Kostas Stefanidis

ORCID

Publication Activity (10 Years)

Years Active: 2005-2024
Publications (10 Years): 93

Top Venues

Publications

Georgia Troullinou, Kostas Stefanidis, Dimitris Plexousakis, Haridimos Kondylakis
DIAERESIS: Knowledge Graph Partitioning for Efficient Query Answering. WWW (Companion Volume) (2024)
Hervé-Madelein Attolou, Katerina Tzompanaki, Kostas Stefanidis, Dimitris Kotzinos
EMiGRe: Unveiling Why Your Recommendations are Not What You Expect. ICWE (2024)
Hervé-Madelein Attolou, Katerina Tzompanaki, Kostas Stefanidis, Dimitris Kotzinos
Why-Not Explainable Graph Recommender. ICDE (2024)
Md Mahade Hasan, Soha Pervez, Maria Stratigi, Kostas Stefanidis
SQUIRREL 2.0: Fairness & Explanations for Sequential Group Recommendations. DOLAP (2024)
Konstantinos Zioutos, Haridimos Kondylakis, Kostas Stefanidis
Healthy Personalized Recipe Recommendations for Weekly Meal Planning. Comput. 13 (1) (2024)
Haridimos Kondylakis, Kostas Stefanidis, Praveen Rao
Report on the Fifth International Workshop on Health Data Management in the Era of AI (HeDAI 2023). SIGMOD Rec. 53 (2) (2024)
Reza Shafiloo, Kostas Stefanidis
Examining the Impact of Multi-Objective Recommender Systems on Providers Bias. EDBT/ICDT Workshops (2024)
Kostas Stefanidis, Haridimos Kondylakis, Praveen Rao
Special issue on Semantic Web Meets Health Data Management. Semantic Web 14 (5) (2023)
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
Front Matter. Proc. VLDB Endow. 16 (12) (2023)
Konstantinos Zioutos, Haridimos Kondylakis, Kostas Stefanidis
SHARE: A Framework for Personalized and Healthy Recipe Recommendations. EDBT/ICDT Workshops (2023)
Maria Stratigi, Evaggelia Pitoura, Kostas Stefanidis
SQUIRREL: A framework for sequential group recommendations through reinforcement learning. Inf. Syst. 112 (2023)
Nikolaos Fanourakis, Vasilis Efthymiou, Vassilis Christophides, Dimitris Kotzinos, Evaggelia Pitoura, Kostas Stefanidis
Structural Bias in Knowledge Graphs for the Entity Alignment Task. ESWC (2023)
Katerina Katsarou, Roxana Jeney, Kostas Stefanidis
MUTUAL: Multi-Domain Sentiment Classification via Uncertainty Sampling. SAC (2023)
Katerina Katsarou, Nabil Douss, Kostas Stefanidis
REFORMIST: Hierarchical Attention Networks for Multi-Domain Sentiment Classification with Active Learning. SAC (2023)
Erjon Skenderi, Salla-Maaria Laaksonen, Kostas Stefanidis, Jukka Huhtamäki
Assessing Text Representation Methods on Tag Prediction Task for StackOverflow. HICSS (2023)
Dimitris Sacharidis, Giorgos Giannopoulos, George Papastefanatos, Kostas Stefanidis
Auditing for Spatial Fairness. CoRR (2023)
Eva Chrysostomaki, Maria Stratigi, Vasilis Efthymiou, Kostas Stefanidis, Dimitris Plexousakis
Fair Sequential Group Recommendations in SQUIRREL Movies. VLDB Workshops (2023)
Dimitris Sacharidis, Giorgos Giannopoulos, George Papastefanatos, Kostas Stefanidis
Auditing for Spatial Fairness. EDBT (2023)
Rodrigo Borges, Otto Sahlgren, Sami Koivunen, Kostas Stefanidis, Thomas Olsson, Arto Laitinen
Computational Team Assembly with Fairness Constraints. CoRR (2023)
Rodrigo Borges, Otto Sahlgren, Sami Koivunen, Kostas Stefanidis, Thomas Olsson, Arto Laitinen
Multi-Objective Fairness in Team Assembly. ADBIS (Short Papers) (2023)
Wajhee Ullah, Zheying Zhang, Kostas Stefanidis
Sentiment Analysis of Mobile Apps Using BERT. IEA/AIE (2) (2023)
Kostas Stefanidis, Patrick Marcel, Il-Yeol Song
Special issue on DOLAP 2021: Design, Optimization, Languages and Analytical Processing of Big Data. Inf. Syst. 108 (2022)
Maria Stratigi, Evaggelia Pitoura, Jyrki Nummenmaa, Kostas Stefanidis
Sequential group recommendations based on satisfaction and disagreement scores. J. Intell. Inf. Syst. 58 (2) (2022)
Rodrigo Borges, Kostas Stefanidis
Feature-blind fairness in collaborative filtering recommender systems. Knowl. Inf. Syst. 64 (4) (2022)
Tiago Brasileiro Araújo, Kostas Stefanidis, Carlos Eduardo Santos Pires, Jyrki Nummenmaa, Thiago Pereira da Nóbrega
Incremental Entity Blocking over Heterogeneous Streaming Data. Inf. 13 (12) (2022)
Rodrigo Borges, Kostas Stefanidis
F2VAE: a framework for mitigating user unfairness in recommendation systems. SAC (2022)
Evaggelia Pitoura, Kostas Stefanidis, Georgia Koutrika
Fairness in rankings and recommendations: an overview. VLDB J. 31 (3) (2022)
Giorgos Giannopoulos, George Papastefanatos, Dimitris Sacharidis, Kostas Stefanidis
Interactivity, Fairness and Explanations in Recommendations. UMAP (Adjunct Publication) (2021)
Petri Puustinen, Kostas Stefanidis, Jaana Kekäläinen, Marko Junkkari
Reinforcement Learning Page Prediction for Hierarchically Ordered Municipal Websites. Inf. 12 (6) (2021)
Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis
An Overview of End-to-End Entity Resolution for Big Data. ACM Comput. Surv. 53 (6) (2021)
Xiaozhou Li, Zheying Zhang, Kostas Stefanidis
A Data-Driven Approach for Video Game Playability Analysis Based on Players' Reviews. Inf. 12 (3) (2021)
Giannis Vassiliou, Georgia Troullinou, Nikos Papadakis, Kostas Stefanidis, Evangelia Pitoura, Haridimos Kondylakis
Coverage-Based Summaries for RDF KBs. ESWC (Satellite Events) (2021)
Vasilis Efthymiou, Kostas Stefanidis, Evaggelia Pitoura, Vassilis Christophides
FairER: Entity Resolution With Fairness Constraints. CIKM (2021)
Erjon Skenderi, Jukka Huhtamäki, Kostas Stefanidis
Multi-Keyword Classification: A Case Study in Finnish Social Sciences Data Archive. Inf. 12 (12) (2021)
Kostas Stefanidis
FRecs - Fairness, Diversity and Transparency in Health Recommenders: Challenges & Objectives. SWH@ISWC (2021)
Rodrigo Borges, Kostas Stefanidis
On mitigating popularity bias in recommendations via variational autoencoders. SAC (2021)
Haridimos Kondylakis, Kostas Stefanidis, Praveen Rao
Report on the Third International Workshop on Semantic Web Meets Health Data Management (SWH 2020). SIGMOD Rec. 50 (3) (2021)
Evaggelia Pitoura, Kostas Stefanidis, Georgia Koutrika
Fairness in Rankings and Recommenders: Models, Methods and Research Directions. ICDE (2021)
Evaggelia Pitoura, Kostas Stefanidis, Georgia Koutrika
Fairness-aware Methods in Rankings and Recommenders. MDM (2021)
Evaggelia Pitoura, Kostas Stefanidis, Georgia Koutrika
Fairness in Rankings and Recommendations: An Overview. CoRR (2021)
Haridimos Kondylakis, Kostas Stefanidis, Praveen Rao, Dave Parry
Report on the Second International Workshop on Semantic Web Meets Health Data Management (SWH 2019). SIGMOD Rec. 49 (2) (2020)
Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
Benchmarking Blocking Algorithms for Web Entities. IEEE Trans. Big Data 6 (2) (2020)
Maria Stratigi, Katerina Tzompanaki, Kostas Stefanidis
Why-Not Questions & Explanations for Collaborative Filtering. WISE (2) (2020)
Xiaozhou Li, Boyang Zhang, Zheying Zhang, Kostas Stefanidis
A Sentiment-Statistical Approach for Identifying Problematic Mobile App Updates Based on User Reviews. Inf. 11 (3) (2020)
Maria Stratigi, Jyrki Nummenmaa, Evaggelia Pitoura, Kostas Stefanidis
Fair sequential group recommendations. SAC (2020)
Sanna Kumpulainen, Heikki Keskustalo, Boyang Zhang, Kostas Stefanidis
Historical reasoning in authentic research tasks: Mapping cognitive and document spaces. J. Assoc. Inf. Sci. Technol. 71 (2) (2020)
Tiago Brasileiro Araújo, Kostas Stefanidis, Carlos Eduardo Santos Pires, Jyrki Nummenmaa, Thiago Pereira da Nóbrega
Schema-agnostic blocking for streaming data. SAC (2020)
Maria Stratigi, Haridimos Kondylakis, Kostas Stefanidis
Multidimensional Group Recommendations in the Health Domain. Algorithms 13 (3) (2020)
Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
Benchmarking Blocking Algorithms for Web Entities. CoRR (2020)
Evaggelia Pitoura, Georgia Koutrika, Kostas Stefanidis
Fairness in Rankings and Recommenders. EDBT (2020)
Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi
Tracking the history and evolution of entities: entity-centric temporal analysis of large social media archives. Int. J. Digit. Libr. 21 (1) (2020)
Rodrigo Borges, Kostas Stefanidis
On Measuring Popularity Bias in Collaborative Filtering Data. EDBT/ICDT Workshops (2020)
Maria Stratigi, Xiaozhou Li, Kostas Stefanidis, Zheying Zhang
Ratings vs. Reviews in Recommender Systems: A Case Study on the Amazon Movies Dataset. ADBIS (Short Papers and Workshops) (2019)
Tiago Brasileiro Araújo, Carlos Eduardo Santos Pires, Demetrio Gomes Mestre, Thiago Pereira da Nóbrega, Dimas Cassimiro do Nascimento, Kostas Stefanidis
A noise tolerant and schema-agnostic blocking technique for entity resolution. SAC (2019)
Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis
End-to-End Entity Resolution for Big Data: A Survey. CoRR (2019)
Tiago Brasileiro Araújo, Kostas Stefanidis, Carlos Eduardo Santos Pires, Jyrki Nummenmaa, Thiago Pereira da Nóbrega
Incremental Blocking for Entity Resolution over Web Streaming Data. WI (2019)
Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides
MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities. EDBT (2019)
Haridimos Kondylakis, Kostas Stefanidis, Praveen Rao
Report on the First International Workshop on Semantic Web Technologies for Health Data Management (SWH 2018). SIGMOD Rec. 48 (3) (2019)
Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides
MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities. CoRR (2019)
Rama Hannula, Aapo Nikkilä, Kostas Stefanidis
GameRecs: Video Games Group Recommendations. ADBIS (Short Papers and Workshops) (2019)
Rodrigo Borges, Kostas Stefanidis
Enhancing Long Term Fairness in Recommendations with Variational Autoencoders. MEDES (2019)
Haridimos Kondylakis, Kostas Stefanidis
Towards Education and Emotion Based Semantic Group Recommendations for Health. SWH@ISWC (2019)
Lucas Machado, Kostas Stefanidis
Fair Team Recommendations for Multidisciplinary Projects. WI (2019)
Jin Gong, Yizhou Ye, Kostas Stefanidis
A Hybrid Recommender System for Steam Games. ISIP (2019)
Jaka Klancar, Karsten Paulussen, Kostas Stefanidis
FIFARecs: A Recommender System for FIFA18. ADBIS (Short Papers and Workshops) (2019)
Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi
Tracking the History and Evolution of Entities: Entity-centric Temporal Analysis of Large Social Media Archives. CoRR (2018)
Tiago Brasileiro Araújo, Carlos Eduardo S. Pires, Kostas Stefanidis
Noisy-aware Blocking over Heterogeneous Data. ISWC (P&D/Industry/BlueSky) (2018)
Elizaveta Zimina, Jyrki Nummenmaa, Kalervo Järvelin, Jaakko Peltonen, Kostas Stefanidis, Heikki Hyyrö
GQA: Grammatical Question Answering for RDF Data. SemWebEval@ESWC (2018)
Miika Koskela, Inka Simola, Kostas Stefanidis
Open Source Software Recommendations Using Github. TPDL (2018)
Georgia Troullinou, Haridimos Kondylakis, Kostas Stefanidis, Dimitris Plexousakis
RDFDigest+: A Summary-driven System for KBs Exploration. ISWC (P&D/Industry/BlueSky) (2018)
Maria Stratigi, Haridimos Kondylakis, Kostas Stefanidis
The FairGRecs Dataset: A Dataset for Producing Health-related Recommendations. SWH@ISWC (2018)
Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides
Simplifying Entity Resolution on Web Data with Schema-Agnostic, Non-Iterative Matching. ICDE (2018)
Haridimos Kondylakis, Georgia Troullinou, Kostas Stefanidis, Dimitris Plexousakis
Beyond Summaries for Ontology Exploration. ERCIM News 2018 (113) (2018)
Xiaozhou Li, Zheying Zhang, Kostas Stefanidis
Mobile App Evolution Analysis Based on User Reviews. SoMeT (2018)
Maria Stratigi, Haridimos Kondylakis, Kostas Stefanidis
FairGRecs: Fair Group Recommendations by Exploiting Personal Health Information. DEXA (2) (2018)
Haridimos Kondylakis, Praveen Rao, Kostas Stefanidis
Semantic Web Technologies for Health Data Management. SWH@ISWC (2018)
Georgia Troullinou, Haridimos Kondylakis, Kostas Stefanidis, Dimitris Plexousakis
Exploring RDFS KBs Using Summaries. ISWC (1) (2018)
Giannis Agathangelos, Georgia Troullinou, Haridimos Kondylakis, Kostas Stefanidis, Dimitris Plexousakis
RDF Query Answering Using Apache Spark: Review and Assessment. ICDE Workshops (2018)
Giannis Agathangelos, Georgia Troullinou, Haridimos Kondylakis, Kostas Stefanidis, Dimitris Plexousakis
Incremental Data Partitioning of RDF Data in SPARK. ESWC (Satellite Events) (2018)
Pavlos Fafalios, Vasileios Iosifidis, Kostas Stefanidis, Eirini Ntoutsi
Multi-aspect Entity-Centric Analysis of Big Social Media Archives. TPDL (2017)
Maria Stratigi, Haridimos Kondylakis, Kostas Stefanidis
Fairness in Group Recommendations in the Health Domain. ICDE (2017)
Vasilis Efthymiou, George Papadakis, George Papastefanatos, Kostas Stefanidis, Themis Palpanas
Parallel meta-blocking for scaling entity resolution over big heterogeneous data. Inf. Syst. 65 (2017)
Marialena Kyriakidi, Kostas Stefanidis, Yannis E. Ioannidis
On Achieving Diversity in Recommender Systems. ExploreDB@SIGMOD/PODS (2017)
Kostas Stefanidis, Vassilis Christophides, Vasilis Efthymiou
Web-Scale Blocking, Iterative and Progressive Entity Resolution. ICDE (2017)
Vassilis Papakonstantinou, Giorgos Flouris, Irini Fundulaki, Kostas Stefanidis, Yannis Roussakis
SPBv: Benchmarking Linked Data Archiving Systems. BLINK/NLIWoD3@ISWC (2017)
Kostas Stefanidis, Haridimos Kondylakis, Georgia Troullinou
On Recommending Evolution Measures: A Human-Aware Approach. ICDE (2017)
Senjuti Basu Roy, Kostas Stefanidis, Georgia Koutrika, Laks V. S. Lakshmanan, Mirek Riedewald
Report on the Third International Workshop on Exploratory Search in Databases and the Web (ExploreDB 2016). SIGMOD Rec. 45 (3) (2016)
Kostas Stefanidis, Eirini Ntoutsi
Cluster-based Contextual Recommendations. EDBT (2016)
Vassilis Papakonstantinou, Giorgos Flouris, Irini Fundulaki, Kostas Stefanidis, Giannis Roussakis
Versioning for Linked Data: Archiving Systems and Benchmarks. BLINK@ISWC (2016)
Georgia Troullinou, Giannis Roussakis, Haridimos Kondylakis, Kostas Stefanidis, Giorgos Flouris
Understanding Ontology Evolution Beyond Deltas. EDBT/ICDT Workshops (2016)
Kostas Stefanidis, Giorgos Flouris, Ioannis Chrysakis, Yannis Roussakis
D2V - Understanding the Dynamics of Evolving Data: A Case Study in the Life Sciences. ERCIM News 2016 (105) (2016)
Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
Minoan ER: Progressive Entity Resolution in the Web of Data. EDBT (2016)
Eirini Ntoutsi, Kostas Stefanidis
Recommendations beyond the ratings matrix. DDI@WebSci (2016)
Yannis Roussakis, Ioannis Chrysakis, Kostas Stefanidis, Giorgos Flouris, Yannis Stavrakas
A Flexible Framework for Understanding the Dynamics of Evolving RDF Datasets. ISWC (1) (2015)
Yannis Roussakis, Ioannis Chrysakis, Kostas Stefanidis, Giorgos Flouris
D2V: A Tool for Defining, Detecting and Visualizing Changes on the Data Web. ISWC (Posters & Demos) (2015)
Kostas Stefanidis, Irini Fundulaki
Keyword Search on RDF Graphs: It Is More Than Just Searching for Keywords. ESWC (Satellite Events) (2015)
Georgia Koutrika, Laks V. S. Lakshmanan, Mirek Riedewald, Mohamed A. Sharaf, Kostas Stefanidis
Report on the Second International Workshop on Exploratory Search in Databases and the Web (ExploreDB 2015). SIGMOD Rec. 44 (4) (2015)
Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
Big data entity resolution: From highly to somehow similar entity descriptions in the Web. IEEE BigData (2015)
Vasilis Efthymiou, Kostas Stefanidis, Eirini Ntoutsi
Top-k computations in MapReduce: A case study on recommendations. IEEE BigData (2015)
Vasilis Efthymiou, George Papadakis, George Papastefanatos, Kostas Stefanidis, Themis Palpanas
Parallel meta-blocking: Realizing scalable entity resolution over large, heterogeneous data. IEEE BigData (2015)

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Publication Activity (10 Years)

Top Topics

Top Venues

Kostas Stefanidis