Professional Activities
Organization
EDBT/ICDT 2026: International Conference on Extending Database Technology & International Conference on Database Theory, Tampere, Finland, 2026. [General co-Chair]ADBIS 2025: European Conference on Advances in Databases and Information Systems, Tampere, Finland, 2025. [General co-Chair]
TPDL 2025: International Conference on Theory and Practice of Digital Libraries, Tampere, Finland, 2025. [General co-Chair]
ICWE 2024: International Conference on Web Engineering, Tampere, Finland, 2024. [General co-Chair]
HeDAI 2024, HeDAI 2023: International Workshop on Health Data Management in the Era of AI, co-located with EDBT/ICDT. [Workshop co-Chair]
VLDB 2023: International Conference on Very Large Data Bases, Vancouver BC, Canada, 2023. [Proceedings Chair]
DOLAP 2022, DOLAP 2021: International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data, co-located with EDBT. [Workshop co-Chair]
SWH 2021, SWH 2020, SWH 2019, SWH 2018: International Workshop on Semantic Web Meets Health Data Management, co-located with ISWC. [General co-Chair]
QAUCA 2020: International Workshop on Qualitative Aspects of User-Centered Analytics, co-located with ADBIS, Lyon, France, August, 2020. [Workshop co-Chair]
CIKM 2018: International Conference on Information and Knowledge, Lingotto, Turin, Italy, October 22-26, 2018. [Registration Chair]
ExploreDB 2018, ExploreDB 2017, ExploreDB 2016, ExploreDB 2015: International Workshop on Exploratory Search in Databases and the Web, co-located with SIGMOD/PODS. [Workshop Co-Chair]
SIGMOD/PODS 2016: ACM International Conference on Management of Data, San Francisco, USA, June 26 - July 1, 2016. [Web/Information Chair]
EDBT/ICDT 2016: International Conference on Extending Database Technology, Bordeaux, France, 2016. [Proceedings Chair]
ExploreDB 2014: International Workshop on Exploratory Search in Databases and the Web, co-located with EDBT/ICDT 2014. [Workshop Co-Chair]
Editor in Chief
Journal of Machine Learning Theory, Applications and PracticeProgram Committee Member
VLDB 2026, 2025, 2020, 2019: International Conference on Very Large Data BasesSIGMOD 2025-2023, 2018: ACM International Conference on Management of Data
ISWC 2025, 2024 (Senior PC Member): International Semantic Web Conference
EDBT 2025, 2024, 2021-2018: International Conference on Extending Database Technology
SIGIR 2025-2023 (Senior PC Member), 2022-2020: ACM International Conference on Research and Development in Information Retrieval
CIKM 2025, 2024 (Senior PC Member), 2023-2014: ACM International Conference on Information and Knowledge Management
Previous
AAAI 2024, 2023: AAAI Conference on Artificial Intelligence
SIGKDD 2024-2021: ACM International Conference on Knowledge Discovery and Data Mining
ECML PKDD 2024-2022: European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases
BigData 2024-2020: IEEE International Conference on Big Data
ESWC 2024, 2023: Extended Semantic Web Conference
ICDE 2023, 2022, 2018: IEEE International Conference on Data Engineering
WSDM 2023-2021: ACM International Conference on Web Search and Data Mining
TaDA 2024, 2023: VLDB Workshop on Tabular Data Analysis
SAC 2023, 2022, 2021: ACM Symposium On Applied Computing
DSAA 2023: IEEE International Conference on Data Science and Advanced Analytics
DASFAA 2022, 2021, 2017: International Conference on Database Systems for Advanced Applications
ADBIS 2021, 2020, 2019, 2018, 2017: East-European Conference on Advances in Databases and Information Systems
DaWaK 2022: International Conference on Big Data Analytics and Knowledge Discovery
WISE 2022, 2021, 2020, 2019, 2013: International Conference on Web Information System Engineering
SETN 2022, 2020, 2018, 2016: Hellenic Conference on Artificial Intelligence
LocalRec 2023, 2022, 2021, 2020, 2019, 2018, 2017: ACM SIGSPATIAL Workshop on Recommendations for Location-based Services and Social Networks
KnOD 2022, 2021: International Workshop on Knowledge Graphs for Online Discourse Analysis
BigVis 2021, 2020, 2019, 2018: International Workshop on Big Data Visual Exploration and Analytics
SOFSEM 2021: International Conference on Current Trends in Theory and Practice of Computer Science
ECAI 2020: European Conference on Artificial Intelligence
SALLD-1 2021: Workshop on Sentiment Analysis & Linguistic Linked Data
ISIP 2019: International Workshop on Information Search, Integration, and Personalization
HDMS 2018, 2016, 2014: Hellenic Data Management Symposium
TIME 2018: International Symposium on Temporal Representation and Reasoning
Mighty Storage Challenge - ESWC 2018, 2017
BLINK 2017, 2016: International Workshop on Benchmarking Linked Data, in conjunction with ISWC
VLDB 2016: International Conference on Very Large Data Bases (demo track)
ICDM 2016, 2015, 2014: IEEE International Conference on Data Mining (demo track)
KDIR 2016: International Conference on Knowledge Discovery and Information Retrieval
DIACHRON 2016: International Workshop on Preservation of Evolving Big Data, in conjunction with EDBT/ICDT
WEB 2016, 2015: International Conference on Building and Exploring Web Based Environments
DSAA 2015, 2014: International Conference on Data Science and Advanced Analytics - Special Session on Exploratory Computing
NWSearch 2015: International Workshop on Novel Web Search Interfaces and Systems, in conjunction with CIKM
APWeb 2014, 2013: International Asia-Pacific Web Conference
BASNA 2014, 2013, 2012: Business Applications of Social Network Analysis Workshop, in conjunction with ICDM (previously, with the ASONAM Conference)
EUC 2013, 2012: IEEE/IFIP International Conference on Embedded and Ubiquitous Computing
NoCoDA 2013: International Workshop on Non-Conventional Data-Access, in conjunction with CIKM
PersDB 2013: International Workshop on Personalized Access, Profile Management and Context Awareness in Databases, in conjunction with the VLDB Conference
IEEE NAS 2013: International Conference on Networking, Architecture and Storage
UCDW2 2012: User-Centric Data Warehouses Workshop, in conjunction with the ADBIS Conference
Referee
The VLDB JournalIEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Big Data
ACM Transactions on Information Systems
Elsevier Information Systems
Elsevier Journal of Web Semantics
Elsevier Big Data Research
Elsevier Information Processing and Management Journal
Elsevier Future Generation Computer Systems Journal
IEEE Access
IOS Press Semantic Web Journal - Interoperability, Usability, Applicability
Springer Distributed and Parallel Databases
Springer Data Science and Engineering
Springer Information Retrieval Journal
Springer Journal of Internet Services and Applications
Springer Machine Learning Journal
Springer Advanced Query Processing
International Journal on Artificial Intelligence Tools
International Journal of Parallel, Emergent and Distributed Systems
International Journal of Autonomous and Adaptive Communications Systems
International Journal of Web Information Systems
Editorials
Associate Editor on Frontiers, Big Data NetworksSpecial Issue of Semantic Web – Interoperability, Usability, Applicability, IOS Press Journal, on Semantic Web Meets Health Data Management
Special Issue of Elsevier Information Systems on Selected papers from DOLAP 2022
Special Issue of Elsevier Information Systems on Selected papers from DOLAP 2021
Special Issue of Information (ISSN 2078-2489) on Novel Methods and Applications in Natural Language Processing
Special Issue of Algorithms (ISSN 1999-4893) on Selected papers from: Second International Workshop on Semantic Web Technologies for Health Data Management
Special Issue of Information (ISSN 2078-2489) on Big Data Integration