Yannis Velegrakis

145 papers A* 19A 5B 11C 1Misc 1Journal 47Unranked 38
YearRankTypeTitle / Venue / Authors
2026 J jnl
Reinforcement learning for road pricing: a review and future directions.
Artif. Intell. Rev.
Otto Vermeulen, Arno Siebes, Yannis Velegrakis
2025 B conf
Dataset Discovery using Semantic Matching.
EDBT
Enas Khwaileh, Yannis Velegrakis
2025 — conf
From Data Quality to Data Reduction for a Sustainable Future: Course 1.
ACM Europe Summer School
Yannis Velegrakis
2025 — conf
From Data Quality to Data Reduction for a Sustainable Future: Course 2.
ACM Europe Summer School
Yannis Velegrakis
2025 — conf
Hands on Session: Lab Session 1.
ACM Europe Summer School
Yannis Velegrakis, Ramón Rico
2025 — conf
Hands on Session: Lab Session 2.
ACM Europe Summer School
Yannis Velegrakis, Ramón Rico
2025 J jnl
New Trends in Data Forgetting for Sustainable Data Management.
Proc. VLDB Endow.
Ramón Rico, Arno Siebes, Yannis Velegrakis
2025 J jnl
Progressive Entity Matching: A Design Space Exploration.
Proc. ACM Manag. Data
Jakub Maciejewski, Konstantinos Nikoletos, George Papadakis, Yannis Velegrakis
2025 J jnl
Progressive Entity Resolution: A Design Space Exploration.
CoRR
Jakub Maciejewski, Konstantinos Nikoletos, George Papadakis, Yannis Velegrakis
2025 J jnl
Stochastic Submodular Data Forgetting.
Proc. ACM Manag. Data
Ramón Rico, Arno Siebes, Yannis Velegrakis
2025 B conf
Towards Reliable Conversational Data Analytics.
EDBT
Sihem Amer-Yahia, Jasmina Bogojeska, Roberta Facchinetti, Valeria Franceschi, Aristides Gionis, Katja Hose, Georgia Koutrika, Roger D. Kouyos, Matteo Lissandrini, Silviu Maniu, Katsiaryna Mirylenka, Davide Mottin, Themis Palpanas, Mattia Rigotti, Yannis Velegrakis
2025 J jnl
Trustworthy Provenance for Big Data Science: a Modular Architecture Leveraging Blockchain in Federated Settings.
CoRR
Nicola Giuseppe Marchioro, Yannis Velegrakis, Valentine Anantharaj, Ian T. Foster, Sandro Fiore
2024 — conf
Leveraging Pre-trained Language Models for Time Interval Prediction in Text-Enhanced Temporal Knowledge Graphs.
ESWC (1)
Duygu Sezen Islakoglu, Melisachew Wudage Chekol, Yannis Velegrakis
2024 A* conf
Unveiling Dis-Integration.
ICDE
George Papadakis, Ekaterini Ioannou, Yannis Velegrakis
2023 J jnl
Emergent circulation patterns from anonymized mobility data: Clustering Italy in the time of Covid.
CoRR
Jules Morand, Shoichi Yip, Yannis Velegrakis, Gianluca Lattanzi, Raffaello Potestio, Luca Tubiana
2023 J jnl
Leveraging Pre-trained Language Models for Time Interval Prediction in Text-Enhanced Temporal Knowledge Graphs.
CoRR
Duygu Sezen Islakoglu, Mel Chekol, Yannis Velegrakis
2023 B conf
Self-configured Entity Resolution with pyJedAI.
IEEE Big Data
Vasilis Efthymiou, Ekaterini Ioannou, Manos Karvounis, Manolis Koubarakis, Jakub Maciejewski, Konstantinos Nikoletos, George Papadakis, Dimitrios Skoutas, Yannis Velegrakis, Alexandros Zeakis
2022 Misc conf
Manipulation detection in cryptocurrency markets: an anomaly and change detection based approach.
SAC
Olaf Kampers, Abdulhakim Ali Qahtan, Swati Mathur, Yannis Velegrakis
2021 — conf
Discovering Dense Correlated Subgraphs in Dynamic Networks.
PAKDD (1)
Giulia Preti, Polina Rozenshtein, Aristides Gionis, Yannis Velegrakis
2021 J jnl
Discovering Dense Correlated Subgraphs in Dynamic Networks.
CoRR
Giulia Preti, Polina Rozenshtein, Aristides Gionis, Yannis Velegrakis
2021 A* conf
Estimating the extent of the effects of Data Quality through Observations.
ICDE
Daniele Foroni, Matteo Lissandrini, Yannis Velegrakis
2021 B conf
Leveraging Static Models for Link Prediction in Temporal Knowledge Graphs.
ICTAI
Wessel Radstok, Mel Chekol, Yannis Velegrakis
2021 J jnl
Mining patterns in graphs with multiple weights.
Distributed Parallel Databases
Giulia Preti, Matteo Lissandrini, Davide Mottin, Yannis Velegrakis
2021 B ed.
Proceedings of the 24th International Conference on Extending Database Technology, EDBT 2021, Nicosia, Cyprus, March 23 - 26, 2021.
EDBT
Yannis Velegrakis, Demetris Zeinalipour-Yazti, Panos K. Chrysanthis, Francesco Guerra
2021 — ed.
Proceedings of the 2nd Workshop on Search, Exploration, and Analysis in Heterogeneous Datastores (SEA-Data 2021) co-located with 47th International Conference on Very Large Data Bases (VLDB 2021), Copenhagen, Denmark, August 20, 2021.
SEA-Data@VLDB
Davide Mottin, Matteo Lissandrini, Senjuti Basu Roy, Yannis Velegrakis
2021 A* conf
The F4U System for Understanding the Effects of Data Quality.
ICDE
Daniele Foroni, Matteo Lissandrini, Yannis Velegrakis
2020 A* conf
Graph-Query Suggestions for Knowledge Graph Exploration.
WWW
Matteo Lissandrini, Davide Mottin, Themis Palpanas, Yannis Velegrakis
2020 — conf
Mining Dense Subgraphs with Similar Edges.
ECML/PKDD (3)
Polina Rozenshtein, Giulia Preti, Aristides Gionis, Yannis Velegrakis
2020 J jnl
Mining Dense Subgraphs with Similar Edges.
CoRR
Polina Rozenshtein, Giulia Preti, Aristides Gionis, Yannis Velegrakis
2020 B conf
Personalized Page Rank on Knowledge Graphs: Particle Filtering is all you need!
EDBT
Denis Gallo, Matteo Lissandrini, Yannis Velegrakis
2020 — ed.
Proceedings of the Workshops of the EDBT/ICDT 2020 Joint Conference, Copenhagen, Denmark, March 30, 2020
EDBT/ICDT Workshops
Alexandra Poulovassilis, David Auber, Nikos Bikakis, Panos K. Chrysanthis, George Papastefanatos, Mohamed A. Sharaf, Nikos Pelekis, Chiara Renso, Yannis Theodoridis, Karine Zeitouni, Tania Cerquitelli, Silvia Chiusano, Genoveva Vargas-Solar, Behrooz Omidvar-Tehrani, Katharina Morik, Jean-Michel Renders, Donatella Firmani, Letizia Tanca, Davide Mottin, Matteo Lissandrini, Yannis Velegrakis
2019 B conf
Discovering Order Dependencies through Order Compatibility.
EDBT
Cristian Consonni, Paolo Sottovia, Alberto Montresor, Yannis Velegrakis
2019 J jnl
EMBench
Semantic Web
Ekaterini Ioannou, Yannis Velegrakis
2019 — conf
ExCoDE: a Tool for Discovering and Visualizing Regions of Correlation in Dynamic Networks.
ICDM Workshops
Giulia Preti, Polina Rozenshtein, Aristides Gionis, Yannis Velegrakis
2019 A* conf
Example-based Search: a New Frontier for Exploratory Search.
SIGIR
Matteo Lissandrini, Davide Mottin, Themis Palpanas, Yannis Velegrakis
2019 — conf
Exploring the Data Wilderness through Examples.
SIGMOD Conference
Davide Mottin, Matteo Lissandrini, Yannis Velegrakis, Themis Palpanas
2019 C conf
Finding Synonymous Attributes in Evolving Wikipedia Infoboxes.
ADBIS
Paolo Sottovia, Matteo Paganelli, Francesco Guerra, Yannis Velegrakis
2019 A conf
TuneR: Fine Tuning of Rule-based Entity Matchers.
CIKM
Matteo Paganelli, Paolo Sottovia, Francesco Guerra, Yannis Velegrakis
2018 B conf
Beyond Frequencies: Graph Pattern Mining in Multi-weighted Graphs.
EDBT
Giulia Preti, Matteo Lissandrini, Davide Mottin, Yannis Velegrakis
2018 J jnl
Beyond Macrobenchmarks: Microbenchmark-based Graph Database Evaluation.
Proc. VLDB Endow.
Matteo Lissandrini, Martin Brugnara, Yannis Velegrakis
2018 — book
Data Exploration Using Example-Based Methods
Matteo Lissandrini, Davide Mottin, Themis Palpanas, Yannis Velegrakis
2018 A* conf
Finding Related Forum Posts through Content Similarity over Intention-Based Segmentation (Extended Abstract).
ICDE
Dimitra Papadimitriou, Georgia Koutrika, Yannis Velegrakis, John Mylopoulos
2018 J jnl
Introduction to the special section on New Trends in Humanistic Informatics: Implementations and Applications.
Comput. Electr. Eng.
Spyros Sioutas, Yannis Velegrakis, Valia Kordoni
2018 J jnl
Introduction to the special section on New Trends in Humanistic Informatics: Implementations and Applications.
Comput. Electr. Eng.
Spyros Sioutas, Yannis Velegrakis, Valia Kordoni
2018 B conf
Modeling and Exploiting Goal and Action Associations for Recommendations.
EDBT
Dimitra Papadimitriou, Yannis Velegrakis, Georgia Koutrika
2018 — conf
Moira: A Goal-Oriented Incremental Machine Learning Approach to Dynamic Resource Cost Estimation in Distributed Stream Processing Systems.
BIRTE
Daniele Foroni, Cristian Axenie, Stefano Bortoli, Mohamad Al Hajj Hassan, Ralph Acker, Radu Tudoran, Goetz Brasche, Yannis Velegrakis
2018 A* conf
Multi-Example Search in Rich Information Graphs.
ICDE
Matteo Lissandrini, Davide Mottin, Themis Palpanas, Yannis Velegrakis
2018 — ed.
Proceedings of the 5th International Workshop on Exploratory Search in Databases and the Web, ExploreDB 2018, Houston, TX, USA, June 15, 2018
ExploreDB@SIGMOD/PODS
Melanie Herschel, Yannis Velegrakis
2018 — ed.
Semantic Keyword-Based Search on Structured Data Sources - Third International KEYSTONE Conference, IKC 2017, Gdańsk, Poland, September 11-12, 2017, Revised Selected Papers and COST Action IC1302 Reports
International KEYSTONE Conference
Julian Szymanski, Yannis Velegrakis
2018 — ch.
Side-Effect-Free View Updates.
Encyclopedia of Database Systems (2nd ed.)
Yannis Velegrakis
2018 — ch.
Social-Based Collaborative Filtering.
Encyclopedia of Social Network Analysis and Mining. 2nd Ed.
Kostas Stefanidis, Eirini Ntoutsi, Haridimos Kondylakis, Yannis Velegrakis
2018 — ch.
Updates Through Views.
Encyclopedia of Database Systems (2nd ed.)
Yannis Velegrakis
2018 J jnl
X2Q: Your Personal Example-based Graph Explorer.
Proc. VLDB Endow.
Matteo Lissandrini, Davide Mottin, Themis Palpanas, Yannis Velegrakis
2017 — conf
"Tell me more" using Ladders in Wikipedia.
WebDB
Siarhei Bykau, Jihwan Lee, Divesh Srivastava, Yannis Velegrakis
2017 J jnl
BLADYG: A Graph Processing Framework for Large Dynamic Graphs.
Big Data Res.
Sabeur Aridhi, Alberto Montresor, Yannis Velegrakis
2017 J jnl
BLADYG: A Graph Processing Framework for Large Dynamic Graphs.
CoRR
Sabeur Aridhi, Alberto Montresor, Yannis Velegrakis
2017 — conf
Data Exploration on Large Amount of Relational Data through Keyword Queries.
HPCS
Domenico Beneventano, Francesco Guerra, Yannis Velegrakis
2017 J jnl
Exploiting Linguistic Analysis on URLs for Recommending Web Pages: A Comparative Study.
Trans. Comput. Collect. Intell.
Sara Cadegnani, Francesco Guerra, Sergio Ilarri, María del Carmen Rodríguez-Hernández, Raquel Trillo Lado, Yannis Velegrakis, Raquel Amaro
2017 J jnl
Finding Related Forum Posts through Content Similarity over Intention-Based Segmentation.
IEEE Trans. Knowl. Data Eng.
Dimitra Papadimitriou, Georgia Koutrika, Yannis Velegrakis, John Mylopoulos
2017 J jnl
New Trends on Exploratory Methods for Data Analytics.
Proc. VLDB Endow.
Davide Mottin, Matteo Lissandrini, Yannis Velegrakis, Themis Palpanas
2017 — ed.
Proceedings of the ExploreDB'17, Chicago, IL, USA, May 19, 2017
ExploreDB@SIGMOD/PODS
Mohamed A. Sharaf, Yannis Velegrakis
2017 — conf
The KEYSTONE IC1302 COST Action.
International KEYSTONE Conference
Francesco Guerra, Yannis Velegrakis, Jorge Cardoso, John G. Breslin
2016 J jnl
A holistic and principled approach for the empty-answer problem.
VLDB J.
Davide Mottin, Alice Marascu, Senjuti Basu Roy, Gautam Das, Themis Palpanas, Yannis Velegrakis
2016 — conf
BLADYG: A Novel Block-Centric Framework for the Analysis of Large Dynamic Graphs.
HPGP@HPDC
Sabeur Aridhi, Alberto Montresor, Yannis Velegrakis
2016 J jnl
Combining user and database perspective for solving keyword queries over relational databases.
Inf. Syst.
Sonia Bergamaschi, Francesco Guerra, Matteo Interlandi, Raquel Trillo Lado, Yannis Velegrakis
2016 — conf
Distributed k-core decomposition and maintenance in large dynamic graphs.
DEBS
Sabeur Aridhi, Martin Brugnara, Alberto Montresor, Yannis Velegrakis
2016 J jnl
Entity-Based Keyword Search in Web Documents.
Trans. Comput. Collect. Intell.
Enrico Sartori, Yannis Velegrakis, Francesco Guerra
2016 J jnl
Exemplar queries: a new way of searching.
VLDB J.
Davide Mottin, Matteo Lissandrini, Yannis Velegrakis, Themis Palpanas
2016 J jnl
Providing Insight into Data Source Topics.
J. Data Semant.
Sonia Bergamaschi, Davide Ferrari, Francesco Guerra, Giovanni Simonini, Yannis Velegrakis
2016 J jnl
Searching Web 2.0 Data Through Entity-Based Aggregation.
Trans. Comput. Collect. Intell.
Ekaterini Ioannou, Yannis Velegrakis
2016 J jnl
The Goal Behind the Action: Toward Goal-Aware Systems and Applications.
ACM Trans. Database Syst.
Dimitra Papadimitriou, Georgia Koutrika, John Mylopoulos, Yannis Velegrakis
2015 A* conf
Fine-grained controversy detection in Wikipedia.
ICDE
Siarhei Bykau, Flip Korn, Divesh Srivastava, Yannis Velegrakis
2015 A* conf
Goals in Social Media, information retrieval and intelligent agents.
ICDE
Dimitra Papadimitriou, Yannis Velegrakis, Georgia Koutrika, John Mylopoulos
2015 — conf
Recommending Web Pages Using Item-Based Collaborative Filtering Approaches.
International KEYSTONE Conference
Sara Cadegnani, Francesco Guerra, Sergio Ilarri, María del Carmen Rodríguez-Hernández, Raquel Trillo Lado, Yannis Velegrakis
2015 — ed.
Semantic Keyword-Based Search on Structured Data Sources - First COST Action IC1302 International KEYSTONE Conference, IKC 2015, Coimbra, Portugal, September 8-9, 2015. Revised Selected Papers
International KEYSTONE Conference
Jorge Cardoso, Francesco Guerra, Geert-Jan Houben, Alexandre Miguel Pinto, Yannis Velegrakis
2015 — conf
Support of Part-Whole Relations in Query Answering.
International KEYSTONE Conference
Piotr Kozikowski, Ekaterini Ioannou, Yannis Velegrakis, Francesco Guerra
2014 — conf
Access Control for Data Integration in Presence of Data Dependencies.
DASFAA (2)
Mehdi Haddad, Jovan Stevovic, Annamaria Chiasera, Yannis Velegrakis, Mohand-Said Hacid
2014 — conf
EMBench: Generating Entity-Related Benchmark Data.
ISWC (Posters & Demos)
Ekaterini Ioannou, Yannis Velegrakis
2014 J jnl
Exemplar Queries: Give me an Example of What You Need.
Proc. VLDB Endow.
Davide Mottin, Matteo Lissandrini, Yannis Velegrakis, Themis Palpanas
2014 — conf
IQR: an interactive query relaxation system for the empty-answer problem.
SIGMOD Conference
Davide Mottin, Alice Marascu, Senjuti Basu Roy, Gautam Das, Themis Palpanas, Yannis Velegrakis
2014 — ed.
Proceedings of the Workshop on Surfacing the Deep and the Social Web co-located with the 13th International Semantic Web Conference (ISWC 2014), Riva del Garda, Trentino, Italy, October 19, 2014.
SDSW@ISWC
Paulo Rupino da Cunha, Ngoc Thanh Nguyen, Omar Boucelma, Bogdan Cautis, Yannis Velegrakis
2014 — conf
Research Challenges and Avenues in Surfacing the Deep and the Social Web.
SDSW@ISWC
Paulo Rupino da Cunha, Ngoc Thanh Nguyen, Omar Boucelma, Bogdan Cautis, Yannis Velegrakis
2014 — conf
Searching with XQ: the exemplar query search engine.
SIGMOD Conference
Davide Mottin, Matteo Lissandrini, Yannis Velegrakis, Themis Palpanas
2014 — conf
Top-k Item Identification on Dynamic and Distributed Datasets.
Euro-Par
Alessio Guerrieri, Alberto Montresor, Yannis Velegrakis
2014 J jnl
Unleashing the Power of Information Graphs.
SIGMOD Rec.
Matteo Lissandrini, Davide Mottin, Themis Palpanas, Dimitra Papadimitriou, Yannis Velegrakis
2013 J jnl
A Probabilistic Optimization Framework for the Empty-Answer Problem.
Proc. VLDB Endow.
Davide Mottin, Alice Marascu, Senjuti Basu Roy, Gautam Das, Themis Palpanas, Yannis Velegrakis
2013 — conf
A query answering system for data with evolution relationships.
SIGMOD Conference
Siarhei Bykau, Flavio Rizzolo, Yannis Velegrakis
2013 J jnl
Entity ranking using click-log information.
Intell. Data Anal.
Davide Mottin, Themis Palpanas, Yannis Velegrakis
2013 J jnl
Front Matter.
Proc. VLDB Endow.
Themis Palpanas, Yannis Velegrakis
2013 J jnl
On Generating Benchmark Data for Entity Matching.
J. Data Semant.
Ekaterini Ioannou, Nataliya Rassadko, Yannis Velegrakis
2013 J jnl
QUEST: A Keyword Search System for Relational Data based on Semantic and Machine Learning Techniques.
Proc. VLDB Endow.
Sonia Bergamaschi, Francesco Guerra, Matteo Interlandi, Raquel Trillo Lado, Yannis Velegrakis
2013 J jnl
The Trento Big Data Platform for Public Administration and Large Companies: Use cases and Opportunities.
Proc. VLDB Endow.
Ivan Bedini, Benedikt Elser, Yannis Velegrakis
2013 — conf
Using a HMM based approach for mapping keyword queries into database terms.
SEBD
Sonia Bergamaschi, Francesco Guerra, Matteo Interlandi, Silvia Rota, Raquel Trillo, Yannis Velegrakis
2012 A* conf
Data Management Issues on the Semantic Web.
ICDE
Oktie Hassanzadeh, Anastasios Kementsietsidis, Yannis Velegrakis
2012 — ch.
Embracing Uncertainty in Entity Linking.
Semantic Search over the Web
Ekaterini Ioannou, Wolfgang Nejdl, Claudia Niederée, Yannis Velegrakis
2012 J jnl
Introduction to the Special Issue on Semantic Web Data Management.
Inf. Syst.
Roberto De Virgilio, Fausto Giunchiglia, Francesco Guerra, Letizia Tanca, Yannis Velegrakis
2012 J jnl
On Modeling and Querying Concept Evolution.
J. Data Semant.
Siarhei Bykau, John Mylopoulos, Flavio Rizzolo, Yannis Velegrakis
2012 — ed.
Proceedings of the 15th International Workshop on the Web and Databases 2012, WebDB 2012, Scottsdale, AZ, USA, May 20, 2012
WebDB
Zachary G. Ives, Yannis Velegrakis
2012 — book
Semantic Search over the Web
Roberto De Virgilio, Francesco Guerra, Yannis Velegrakis
2012 — ch.
Understanding the Semantics of Keyword Queries on Relational Data Without Accessing the Instance.
Semantic Search over the Web
Sonia Bergamaschi, Elton Domnori, Francesco Guerra, Silvia Rota, Raquel Trillo Lado, Yannis Velegrakis
2012 J jnl
dbTrento: the data and information management group at the University of Trento.
SIGMOD Rec.
Themis Palpanas, Yannis Velegrakis
2011 A conf
A Hidden Markov Model Approach to Keyword-Based Search over Relational Databases.
ER
Sonia Bergamaschi, Francesco Guerra, Silvia Rota, Yannis Velegrakis
2011 — ch.
Discovery and Correctness of Schema Mapping Transformations.
Schema Matching and Mapping
Angela Bonifati, Giansalvatore Mecca, Paolo Papotti, Yannis Velegrakis
2011 — conf
KEYRY: A Keyword-Based Search Engine over Relational Databases Based on a Hidden Markov Model.
ER Workshops
Sonia Bergamaschi, Francesco Guerra, Silvia Rota, Yannis Velegrakis
2011 — conf
Keyword search over relational databases: a metadata approach.
SIGMOD Conference
Sonia Bergamaschi, Elton Domnori, Francesco Guerra, Raquel Trillo Lado, Yannis Velegrakis
2011 — conf
Keyword-based Search in Data Integration Systems.
SEBD
Sonia Bergamaschi, Elton Domnori, Francesco Guerra, Raquel Trillo Lado, Yannis Velegrakis
2011 — conf
LinkDB: a probabilistic linkage database system.
SIGMOD Conference
Ekaterini Ioannou, Wolfgang Nejdl, Claudia Niederée, Yannis Velegrakis
2011 — ch.
On Evaluating Schema Matching and Mapping.
Schema Matching and Mapping
Zohra Bellahsene, Angela Bonifati, Fabien Duchateau, Yannis Velegrakis
2011 — ed.
Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2011, Athens, Greece, June 12-16, 2011
SIGMOD Conference
Timos K. Sellis, Renée J. Miller, Anastasios Kementsietsidis, Yannis Velegrakis
2011 B conf
Schema matching and mapping: from usage to evaluation.
EDBT
Angela Bonifati, Yannis Velegrakis
2011 A conf
Supporting queries spanning across phases of evolving artifacts using Steiner forests.
CIKM
Siarhei Bykau, John Mylopoulos, Flavio Rizzolo, Yannis Velegrakis
2011 B conf
The Papyrus Digital Library: Discovering History in the News.
TPDL
Akrivi Katifori, Charalampos Nikolaou, Manolis Platakis, Yannis E. Ioannidis, A. Tympas, Manolis Koubarakis, Nikos Sarris, V. Tountopoulos, Efstratios Tzoannos, Siarhei Bykau, Nadzeya Kiyavitskaya, Chrisa Tsinaraki, Yannis Velegrakis
2011 — conf
Understanding linked open data through keyword searching: the KEYRY approach.
EDBT/ICDT Workshop on Linked Web Data Management
Sonia Bergamaschi, Francesco Guerra, Silvia Rota, Yannis Velegrakis
2010 — conf
A Context-Based Model for the Interpretation of Polysemous Terms.
OTM Conferences (2)
Chrisa Tsinaraki, Yannis Velegrakis, Nadzeya Kiyavitskaya, John Mylopoulos
2010 — conf
Bridging the Gap between Heterogeneous and Semantically Diverse Content of Different Disciplines.
DEXA Workshops
Siarhei Bykau, Nadzeya Kiyavitskaya, Chrisa Tsinaraki, Yannis Velegrakis
2010 A* conf
Enabling entity-based aggregators for web 2.0 data.
WWW
Ekaterini Ioannou, Claudia Niederée, Yannis Velegrakis
2010 J jnl
Keymantic: Semantic Keyword-based Searching in Data Integration Systems.
Proc. VLDB Endow.
Sonia Bergamaschi, Elton Domnori, Francesco Guerra, Mirko Orsini, Raquel Trillo Lado, Yannis Velegrakis
2010 J jnl
On-the-Fly Entity-Aware Query Processing in the Presence of Linkage.
Proc. VLDB Endow.
Ekaterini Ioannou, Wolfgang Nejdl, Claudia Niederée, Yannis Velegrakis
2009 — conf
Clio: Schema Mapping Creation and Data Exchange.
Conceptual Modeling: Foundations and Applications
Ronald Fagin, Laura M. Haas, Mauricio A. Hernández, Renée J. Miller, Lucian Popa, Yannis Velegrakis
2009 A conf
Modeling Associations through Intensional Attributes.
ER
Andrea Presa, Yannis Velegrakis, Flavio Rizzolo, Siarhei Bykau
2009 A conf
Modeling Concept Evolution: A Historical Perspective.
ER
Flavio Rizzolo, Yannis Velegrakis, John Mylopoulos, Siarhei Bykau
2009 — ch.
Relational Technologies, Metadata and RDF.
Semantic Web Information Management
Yannis Velegrakis
2009 — ch.
Side-Effect-Free View Updates.
Encyclopedia of Database Systems
Yannis Velegrakis
2009 — ch.
Updates through Views.
Encyclopedia of Database Systems
Yannis Velegrakis
2008 J jnl
Comparing and evaluating mapping systems with STBenchmark.
Proc. VLDB Endow.
Bogdan Alexe, Wang Chiew Tan, Yannis Velegrakis
2008 — conf
Engineering Privacy Requirements in Business Intelligence Applications.
Secure Data Management
Annamaria Chiasera, Fabio Casati, Florian Daniel, Yannis Velegrakis
2008 — conf
Entity Data Management in OKKAM.
DEXA Workshops
Themis Palpanas, Junaid Ahsenali Chaudhry, Periklis Andritsos, Yannis Velegrakis
2008 — conf
Entity Identification on the Semantic Web.
SWAP
Alexis Morris, Yannis Velegrakis, Paolo Bouquet
2008 — ed.
Proceedings of the PhD Symposium at the 6th International Conference on Service Oriented Computing (ICSOC 2008), Sydney, Australia, 1 December 2008
ICSOC PhD Symposium
Hamid R. Motahari Nezhad, Farouk Toumani, Yannis Velegrakis
2008 J jnl
STBenchmark: towards a benchmark for mapping systems.
Proc. VLDB Endow.
Bogdan Alexe, Wang Chiew Tan, Yannis Velegrakis
2007 — conf
Intensional associations between data and metadata.
SIGMOD Conference
Divesh Srivastava, Yannis Velegrakis
2007 A* conf
MMS: Using Queries As Data Values for Metadata Management.
ICDE
Divesh Srivastava, Yannis Velegrakis
2007 A* conf
Using Queries to Associate Metadata with Data.
ICDE
Divesh Srivastava, Yannis Velegrakis
2006 A* conf
Updates Through Views: A New Hope.
ICDE
Yannis Kotidis, Divesh Srivastava, Yannis Velegrakis
2005 — —
Managing schema mappings in highly heterogeneous environments.
Yannis Velegrakis
2005 A* conf
Representing and Querying Data Transformations.
ICDE
Yannis Velegrakis, Renée J. Miller, John Mylopoulos
2004 J jnl
Kanata: Adaptation and Evolution in Data Sharing Systems.
SIGMOD Rec.
Periklis Andritsos, Ariel Fuxman, Anastasios Kementsietsidis, Renée J. Miller, Yannis Velegrakis
2004 J jnl
Preserving mapping consistency under schema changes.
VLDB J.
Yannis Velegrakis, Renée J. Miller, Lucian Popa
2004 A* conf
ToMAS: A System for Adapting Mappings while Schemas Evolve.
ICDE
Yannis Velegrakis, Renée J. Miller, Lucian Popa, John Mylopoulos
2003 A* conf
Mapping Adaptation under Evolving Schemas.
VLDB
Yannis Velegrakis, Renée J. Miller, Lucian Popa
2002 A* conf
Mapping XML and Relational Schemas with Clio.
ICDE
Mauricio A. Hernández, Lucian Popa, Yannis Velegrakis, Renée J. Miller, Felix Naumann, Ching-Tien Ho
2002 J jnl
Schema Management.
IEEE Data Eng. Bull.
Periklis Andritsos, Ronald Fagin, Ariel Fuxman, Laura M. Haas, Mauricio A. Hernández, C. T. Howard Ho, Anastasios Kementsietsidis, Renée J. Miller, Felix Naumann, Lucian Popa, Yannis Velegrakis, Charlotte Vilarem, Ling-Ling Yan
2002 A* conf
Translating Web Data.
VLDB
Lucian Popa, Yannis Velegrakis, Renée J. Miller, Mauricio A. Hernández, Ronald Fagin
2000 J jnl
On Z39.50 wrapping and description logics.
Int. J. Digit. Libr.
Yannis Velegrakis, Vassilis Christophides, Panos Constantopoulos
1999 — conf
Declarative Specification of Z39.50 Wrappers Using Description Logics.
ECDL
Yannis Velegrakis, Vassilis Christophides, Panos Constantopoulos