Kostas Stefanidis

183 papers A* 8A 4B 20C 13Misc 7Journal 57Unranked 61

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	A Dataset Generation Method for Bias Evaluation in Retrieval-Augmented Generation. EDBT/ICDT Workshops Yingqi Zhao, Vasilis Efthymiou, Jyrki Nummenmaa, Kostas Stefanidis
2026	—	`conf`	A Systematic Literature Review on Hallucination Detection Methods in LLMs. EDBT/ICDT Workshops Elisa Bestetti, Zheying Zhang, Kostas Stefanidis
2026	C	`conf`	Adaptive Noise Injection in Variational Autoencoders for Enhancing Fairness in Group Recommendations. DOLAP Emaz Uddin Ahmad, Maria Stratigi, Kostas Stefanidis
2026	C	`ed.`	Advances in Databases and Information Systems - 29th European Conference, ADBIS 2025, Tampere, Finland, September 23-26, 2025, Proceedings ADBIS Panos K. Chrysanthis, Kjetil Nørvåg, Kostas Stefanidis, Zheying Zhang
2026	J	`jnl`	Explaining Group Recommendations via Counterfactuals. CoRR Maria Stratigi, Nikos Bikakis, Kostas Stefanidis
2026	B	`ed.`	Linking Theory and Practice of Digital Libraries - 29th International Conference on Theory and Practice of Digital Libraries, TPDL 2025, Tampere, Finland, September 23-26, 2025, Proceedings TPDL Wolf-Tilo Balke, Koraljka Golub, Yannis Manolopoulos, Kostas Stefanidis, Zheying Zhang
2026	J	`jnl`	Multi-sided fairness in sequential task assignment. Inf. Syst. Anna Dalla Vecchia, Sara Migliorini, Elisa Quintarelli, Kostas Stefanidis
2026	J	`jnl`	Multisided fairness under limited item availability in recommender systems. Inf. Sci. Reza Shafiloo, Maria Stratigi, Jaakko Peltonen, Kostas Stefanidis
2026	—	`ed.`	New Trends in Database and Information Systems - ADBIS 2025 Short Papers, Workshops, Doctoral Consortium and Tutorials, Tampere, Finland, September 23-26, 2025, Proceedings ADBIS (Short Papers) Panos K. Chrysanthis, Kjetil Nørvåg, Kostas Stefanidis, Zheying Zhang, Elisa Quintarelli, Ester Zumpano
2026	—	`ed.`	New Trends in Theory and Practice of Digital Libraries - TPDL 2025 Short Papers and Workshops, Tampere, Finland, September 23-26, 2025, Proceedings TPDL (Short Papers and Workshops) Wolf-Tilo Balke, Koraljka Golub, Yannis Manolopoulos, Kostas Stefanidis, Zheying Zhang, Trond Aalberg, Paolo Manghi
2026	B	`ed.`	Proceedings 29th International Conference on Extending Database Technology, EDBT 2026, Tampere, Finland, March 24-27, 2026. EDBT Wolfgang Lehner, Vanessa Braganholo, Kostas Stefanidis, Zheying Zhang, Alexander Krause, João Felipe Nicolaci Pimentel
2026	—	`conf`	Selective Post-hoc Bias Mitigation via Counterfactual Sensitivity. EDBT/ICDT Workshops Roti Islam Shithy, Maria Stratigi, Kostas Stefanidis
2026	J	`jnl`	The many facets of fairness in recommender systems: Consumers, providers and items. Inf. Syst. Reza Shafiloo, Maria Stratigi, Jaakko Peltonen, Thomas Olsson, Kostas Stefanidis
2025	J	`jnl`	A Conceptual Model for Context Awareness in Ethical Data Management. CoRR Elisa Quintarelli, Fabio Alberto Schreiber, Kostas Stefanidis, Letizia Tanca, Barbara Oliboni
2025	C	`conf`	A Diversity-aware Approach to Bundle Recommendations. DOLAP Nastaran Ebrahimi, Zheying Zhang, Kostas Stefanidis
2025	J	`jnl`	ADAPT: Fairness & diversity for sequential group recommendations. Inf. Syst. Emilia Lenzi, Kostas Stefanidis
2025	J	`jnl`	Auto-Configuring Entity Resolution Pipelines. IEEE Access Konstantinos Nikoletos, Vasilis Efthymiou, George Papadakis, Kostas Stefanidis
2025	J	`jnl`	Auto-Configuring Entity Resolution Pipelines. CoRR Konstantinos Nikoletos, Vasilis Efthymiou, George Papadakis, Kostas Stefanidis
2025	—	`conf`	Bias Evaluation in Contextual Machine Learning. ADBIS (Short Papers) Anna Dalla Vecchia, Kostas Stefanidis
2025	C	`conf`	Counterfactual Explanations for Group Recommendations. DOLAP Maria Stratigi, Nikos Bikakis, Kostas Stefanidis
2025	—	`conf`	Dynamic User Preferences Optimization in Time-Aware Recommendations. EDBT/ICDT Workshops Ainaz Ebrahimi, Zheying Zhang, Kostas Stefanidis
2025	—	`conf`	Enhancing Data Interoperability in Multi-platform Lakehouses with Apache Iceberg. ADBIS (Short Papers) Muhammad Hassan Shafiq, Zheying Zhang, Kostas Stefanidis
2025	J	`jnl`	Fairness and Explanations in Entity Resolution: An Overview. IEEE Access Tiago Brasileiro Araújo, Vasilis Efthymiou, Kostas Stefanidis
2025	—	`conf`	LLM-Driven Summarization and Distinguish Analysis of Multiple Entities in RDF Graphs. ADBIS (Short Papers) Hamza Iqbal, Kostas Stefanidis
2025	J	`jnl`	Large Language Models in Human-Robot Collaboration With Cognitive Validation Against Context-Induced Hallucinations. IEEE Access Nadun Ranasinghe, Wael M. Mohammed, Kostas Stefanidis, Jose L. Martinez Lastra
2025	—	`conf`	ReFaRAG: Re-ranking for Bias Mitigation in Retrieval-Augmented Generation. ADBIS (Short Papers) Yingqi Zhao, Vasilis Efthymiou, Jyrki Nummenmaa, Kostas Stefanidis
2025	J	`jnl`	STracker: A framework for identifying sentiment changes in customer feedbacks. Inf. Syst. Petri Puustinen, Maria Stratigi, Kostas Stefanidis
2025	J	`jnl`	TREATS: Fairness-aware entity resolution over streaming data. Inf. Syst. Tiago Brasileiro Araújo, Vasilis Efthymiou, Vassilis Christophides, Evaggelia Pitoura, Kostas Stefanidis
2024	—	`conf`	DIAERESIS: Knowledge Graph Partitioning for Efficient Query Answering. WWW (Companion Volume) Georgia Troullinou, Kostas Stefanidis, Dimitris Plexousakis, Haridimos Kondylakis
2024	J	`jnl`	DIAERESIS: RDF data partitioning and query processing on SPARK. Semantic Web Georgia Troullinou, Giannis Agathangelos, Haridimos Kondylakis, Kostas Stefanidis, Dimitris Plexousakis
2024	—	`conf`	Data-Driven Analysis for Monitoring Software Evolution. ADBIS (Short Papers) Zheying Zhang, Kostas Stefanidis
2024	B	`conf`	EMiGRe: Unveiling Why Your Recommendations are Not What You Expect. ICWE Hervé-Madelein Attolou, Katerina Tzompanaki, Kostas Stefanidis, Dimitris Kotzinos
2024	—	`conf`	Evaluating Diversity in Sequential Group Recommendations. ADBIS (Short Papers) Haider Zulfiqar, Emilia Lenzi, Kostas Stefanidis
2024	—	`conf`	Examining the Impact of Multi-Objective Recommender Systems on Providers Bias. EDBT/ICDT Workshops Reza Shafiloo, Kostas Stefanidis
2024	C	`conf`	Fairness in Group Recommender Systems Using Variational Autoencoders. IDEAS Muhammad Shahzaib Ali, Kostas Stefanidis
2024	J	`jnl`	Healthy Personalized Recipe Recommendations for Weekly Meal Planning. Comput. Konstantinos Zioutos, Haridimos Kondylakis, Kostas Stefanidis
2024	J	`jnl`	INCEPT: A Framework for Duplicate Posts Classification with Combined Text Representations. ACM Trans. Web Erjon Skenderi, Jukka Huhtamäki, Salla-Maaria Laaksonen, Kostas Stefanidis
2024	C	`conf`	Multi-attribute Bias Mitigation in Recommender Systems. IDEAS Uzair Ahmed, Kostas Stefanidis
2024	J	`jnl`	Report on the Fifth International Workshop on Health Data Management in the Era of AI (HeDAI 2023). SIGMOD Rec. Haridimos Kondylakis, Kostas Stefanidis, Praveen Rao
2024	C	`conf`	SQUIRREL 2.0: Fairness & Explanations for Sequential Group Recommendations. DOLAP Md Mahade Hasan, Soha Pervez, Maria Stratigi, Kostas Stefanidis
2024	B	`ed.`	Web Engineering - 24th International Conference, ICWE 2024, Tampere, Finland, June 17-20, 2024, Proceedings ICWE Kostas Stefanidis, Kari Systä, Maristella Matera, Sebastian Heil, Haridimos Kondylakis, Elisa Quintarelli
2024	A*	`conf`	Why-Not Explainable Graph Recommender. ICDE Hervé-Madelein Attolou, Katerina Tzompanaki, Kostas Stefanidis, Dimitris Kotzinos
2023	—	`conf`	Assessing Text Representation Methods on Tag Prediction Task for StackOverflow. HICSS Erjon Skenderi, Salla-Maaria Laaksonen, Kostas Stefanidis, Jukka Huhtamäki
2023	B	`conf`	Auditing for Spatial Fairness. EDBT Dimitris Sacharidis, Giorgos Giannopoulos, George Papastefanatos, Kostas Stefanidis
2023	J	`jnl`	Auditing for Spatial Fairness. CoRR Dimitris Sacharidis, Giorgos Giannopoulos, George Papastefanatos, Kostas Stefanidis
2023	J	`jnl`	Computational Team Assembly with Fairness Constraints. CoRR Rodrigo Borges, Otto Sahlgren, Sami Koivunen, Kostas Stefanidis, Thomas Olsson, Arto Laitinen
2023	—	`conf`	Fair Sequential Group Recommendations in SQUIRREL Movies. VLDB Workshops Eva Chrysostomaki, Maria Stratigi, Vasilis Efthymiou, Kostas Stefanidis, Dimitris Plexousakis
2023	J	`jnl`	Front Matter. Proc. VLDB Endow. Georgia Koutrika, Jun Yang, Manos Athanassoulis, Kostas Stefanidis, Ju Fan, Abdul Quamar, Yuanyan Tian, Alekh Jindal, Carsten Binnig, Jennie Rogers, Senjuti Basu Roy, Steven Euijong Whang, Matthias Boehm, Aaron J. Elmore, Vasilis Efthymiou, Xiao Hu, Xiaofang Zhou, Alan D. Fekete
2023	Misc	`conf`	MUTUAL: Multi-Domain Sentiment Classification via Uncertainty Sampling. SAC Katerina Katsarou, Roxana Jeney, Kostas Stefanidis
2023	—	`conf`	Multi-Objective Fairness in Team Assembly. ADBIS (Short Papers) Rodrigo Borges, Otto Sahlgren, Sami Koivunen, Kostas Stefanidis, Thomas Olsson, Arto Laitinen
2023	Misc	`conf`	REFORMIST: Hierarchical Attention Networks for Multi-Domain Sentiment Classification with Active Learning. SAC Katerina Katsarou, Nabil Douss, Kostas Stefanidis
2023	—	`conf`	SHARE: A Framework for Personalized and Healthy Recipe Recommendations. EDBT/ICDT Workshops Konstantinos Zioutos, Haridimos Kondylakis, Kostas Stefanidis
2023	J	`jnl`	SQUIRREL: A framework for sequential group recommendations through reinforcement learning. Inf. Syst. Maria Stratigi, Evaggelia Pitoura, Kostas Stefanidis
2023	—	`conf`	Sentiment Analysis of Mobile Apps Using BERT. IEA/AIE (2) Wajhee Ullah, Zheying Zhang, Kostas Stefanidis
2023	J	`jnl`	Special issue on Semantic Web Meets Health Data Management. Semantic Web Kostas Stefanidis, Haridimos Kondylakis, Praveen Rao
2023	B	`conf`	Structural Bias in Knowledge Graphs for the Entity Alignment Task. ESWC Nikolaos Fanourakis, Vasilis Efthymiou, Vassilis Christophides, Dimitris Kotzinos, Evaggelia Pitoura, Kostas Stefanidis
2022	Misc	`conf`	F2VAE: a framework for mitigating user unfairness in recommendation systems. SAC Rodrigo Borges, Kostas Stefanidis
2022	J	`jnl`	Fairness in rankings and recommendations: an overview. VLDB J. Evaggelia Pitoura, Kostas Stefanidis, Georgia Koutrika
2022	J	`jnl`	Feature-blind fairness in collaborative filtering recommender systems. Knowl. Inf. Syst. Rodrigo Borges, Kostas Stefanidis
2022	J	`jnl`	Incremental Entity Blocking over Heterogeneous Streaming Data. Inf. Tiago Brasileiro Araújo, Kostas Stefanidis, Carlos Eduardo Santos Pires, Jyrki Nummenmaa, Thiago Pereira da Nóbrega
2022	C	`ed.`	Proceedings of the 24th International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data (DOLAP) co-located with the 25th International Conference on Extending Database Technology and the 25th International Conference on Database Theory (EDBT/ICDT 2022), Edinburgh, UK, March 29, 2022. DOLAP Kostas Stefanidis, Lukasz Golab
2022	J	`jnl`	Sequential group recommendations based on satisfaction and disagreement scores. J. Intell. Inf. Syst. Maria Stratigi, Evaggelia Pitoura, Jyrki Nummenmaa, Kostas Stefanidis
2022	J	`jnl`	Special issue on DOLAP 2021: Design, Optimization, Languages and Analytical Processing of Big Data. Inf. Syst. Kostas Stefanidis, Patrick Marcel, Il-Yeol Song
2021	J	`jnl`	A Data-Driven Approach for Video Game Playability Analysis Based on Players' Reviews. Inf. Xiaozhou Li, Zheying Zhang, Kostas Stefanidis
2021	J	`jnl`	An Overview of End-to-End Entity Resolution for Big Data. ACM Comput. Surv. Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis
2021	—	`conf`	Coverage-Based Summaries for RDF KBs. ESWC (Satellite Events) Giannis Vassiliou, Georgia Troullinou, Nikos Papadakis, Kostas Stefanidis, Evangelia Pitoura, Haridimos Kondylakis
2021	—	`conf`	FRecs - Fairness, Diversity and Transparency in Health Recommenders: Challenges & Objectives. SWH@ISWC Kostas Stefanidis
2021	A	`conf`	FairER: Entity Resolution With Fairness Constraints. CIKM Vasilis Efthymiou, Kostas Stefanidis, Evaggelia Pitoura, Vassilis Christophides
2021	J	`jnl`	Fairness in Rankings and Recommendations: An Overview. CoRR Evaggelia Pitoura, Kostas Stefanidis, Georgia Koutrika
2021	A*	`conf`	Fairness in Rankings and Recommenders: Models, Methods and Research Directions. ICDE Evaggelia Pitoura, Kostas Stefanidis, Georgia Koutrika
2021	B	`conf`	Fairness-aware Methods in Rankings and Recommenders. MDM Evaggelia Pitoura, Kostas Stefanidis, Georgia Koutrika
2021	—	`conf`	Interactivity, Fairness and Explanations in Recommendations. UMAP (Adjunct Publication) Giorgos Giannopoulos, George Papastefanatos, Dimitris Sacharidis, Kostas Stefanidis
2021	J	`jnl`	Multi-Keyword Classification: A Case Study in Finnish Social Sciences Data Archive. Inf. Erjon Skenderi, Jukka Huhtamäki, Kostas Stefanidis
2021	Misc	`conf`	On mitigating popularity bias in recommendations via variational autoencoders. SAC Rodrigo Borges, Kostas Stefanidis
2021	C	`ed.`	Proceedings of the 23rd International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data (DOLAP) co-located with the 24th International Conference on Extending Database Technology and the 24th International Conference on Database Theory (EDBT/ICDT 2021), Nicosia, Cyprus, March 23, 2021. DOLAP Kostas Stefanidis, Patrick Marcel
2021	—	`ed.`	Proceedings of the Fourth International Workshop on Semantic Web Meets Health Data Management, SWH 2021 co-located with the 20th International Semantic Web Conference, ISWC 2021, Virtual Conference, October 24, 2021. SWH@ISWC Kostas Stefanidis, Praveen Rao, Haridimos Kondylakis, Georgia Troullinou
2021	J	`jnl`	Reinforcement Learning Page Prediction for Hierarchically Ordered Municipal Websites. Inf. Petri Puustinen, Kostas Stefanidis, Jaana Kekäläinen, Marko Junkkari
2021	J	`jnl`	Report on the Third International Workshop on Semantic Web Meets Health Data Management (SWH 2020). SIGMOD Rec. Haridimos Kondylakis, Kostas Stefanidis, Praveen Rao
2020	J	`jnl`	A Sentiment-Statistical Approach for Identifying Problematic Mobile App Updates Based on User Reviews. Inf. Xiaozhou Li, Boyang Zhang, Zheying Zhang, Kostas Stefanidis
2020	J	`jnl`	Benchmarking Blocking Algorithms for Web Entities. CoRR Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
2020	J	`jnl`	Benchmarking Blocking Algorithms for Web Entities. IEEE Trans. Big Data Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
2020	Misc	`conf`	Fair sequential group recommendations. SAC Maria Stratigi, Jyrki Nummenmaa, Evaggelia Pitoura, Kostas Stefanidis
2020	B	`conf`	Fairness in Rankings and Recommenders. EDBT Evaggelia Pitoura, Georgia Koutrika, Kostas Stefanidis
2020	J	`jnl`	Historical reasoning in authentic research tasks: Mapping cognitive and document spaces. J. Assoc. Inf. Sci. Technol. Sanna Kumpulainen, Heikki Keskustalo, Boyang Zhang, Kostas Stefanidis
2020	J	`jnl`	Multidimensional Group Recommendations in the Health Domain. Algorithms Maria Stratigi, Haridimos Kondylakis, Kostas Stefanidis
2020	—	`conf`	On Measuring Popularity Bias in Collaborative Filtering Data. EDBT/ICDT Workshops Rodrigo Borges, Kostas Stefanidis
2020	—	`ed.`	Proceedings of the Third International Workshop on Semantic Web Meets Health Data Management (SWH 2020) co-located with the 19th International Semantic Web Conference (ISWC 2020), Athens, Greece, November 2, 2020. SWH@ISWC Kostas Stefanidis, Praveen Rao, Haridimos Kondylakis, Georgia Troullinou
2020	J	`jnl`	Report on the Second International Workshop on Semantic Web Meets Health Data Management (SWH 2019). SIGMOD Rec. Haridimos Kondylakis, Kostas Stefanidis, Praveen Rao, Dave Parry
2020	Misc	`conf`	Schema-agnostic blocking for streaming data. SAC Tiago Brasileiro Araújo, Kostas Stefanidis, Carlos Eduardo Santos Pires, Jyrki Nummenmaa, Thiago Pereira da Nóbrega
2020	J	`jnl`	Tracking the history and evolution of entities: entity-centric temporal analysis of large social media archives. Int. J. Digit. Libr. Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi
2020	—	`conf`	Why-Not Questions & Explanations for Collaborative Filtering. WISE (2) Maria Stratigi, Katerina Tzompanaki, Kostas Stefanidis
2019	—	`conf`	A Hybrid Recommender System for Steam Games. ISIP Jin Gong, Yizhou Ye, Kostas Stefanidis
2019	Misc	`conf`	A noise tolerant and schema-agnostic blocking technique for entity resolution. SAC Tiago Brasileiro Araújo, Carlos Eduardo Santos Pires, Demetrio Gomes Mestre, Thiago Pereira da Nóbrega, Dimas Cassimiro do Nascimento, Kostas Stefanidis
2019	J	`jnl`	End-to-End Entity Resolution for Big Data: A Survey. CoRR Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis
2019	C	`conf`	Enhancing Long Term Fairness in Recommendations with Variational Autoencoders. MEDES Rodrigo Borges, Kostas Stefanidis
2019	—	`conf`	FIFARecs: A Recommender System for FIFA18. ADBIS (Short Papers and Workshops) Jaka Klancar, Karsten Paulussen, Kostas Stefanidis
2019	B	`conf`	Fair Team Recommendations for Multidisciplinary Projects. WI Lucas Machado, Kostas Stefanidis
2019	—	`conf`	GameRecs: Video Games Group Recommendations. ADBIS (Short Papers and Workshops) Rama Hannula, Aapo Nikkilä, Kostas Stefanidis
2019	B	`conf`	Incremental Blocking for Entity Resolution over Web Streaming Data. WI Tiago Brasileiro Araújo, Kostas Stefanidis, Carlos Eduardo Santos Pires, Jyrki Nummenmaa, Thiago Pereira da Nóbrega
2019	B	`conf`	MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities. EDBT Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides
2019	J	`jnl`	MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities. CoRR Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides
2019	—	`ed.`	Proceedings of the Second International Workshop on Semantic Web Meets Health Data Management (SWH 2019) co-located with the 18th International Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October 26, 2019. SWH@ISWC Kostas Stefanidis, Praveen Rao, Dave Parry, Haridimos Kondylakis, Georgia Troullinou
2019	—	`conf`	Ratings vs. Reviews in Recommender Systems: A Case Study on the Amazon Movies Dataset. ADBIS (Short Papers and Workshops) Maria Stratigi, Xiaozhou Li, Kostas Stefanidis, Zheying Zhang
2019	J	`jnl`	Report on the First International Workshop on Semantic Web Technologies for Health Data Management (SWH 2018). SIGMOD Rec. Haridimos Kondylakis, Kostas Stefanidis, Praveen Rao
2019	—	`conf`	Towards Education and Emotion Based Semantic Group Recommendations for Health. SWH@ISWC Haridimos Kondylakis, Kostas Stefanidis
2018	J	`jnl`	Beyond Summaries for Ontology Exploration. ERCIM News Haridimos Kondylakis, Georgia Troullinou, Kostas Stefanidis, Dimitris Plexousakis
2018	—	`conf`	Exploring RDFS KBs Using Summaries. ISWC (1) Georgia Troullinou, Haridimos Kondylakis, Kostas Stefanidis, Dimitris Plexousakis
2018	—	`conf`	FairGRecs: Fair Group Recommendations by Exploiting Personal Health Information. DEXA (2) Maria Stratigi, Haridimos Kondylakis, Kostas Stefanidis
2018	—	`conf`	GQA: Grammatical Question Answering for RDF Data. SemWebEval@ESWC Elizaveta Zimina, Jyrki Nummenmaa, Kalervo Järvelin, Jaakko Peltonen, Kostas Stefanidis, Heikki Hyyrö
2018	—	`conf`	Incremental Data Partitioning of RDF Data in SPARK. ESWC (Satellite Events) Giannis Agathangelos, Georgia Troullinou, Haridimos Kondylakis, Kostas Stefanidis, Dimitris Plexousakis
2018	C	`conf`	Mobile App Evolution Analysis Based on User Reviews. SoMeT Xiaozhou Li, Zheying Zhang, Kostas Stefanidis
2018	—	`conf`	Noisy-aware Blocking over Heterogeneous Data. ISWC (P&D/Industry/BlueSky) Tiago Brasileiro Araújo, Carlos Eduardo S. Pires, Kostas Stefanidis
2018	B	`conf`	Open Source Software Recommendations Using Github. TPDL Miika Koskela, Inka Simola, Kostas Stefanidis
2018	—	`ed.`	Proceedings of the First International Workshop on Semantic Web Technologies for Health Data Management, SWH@ISWC 2018, Monterey, California, USA, October 9, 2018. SWH@ISWC Kostas Stefanidis, Haridimos Kondylakis, Praveen Rao
2018	—	`conf`	RDF Query Answering Using Apache Spark: Review and Assessment. ICDE Workshops Giannis Agathangelos, Georgia Troullinou, Haridimos Kondylakis, Kostas Stefanidis, Dimitris Plexousakis
2018	—	`conf`	RDFDigest+: A Summary-driven System for KBs Exploration. ISWC (P&D/Industry/BlueSky) Georgia Troullinou, Haridimos Kondylakis, Kostas Stefanidis, Dimitris Plexousakis
2018	—	`conf`	Semantic Web Technologies for Health Data Management. SWH@ISWC Haridimos Kondylakis, Praveen Rao, Kostas Stefanidis
2018	A*	`conf`	Simplifying Entity Resolution on Web Data with Schema-Agnostic, Non-Iterative Matching. ICDE Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides
2018	—	`ch.`	Social Search and Querying. Encyclopedia of Social Network Analysis and Mining. 2nd Ed. Georgia Koloniari, Panagiotis Lionakis, Kostas Stefanidis
2018	—	`ch.`	Social-Based Collaborative Filtering. Encyclopedia of Social Network Analysis and Mining. 2nd Ed. Kostas Stefanidis, Eirini Ntoutsi, Haridimos Kondylakis, Yannis Velegrakis
2018	—	`conf`	The FairGRecs Dataset: A Dataset for Producing Health-related Recommendations. SWH@ISWC Maria Stratigi, Haridimos Kondylakis, Kostas Stefanidis
2018	J	`jnl`	Tracking the History and Evolution of Entities: Entity-centric Temporal Analysis of Large Social Media Archives. CoRR Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi
2017	A*	`conf`	Fairness in Group Recommendations in the Health Domain. ICDE Maria Stratigi, Haridimos Kondylakis, Kostas Stefanidis
2017	B	`conf`	Multi-aspect Entity-Centric Analysis of Big Social Media Archives. TPDL Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi
2017	—	`conf`	On Achieving Diversity in Recommender Systems. ExploreDB@SIGMOD/PODS Marialena Kyriakidi, Kostas Stefanidis, Yannis E. Ioannidis
2017	A*	`conf`	On Recommending Evolution Measures: A Human-Aware Approach. ICDE Kostas Stefanidis, Haridimos Kondylakis, Georgia Troullinou
2017	J	`jnl`	Parallel meta-blocking for scaling entity resolution over big heterogeneous data. Inf. Syst. Vasilis Efthymiou, George Papadakis, George Papastefanatos, Kostas Stefanidis, Themis Palpanas
2017	—	`conf`	SPBv: Benchmarking Linked Data Archiving Systems. BLINK/NLIWoD3@ISWC Vassilis Papakonstantinou, Giorgos Flouris, Irini Fundulaki, Kostas Stefanidis, Yannis Roussakis
2017	A*	`conf`	Web-Scale Blocking, Iterative and Progressive Entity Resolution. ICDE Kostas Stefanidis, Vassilis Christophides, Vasilis Efthymiou
2016	B	`conf`	Cluster-based Contextual Recommendations. EDBT Kostas Stefanidis, Eirini Ntoutsi
2016	J	`jnl`	D2V - Understanding the Dynamics of Evolving Data: A Case Study in the Life Sciences. ERCIM News Kostas Stefanidis, Giorgos Flouris, Ioannis Chrysakis, Yannis Roussakis
2016	B	`conf`	Minoan ER: Progressive Entity Resolution in the Web of Data. EDBT Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
2016	B	`ed.`	Proceedings of the 19th International Conference on Extending Database Technology, EDBT 2016, Bordeaux, France, March 15-16, 2016, Bordeaux, France, March 15-16, 2016. EDBT Evaggelia Pitoura, Sofian Maabout, Georgia Koutrika, Amélie Marian, Letizia Tanca, Ioana Manolescu, Kostas Stefanidis
2016	—	`ed.`	Proceedings of the Third International Workshop on Exploratory Search in Databases and the Web, San Francisco, CA, USA, July 1, 2016 ExploreDB@SIGMOD/PODS Senjuti Basu Roy, Kostas Stefanidis, Georgia Koutrika, Mirek Riedewald, Laks V. S. Lakshmanan
2016	—	`ed.`	Proceedings of the Workshops of the EDBT/ICDT 2016 Joint Conference, EDBT/ICDT Workshops 2016, Bordeaux, France, March 15, 2016. EDBT/ICDT Workshops Themis Palpanas, Kostas Stefanidis
2016	—	`conf`	Recommendations beyond the ratings matrix. DDI@WebSci Eirini Ntoutsi, Kostas Stefanidis
2016	J	`jnl`	Report on the Third International Workshop on Exploratory Search in Databases and the Web (ExploreDB 2016). SIGMOD Rec. Senjuti Basu Roy, Kostas Stefanidis, Georgia Koutrika, Laks V. S. Lakshmanan, Mirek Riedewald
2016	—	`conf`	Understanding Ontology Evolution Beyond Deltas. EDBT/ICDT Workshops Georgia Troullinou, Giannis Roussakis, Haridimos Kondylakis, Kostas Stefanidis, Giorgos Flouris
2016	—	`conf`	Versioning for Linked Data: Archiving Systems and Benchmarks. BLINK@ISWC Vassilis Papakonstantinou, Giorgos Flouris, Irini Fundulaki, Kostas Stefanidis, Giannis Roussakis
2015	J	`jnl`	A Flexible Framework for Defining, Representing and Detecting Changes on the Data Web. CoRR Yannis Roussakis, Ioannis Chrysakis, Kostas Stefanidis, Giorgos Flouris, Yannis Stavrakas
2015	—	`conf`	A Flexible Framework for Understanding the Dynamics of Evolving RDF Datasets. ISWC (1) Yannis Roussakis, Ioannis Chrysakis, Kostas Stefanidis, Giorgos Flouris, Yannis Stavrakas
2015	—	`conf`	Big data entity resolution: From highly to somehow similar entity descriptions in the Web. IEEE BigData Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
2015	—	`conf`	D2V: A Tool for Defining, Detecting and Visualizing Changes on the Data Web. ISWC (Posters & Demos) Yannis Roussakis, Ioannis Chrysakis, Kostas Stefanidis, Giorgos Flouris
2015	—	`book`	Entity Resolution in the Web of Data Vassilis Christophides, Vasilis Efthymiou, Kostas Stefanidis
2015	—	`conf`	Keyword Search on RDF Graphs: It Is More Than Just Searching for Keywords. ESWC (Satellite Events) Kostas Stefanidis, Irini Fundulaki
2015	—	`conf`	Parallel meta-blocking: Realizing scalable entity resolution over large, heterogeneous data. IEEE BigData Vasilis Efthymiou, George Papadakis, George Papastefanatos, Kostas Stefanidis, Themis Palpanas
2015	—	`ed.`	Proceedings of the Second International Workshop on Exploratory Search in Databases and the Web, ExploreDB 2015, Melbourne, VIC, Australia, May 31 - June 04, 2015 ExploreDB@SIGMOD/PODS Georgia Koutrika, Laks V. S. Lakshmanan, Mirek Riedewald, Kostas Stefanidis
2015	J	`jnl`	Report on the Second International Workshop on Exploratory Search in Databases and the Web (ExploreDB 2015). SIGMOD Rec. Georgia Koutrika, Laks V. S. Lakshmanan, Mirek Riedewald, Mohamed A. Sharaf, Kostas Stefanidis
2015	—	`conf`	Top-k computations in MapReduce: A case study on recommendations. IEEE BigData Vasilis Efthymiou, Kostas Stefanidis, Eirini Ntoutsi
2014	A	`conf`	"Strength Lies in Differences": Diversifying Friends for Recommendations through Subspace Clustering. CIKM Eirini Ntoutsi, Kostas Stefanidis, Katharina Rausch, Hans-Peter Kriegel
2014	—	`conf`	Context-Aware Distance Semantics for Inconsistent Database Systems. IPMU (2) Anna Zamansky, Ofer Arieli, Kostas Stefanidis
2014	—	`conf`	Enabling Social Search in Time through Graphs. Web-KRM@CIKM Kostas Stefanidis, Georgia Koloniari
2014	—	`conf`	Entity resolution in the web of data. WWW (Companion Volume) Kostas Stefanidis, Vasilis Efthymiou, Melanie Herschel, Vassilis Christophides
2014	—	`conf`	Exploratory Search in Databases and the Web. EDBT/ICDT Workshops Georgia Koutrika, Laks V. S. Lakshmanan, Mirek Riedewald, Kostas Stefanidis
2014	B	`conf`	Exploring subspace clustering for recommendations. SSDBM Katharina Rausch, Eirini Ntoutsi, Kostas Stefanidis, Hans-Peter Kriegel
2014	—	`conf`	NaviSoc: A Socially Enhanced Real-Time Navigator. ICDM Workshops Nikolaos Louloudakis, Vasileios Theodosiadis, Haridimos Kondylakis, Kostas Stefanidis
2014	A	`conf`	On Designing Archiving Policies for Evolving RDF Datasets on the Web. ER Kostas Stefanidis, Ioannis Chrysakis, Giorgos Flouris
2014	J	`jnl`	Report on the First International Workshop on Exploratory Search in Databases and the Web (ExploreDB 2014). SIGMOD Rec. Georgia Koutrika, Laks V. S. Lakshmanan, Mirek Riedewald, Kostas Stefanidis
2014	—	`conf`	SQTime: Time-Enhanced Social Search Querying. ER Workshops Panagiotis Lionakis, Kostas Stefanidis, Georgia Koloniari
2013	C	`conf`	A Framework for Grouping and Summarizing Keyword Search Results. ADBIS Orestis Gkorgkas, Kostas Stefanidis, Kjetil Nørvåg
2013	J	`jnl`	A Framework for Modeling, Computing and Presenting Time-Aware Recommendations. Trans. Large Scale Data Knowl. Centered Syst. Kostas Stefanidis, Eirini Ntoutsi, Mihalis Petropoulos, Kjetil Nørvåg, Hans-Peter Kriegel
2013	J	`jnl`	Finding the Right Set of Users: Generalized Constraints for Group Recommendations CoRR Kostas Stefanidis, Evaggelia Pitoura
2013	—	`ch.`	Preference-Based Query Personalization. Advanced Query Processing (1) Georgia Koutrika, Evaggelia Pitoura, Kostas Stefanidis
2013	J	`jnl`	gRecs: Exploiting the Power of Data Mining Techniques for Efficient Computation of Group Recommendations. ERCIM News Kostas Stefanidis, Kjetil Nørvåg
2012	—	`conf`	A Framework for Time-Aware Recommendations. DEXA (2) Kostas Stefanidis, Irene Ntoutsi, Kjetil Nørvåg, Hans-Peter Kriegel
2012	—	`conf`	Contextual Recommendations for Groups. ER Workshops Kostas Stefanidis, Nafiseh Shabib, Kjetil Nørvåg, John Krogstie
2012	A	`conf`	Fast Group Recommendations by Applying User Clustering. ER Eirini Ntoutsi, Kostas Stefanidis, Kjetil Nørvåg, Hans-Peter Kriegel
2012	—	`conf`	gRecs: A Group Recommendation System Based on User Clustering. DASFAA (2) Irene Ntoutsi, Kostas Stefanidis, Kjetil Nørvåg, Hans-Peter Kriegel
2011	J	`jnl`	A survey on representation, composition and application of preferences in database systems. ACM Trans. Database Syst. Kostas Stefanidis, Georgia Koutrika, Evaggelia Pitoura
2011	J	`jnl`	Contextual Database Preferences. IEEE Data Eng. Bull. Evaggelia Pitoura, Kostas Stefanidis, Panos Vassiliadis
2011	J	`jnl`	Managing contextual preferences. Inf. Syst. Kostas Stefanidis, Evaggelia Pitoura, Panos Vassiliadis
2011	—	`conf`	Nearest keyword search in XML documents. SIGMOD Conference Yufei Tao, Stavros Papadopoulos, Cheng Sheng, Kostas Stefanidis
2010	—	`conf`	On novelty in publish/subscribe delivery. ICDE Workshops Dimitris Souravlias, Marina Drosou, Kostas Stefanidis, Evaggelia Pitoura
2010	B	`conf`	PerK: personalized keyword search in relational databases through preferences. EDBT Kostas Stefanidis, Marina Drosou, Evaggelia Pitoura
2010	A*	`conf`	Representation, composition and application of preferences in databases. ICDE Georgia Koutrika, Evaggelia Pitoura, Kostas Stefanidis
2009	—	`conf`	Preference-aware publish/subscribe delivery with diversity. DEBS Marina Drosou, Kostas Stefanidis, Evaggelia Pitoura
2008	B	`conf`	Fast contextual preference scoring of database tuples. EDBT Kostas Stefanidis, Evaggelia Pitoura
2008	—	`conf`	Preferential Publish/Subscribe. PersDB Marina Drosou, Evaggelia Pitoura, Kostas Stefanidis
2007	J	`jnl`	A context-aware preference database system. Int. J. Pervasive Comput. Commun. Kostas Stefanidis, Evaggelia Pitoura, Panos Vassiliadis
2007	A*	`conf`	Adding Context to Preferences. ICDE Kostas Stefanidis, Evaggelia Pitoura, Panos Vassiliadis
2007	B	`conf`	On Relaxing Contextual Preference Queries. MDM Kostas Stefanidis, Evaggelia Pitoura, Panos Vassiliadis
2006	C	`conf`	Modeling and Storing Context-Aware Preferences. ADBIS Kostas Stefanidis, Evaggelia Pitoura, Panos Vassiliadis
2005	—	`conf`	On Supporting Context-Aware Preferences in Relational Database Systems. MCMP@MDM Kostas Stefanidis, Evaggelia Pitoura, Panos Vassiliadis