arapakis
2025	J	`jnl`	Beyond One-Size-Fits-All: A Study of Neural and Behavioural Variability Across Different Recommendation Categories. CoRR Georgios Koutroumpas, Sebastian Idesis, Mireia Masias Bruns, Carlos Segura, Joemon M. Jose, Sergi Abadal, Ioannis Arapakis
2025	J	`jnl`	Brain-Language Model Alignment: Insights into the Platonic Hypothesis and Intermediate-Layer Advantage. CoRR Ángela López-Cardona, Sebastian Idesis, Mireia Masias Bruns, Sergi Abadal, Ioannis Arapakis
2025	J	`jnl`	CROSSAN: Towards Efficient and Effective Adaptation of Multiple Multimodal Foundation Models for Sequential Recommendation. CoRR Junchen Fu, Yongxin Ni, Joemon M. Jose, Ioannis Arapakis, Kaiwen Zheng, Youhua Li, Xuri Ge
2025	Misc	`conf`	CoEvolution: A Comprehensive Trustworthy Framework For Connected Machine Learning And Secure Interconnected AI Solutions. CSR Antonios Makris, Apostolos P. Fournaris, Anita Aghaie, Ioannis Arakas, Anna Maria Anaxagorou, Ioannis Arapakis, Davide Bacciu, Battista Biggio, Georgios Bouloukakis, Stavros Bouras, Arne Bröring, Antonio Carta, Marco Caselli, Olympia Giannakopoulou, Nikolaos Gkatzios, Alexandros Gkillas, Evangelos Haleplidis, Sotiris Ioannidis, Eleni-Maria Kalogeraki, Panagiotis Karantzias, Emmanouil Kritharakis, Aris S. Lalos, David Lenk, Stella Markopoulou, Entrit Metai, Andreas Miaoudakis, Haralambos Mouratidis, Jihane Najar, Theodor Panagiotakopoulos, Bernhard Peischl, Maura Pintor, Nikos Piperigkos, Vassilis Prevelakis, Carlos Segura, Georgios Spanoudakis, Orestis Tsirakis, Omar Veledar, Konstantinos Tserpes
2025	A	`conf`	Context-Aware Adaptive Visualizations for Critical Decision Making. ECAI Ángela López-Cardona, Mireia Masias Bruns, Nuwan T. Attygalle, Sebastian Idesis, Matteo Salvatori, Konstantinos Raftopoulos, Konstantinos Oikonomou, Saravanakumar Duraisamy, Parvin Emami, Nacera Latreche, Alaa Eddine Anis Sahraoui, Michalis Vakalellis, Jean Vanderdonckt, Ioannis Arapakis, Luis A. Leiva
2025	J	`jnl`	Context-aware Adaptive Visualizations for Critical Decision Making. CoRR Ángela López-Cardona, Mireia Masias Bruns, Nuwan T. Attygalle, Sebastian Idesis, Matteo Salvatori, Konstantinos Raftopoulos, Konstantinos Oikonomou, Saravanakumar Duraisamy, Parvin Emami, Nacera Latreche, Alaa Eddine Anis Sahraoui, Michalis Vakallelis, Jean Vanderdonckt, Ioannis Arapakis, Luis A. Leiva
2025	J	`jnl`	Corrigendum: Diffusion Models for Tabular Data Imputation and Synthetic Data Generation. ACM Trans. Knowl. Discov. Data Mario Villaizán-Vallelado, Matteo Salvatori, Carlos Segura, Ioannis Arapakis
2025	J	`jnl`	Diffusion Models for Tabular Data Imputation and Synthetic Data Generation. ACM Trans. Knowl. Discov. Data Mario Villaizán-Vallelado, Matteo Salvatori, Carlos Segura, Ioannis Arapakis
2025	J	`jnl`	Efficient and Effective Adaptation of Multimodal Foundation Models in Sequential Recommendation. IEEE Trans. Knowl. Data Eng. Junchen Fu, Xuri Ge, Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Kaiwen Zheng, Yongxin Ni, Joemon M. Jose
2025	B	`conf`	Integrating Cognitive Processing Signals into Language Models: A Review of Advances, Applications and Future Directions. IJCNN Ángela López-Cardona, Sebastian Idesis, Ioannis Arapakis
2025	J	`jnl`	Integrating Cognitive Processing Signals into Language Models: A Review of Advances, Applications and Future Directions. CoRR Ángela López-Cardona, Sebastian Idesis, Ioannis Arapakis
2025	J	`jnl`	LLMPopcorn: An Empirical Study of LLMs as Assistants for Popular Micro-video Generation. CoRR Junchen Fu, Xuri Ge, Kaiwen Zheng, Ioannis Arapakis, Xin Xin, Joemon M. Jose
2025	A	`conf`	Large Language Model driven Policy Exploration for Recommender Systems. WSDM Jie Wang, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2025	J	`jnl`	Large Language Model driven Policy Exploration for Recommender Systems. CoRR Jie Wang, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2025	—	`conf`	Mind the XAI Gap: A Human-Centered LLM Framework for Democratizing Explainable AI. xAI (5) Eva Paraschou, Ioannis Arapakis, Sofia Yfantidou, Sebastian Macaluso, Athena Vakali
2025	J	`jnl`	Mind the XAI Gap: A Human-Centered LLM Framework for Democratizing Explainable AI. CoRR Eva Paraschou, Ioannis Arapakis, Sofia Yfantidou, Sebastian Macaluso, Athena Vakali
2025	J	`jnl`	OASST-ETC Dataset: Alignment Signals from Eye-tracking Analysis of LLM Responses. CoRR Ángela López-Cardona, Sebastian Idesis, Miguel Barreda-Ángeles, Sergi Abadal, Ioannis Arapakis
2025	J	`jnl`	OASST-ETC Dataset: Alignment Signals from Eye-tracking Analysis of LLM Responses. Proc. ACM Hum. Comput. Interact. Ángela López-Cardona, Sebastian Idesis, Miguel Barreda-Ángeles, Sergi Abadal, Ioannis Arapakis
2025	J	`jnl`	Quantum Computing for Large-scale Network Optimization: Opportunities and Challenges. CoRR Sebastian Macaluso, Giovanni Geraci, Elías F. Combarro, Sergi Abadal, Ioannis Arapakis, Sofia Vallecorsa, Eduard Alarcón
2025	A*	`conf`	Seeing Eye to AI: Human Alignment via Gaze-Based Response Rewards for Large Language Models. ICLR Ángela López-Cardona, Carlos Segura, Alexandros Karatzoglou, Sergi Abadal, Ioannis Arapakis
2025	B	`conf`	Spiking Neural Networks for Resource Allocation in UAV-Enabled Wireless Networks. PIMRC Vasileios Kouvakis, Stylianos E. Trevlakis, Ioannis Arapakis, Alexandros-Apostolos A. Boulogeorgos
2025	—	`conf`	The 1st EReL@MIR Workshop on Efficient Representation Learning for Multimodal Information Retrieval. WWW (Companion Volume) Junchen Fu, Xuri Ge, Xin Xin, Haitao Yu, Yue Feng, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2025	J	`jnl`	The 1st EReL@MIR Workshop on Efficient Representation Learning for Multimodal Information Retrieval. CoRR Junchen Fu, Xuri Ge, Xin Xin, Haitao Yu, Yue Feng, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2025	J	`jnl`	White-Basilisk: A Hybrid Model for Code Vulnerability Detection. CoRR Ioannis Lamprou, Alexander Shevtsov, Ioannis Arapakis, Sotiris Ioannidis
2024	—	`conf`	Awareness in Robotics: An Early Perspective from the Viewpoint of the EIC Pathfinder Challenge "Awareness Inside". ERF (1) Cosimo Della Santina, Carlos Hernández Corbato, Burak Sisman, Luis A. Leiva, Ioannis Arapakis, Michalis Vakalellis, Jean Vanderdonckt, Luis Fernando D'Haro, Guido Manzi, Cristina Becchio, Aïda Elamrani, Mohsen Alirezaei, Ginevra Castellano, Dimos V. Dimarogonas, Arabinda Ghosh, Sofie Haesaert, Sadegh Soudjani, Sybert Stroeve, Paul F. M. J. Verschure, Davide Bacciu, Ophelia Deroy, Bahador Bahrami, Claudio Gallicchio, Sabine Hauert, Ricardo Sanz, Pablo Lanillos, Giovanni Iacca, Stephan Sigg, Manel Gasulla, Luc Steels, Carles Sierra
2024	J	`jnl`	Awareness in robotics: An early perspective from the viewpoint of the EIC Pathfinder Challenge "Awareness Inside". CoRR Cosimo Della Santina, Carlos Hernández Corbato, Burak Sisman, Luis A. Leiva, Ioannis Arapakis, Michalis Vakalellis, Jean Vanderdonckt, Luis Fernando D'Haro, Guido Manzi, Cristina Becchio, Aïda Elamrani, Mohsen Alirezaei, Ginevra Castellano, Dimos V. Dimarogonas, Arabinda Ghosh, Sofie Haesaert, Sadegh Soudjani, Sybert Stroeve, Paul F. M. J. Verschure, Davide Bacciu, Ophelia Deroy, Bahador Bahrami, Claudio Gallicchio, Sabine Hauert, Ricardo Sanz, Pablo Lanillos, Giovanni Iacca, Stephan Sigg, Manel Gasulla, Luc Steels, Carles Sierra
2024	J	`jnl`	Diffusion Models for Tabular Data Imputation and Synthetic Data Generation. CoRR Mario Villaizán-Vallelado, Matteo Salvatori, Carlos Segura, Ioannis Arapakis
2024	J	`jnl`	Efficient and Effective Adaptation of Multimodal Foundation Models in Sequential Recommendation. CoRR Junchen Fu, Xuri Ge, Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Kaiwen Zheng, Yongxin Ni, Joemon M. Jose
2024	—	`conf`	Empowering Legal Citation Recommendation via Efficient Instruction-Tuning of Pre-trained Language Models. ECIR (1) Jie Wang, Kanha Bansal, Ioannis Arapakis, Xuri Ge, Joemon M. Jose
2024	A*	`conf`	IISAN: Efficiently Adapting Multimodal Representation for Sequential Recommendation with Decoupled PEFT. SIGIR Junchen Fu, Xuri Ge, Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Jie Wang, Joemon M. Jose
2024	J	`jnl`	IISAN: Efficiently Adapting Multimodal Representation for Sequential Recommendation with Decoupled PEFT. CoRR Junchen Fu, Xuri Ge, Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Jie Wang, Joemon M. Jose
2024	J	`jnl`	LightningNet: Distributed Graph-based Cellular Network Performance Forecasting for the Edge. CoRR Konstantinos Zacharopoulos, Georgios Koutroumpas, Ioannis Arapakis, Konstantinos Georgopoulos, Javad Khangosstar, Sotiris Ioannidis
2024	J	`jnl`	Protein pathways as a catalyst to directed evolution of the topology of artificial neural networks. CoRR Oscar Lao, Konstantinos Zacharopoulos, Apostolos P. Fournaris, Rossano Schifanella, Ioannis Arapakis
2024	A*	`conf`	Reinforcement Learning-based Recommender Systems with Large Language Models for State Reward and Action Modeling. SIGIR Jie Wang, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2024	J	`jnl`	Reinforcement Learning-based Recommender Systems with Large Language Models for State Reward and Action Modeling. CoRR Jie Wang, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2024	B	`conf`	SKILLAB: Skills Matter. SEAA Mihaela Aluas, Lefteris Angelis, Ioannis Arapakis, Elvira-Maria Arvanitou, Kostantinos Georgiou, Anastasios Gogos, Marco Jahn, Dionysios D. Kehagias, Valia Kordoni, Sebastian Macaluso, Nikolaos Mittas, Vasiliki Moumtzi, Rosaria Rossini, Sofia Tsekeridou, Dimitrios Tsoukalas, Christina Volioti, Apostolos Vontas, Vassilis Voulgarakis
2024	J	`jnl`	Seeing Eye to AI: Human Alignment via Gaze-Based Response Rewards for Large Language Models. CoRR Ángela López-Cardona, Carlos Segura, Alexandros Karatzoglou, Sergi Abadal, Ioannis Arapakis
2024	A	`conf`	Sparks of Surprise: Multi-objective Recommendations with Hierarchical Decision Transformers for Diversity, Novelty, and Serendipity. CIKM Jie Wang, Alexandros Karatzoglou, Ioannis Arapakis, Xin Xin, Xuri Ge, Joemon M. Jose
2023	J	`jnl`	P4L: Privacy Preserving Peer-to-Peer Learning for Infrastructureless Setups. CoRR Ioannis Arapakis, Panagiotis Papadopoulos, Kleomenis Katevas, Diego Perino
2022	A	`conf`	Choosing the Best of Both Worlds: Diverse and Novel Recommendations through Multi-Objective Reinforcement Learning. WSDM Dusan Stamenkovic, Alexandros Karatzoglou, Ioannis Arapakis, Xin Xin, Kleomenis Katevas
2022	A	`conf`	Supervised Advantage Actor-Critic for Recommender Systems. WSDM Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2021	J	`jnl`	Choosing the Best of Both Worlds: Diverse and Novel Recommendations through Multi-Objective Reinforcement Learning. CoRR Dusan Stamenkovic, Alexandros Karatzoglou, Ioannis Arapakis, Xin Xin, Kleomenis Katevas
2021	J	`jnl`	Graph Convolutional Embeddings for Recommender Systems. IEEE Access Paula Gómez Duran, Alexandros Karatzoglou, Jordi Vitrià, Xin Xin, Ioannis Arapakis
2021	J	`jnl`	Graph Convolutional Embeddings for Recommender Systems. CoRR Paula Gómez Duran, Alexandros Karatzoglou, Jordi Vitrià, Xin Xin, Ioannis Arapakis
2021	B	`conf`	Impact of Response Latency on User Behaviour in Mobile Web Search. CHIIR Ioannis Arapakis, Souneil Park, Martin Pielot
2021	J	`jnl`	Impact of Response Latency on User Behaviour in Mobile Web Search. CoRR Ioannis Arapakis, Souneil Park, Martin Pielot
2021	B	`conf`	My Mouse, My Rules: Privacy Issues of Behavioral User Profiling via Mouse Tracking. CHIIR Luis A. Leiva, Ioannis Arapakis, Costas Iordanou
2021	J	`jnl`	My Mouse, My Rules: Privacy Issues of Behavioral User Profiling via Mouse Tracking. CoRR Luis A. Leiva, Ioannis Arapakis, Costas Iordanou
2021	J	`jnl`	Query Abandonment Prediction with Recurrent Neural Models of Mouse Cursor Movements. CoRR Lukas Brückner, Ioannis Arapakis, Luis A. Leiva
2021	J	`jnl`	Supervised Advantage Actor-Critic for Recommender Systems. CoRR Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2021	A*	`conf`	When Choice Happens: A Systematic Examination of Mouse Movement Length for Decision Making in Web Search. SIGIR Lukas Brückner, Ioannis Arapakis, Luis A. Leiva
2020	J	`jnl`	A Price-Per-Attention Auction Scheme Using Mouse Cursor Information. CoRR Ioannis Arapakis, Antonio Penta, Hideo Joho, Luis A. Leiva
2020	J	`jnl`	A Price-per-attention Auction Scheme Using Mouse Cursor Information. ACM Trans. Inf. Syst. Ioannis Arapakis, Antonio Penta, Hideo Joho, Luis A. Leiva
2020	B	`ed.`	CHIIR '20: Conference on Human Information Interaction and Retrieval, Vancouver, BC, Canada, March 14-18, 2020. CHIIR Heather L. O'Brien, Luanne Freund, Ioannis Arapakis, Orland Hoeber, Irene Lopatovska
2020	J	`jnl`	Graph Highway Networks. CoRR Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2020	A*	`conf`	Learning Efficient Representations of Mouse Movements to Predict User Attention. SIGIR Ioannis Arapakis, Luis A. Leiva
2020	J	`jnl`	Learning Efficient Representations of Mouse Movements to Predict User Attention. CoRR Ioannis Arapakis, Luis A. Leiva
2020	A	`conf`	Query Abandonment Prediction with Recurrent Neural Models of Mouse Cursor Movements. CIKM Lukas Brückner, Ioannis Arapakis, Luis A. Leiva
2020	A*	`conf`	Self-Supervised Reinforcement Learning for Recommender Systems. SIGIR Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2020	J	`jnl`	Self-Supervised Reinforcement Learning for Recommender Systems. CoRR Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose
2019	A	`conf`	A Simple Convolutional Generative Network for Next Item Recommendation. WSDM Fajie Yuan, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose, Xiangnan He
2019	J	`jnl`	Interest as a Proxy of Engagement in News Reading: Spectral and Entropy Analyses of EEG Activity Patterns. IEEE Trans. Affect. Comput. Ioannis Arapakis, Miguel Barreda-Ángeles, Alexandre Pereda-Baños
2019	B	`conf`	Towards Specification of a Software Architecture for Cross-Sectoral Big Data Applications. SERVICES Ioannis Arapakis, Yolanda Becerra, Omer Boehm, George Bravos, Vasilis Chatzigiannakis, Cesare Cugnasco, Giorgos Demetriou, Iliada Eleftheriou, Julien-Etienne Mascolo, Lidija Fodor, Sotiris Ioannidis, Dusan Jakovetic, Leonidas Kallipolitis, Evangelia Kavakli, Despina Kopanaki, Nicolas Kourtellis, Mario Maawad Marcos, Ramon Martín de Pozuelo, Nemanja Milosevic, Giuditta Morandi, Enric Pages i Montanera, Gerald H. Ristow, Rizos Sakellariou, Raül Sirvent, Srdjan Skrbic, Ilias Spais, Giorgos Vasiliadis, Michael Vinov
2018	J	`jnl`	A Multimodal Analytics Platform for Journalists Analyzing Large-Scale, Heterogeneous Multilingual, and Multimedia Content. Frontiers Robotics AI Stefanos Vrochidis, Anastasia Moumtzidou, Ilias Gialampoukidis, Dimitris Liparas, Gerard Casamayor, Leo Wanner, Nicolaus Heise, Tilman Wagner, Andriy Bilous, Emmanuel Jamin, Boyan Simeonov, Vladimir Alexiev, Reinhard Busch, Ioannis Arapakis, Ioannis Kompatsiaris
2018	J	`jnl`	A Simple but Hard-to-Beat Baseline for Session-based Recommendations. CoRR Fajie Yuan, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose, Xiangnan He
2018	J	`jnl`	Typical Phone Use Habits: Intense Use Does Not Predict Negative Well-Being. CoRR Kleomenis Katevas, Ioannis Arapakis, Martin Pielot
2018	B	`conf`	Typical phone use habits: intense use does not predict negative well-being. MobileHCI Kleomenis Katevas, Ioannis Arapakis, Martin Pielot
2017	J	`jnl`	On the feasibility of predicting popular news at cold start. J. Assoc. Inf. Sci. Technol. Ioannis Arapakis, Berkant Barla Cambazoglu, Mounia Lalmas
2017	J	`jnl`	Understanding and Leveraging the Impact of Response Latency on User Behaviour in Web Search. ACM Trans. Inf. Syst. Xiao Bai, Ioannis Arapakis, Berkant Barla Cambazoglu, Ana Freire
2016	J	`jnl`	Finding Social Points of Interest from Georeferenced and Oriented Online Photographs. ACM Trans. Multim. Comput. Commun. Appl. Bart Thomee, Ioannis Arapakis, David A. Shamma
2016	—	`conf`	Linguistic Benchmarks of Online News Article Quality. ACL (1) Ioannis Arapakis, Filipa Peleja, Berkant Barla Cambazoglu, João Magalhães
2016	A*	`conf`	Predicting User Engagement with Direct Displays Using Mouse Cursor Information. SIGIR Ioannis Arapakis, Luis A. Leiva
2016	—	`conf`	The MULTISENSOR Project - Development of Multimedia Content Integration Technologies for Journalism, Media Monitoring and International Exporting Decision Support. MMDA@ECAI Dimitris Liparas, Stefanos Vrochidis, Ioannis Kompatsiaris, Gerard Casamayor, Leo Wanner, Ioannis Arapakis, David García-Soriano, Reinhard Busch, Boris Vaisman, Boyan Simeonov, Vladimir Alexiev, Andrey Belous, Emmanuel Jamin, Nicolaus Heise, Tilman Wagner, Michael Jugov, Mirja Eckhoff, Teresa Forrellat, Martí Puigbó
2016	A	`conf`	The Role of Relevance in Sponsored Search. CIKM Luca Maria Aiello, Ioannis Arapakis, Ricardo Baeza-Yates, Xiao Bai, Nicola Barbieri, Amin Mantrach, Fabrizio Silvestri
2015	—	`conf`	Effect of Snippets on User Experience in Web Search. Interacción Mari-Carmen Marcos, Ferran Gavin, Ioannis Arapakis
2015	—	`conf`	Explanatory opinions: to whom or what is all the fuzz about? FDIA Filipa Peleja, Ioannis Arapakis, João Magalhães
2015	A	`conf`	Know Your Onions: Understanding the User Experience with the Knowledge Module in Web Search. CIKM Ioannis Arapakis, Luis A. Leiva, Berkant Barla Cambazoglu
2015	—	`conf`	MULTISENSOR: Development of multimedia content integration technologies for journalism, media monitoring and international exporting decision support. ICME Workshops Stefanos Vrochidis, Ioannis Kompatsiaris, Gerard Casamayor, Ioannis Arapakis, Reinhard Busch, Vladimir Alexiev, Emmanuel Jamin, Michael Jugov, Nicolaus Heise, Teresa Forrellat, Dimitris Liparas, Leo Wanner, Iris Miliaraki, Vera Aleksic, Kiril Ivanov Simov, Alan Mas Soro, Mirja Eckhoff, Tilman Wagner, Marti Puigbo
2015	A*	`conf`	Unconscious Physiological Effects of Search Latency on Users and Their Click Behaviour. SIGIR Miguel Barreda-Ángeles, Ioannis Arapakis, Xiao Bai, Berkant Barla Cambazoglu, Alexandre Pereda-Baños
2014	J	`jnl`	Automatically embedding newsworthy links to articles: From implementation to evaluation. J. Assoc. Inf. Sci. Technol. Ioannis Arapakis, Mounia Lalmas, Hakan Ceylan, Pinar Donmez
2014	A*	`conf`	Impact of response latency on user behavior in web search. SIGIR Ioannis Arapakis, Xiao Bai, Berkant Barla Cambazoglu
2014	—	`conf`	On the Feasibility of Predicting News Popularity at Cold Start. SocInfo Ioannis Arapakis, Berkant Barla Cambazoglu, Mounia Lalmas
2014	A	`conf`	Understanding Within-Content Engagement through Pattern Analysis of Mouse Gestures. CIKM Ioannis Arapakis, Mounia Lalmas, George Valkanas
2014	J	`jnl`	User engagement in online News: Under the scope of sentiment, interest, affect, and gaze. J. Assoc. Inf. Sci. Technol. Ioannis Arapakis, Mounia Lalmas, Berkant Barla Cambazoglu, Mari-Carmen Marcos, Joemon M. Jose
2012	A	`conf`	Automatically embedding newsworthy links to articles. CIKM Hakan Ceylan, Ioannis Arapakis, Pinar Donmez, Mounia Lalmas
2011	J	`jnl`	Theories, methods and current research on emotions in library and information science, information retrieval and human-computer interaction. Inf. Process. Manag. Irene Lopatovska, Ioannis Arapakis
2010	A*	`conf`	A comparison of general vs personalised affective models for the prediction of topical relevance. SIGIR Ioannis Arapakis, Konstantinos Athanasakos, Joemon M. Jose
2010	—	`—`	Affect-based information retrieval. Ioannis Arapakis
2009	—	`conf`	Enriching user profiling with affective features for the improvement of a multimodal recommender system. CIVR Ioannis Arapakis, Yashar Moshfeghi, Hideo Joho, Reede Ren, David Hannah, Joemon M. Jose
2009	A	`conf`	Integrating facial expressions into user profiling for the improvement of a multimodal recommender system. ICME Ioannis Arapakis, Yashar Moshfeghi, Hideo Joho, Reede Ren, David Hannah, Joemon M. Jose
2009	A*	`conf`	Modeling facial expressions and peripheral physiological signals to predict topical relevance. SIGIR Ioannis Arapakis, Ioannis Konstas, Joemon M. Jose, Ioannis Kompatsiaris
2009	A*	`conf`	Using facial expressions and peripheral physiological signals as implicit indicators of topical relevance. ACM Multimedia Ioannis Arapakis, Ioannis Konstas, Joemon M. Jose
2008	A*	`conf`	Affective feedback: an investigation into the role of emotions in the information seeking process. SIGIR Ioannis Arapakis
2008	A*	`conf`	Affective feedback: an investigation into the role of emotions in the information seeking process. SIGIR Ioannis Arapakis, Joemon M. Jose, Philip D. Gray