Yannis Velegrakis

Most-cited papers

Keyword search over relational databases: a metadata approach
S. Bergamaschi, Elton Domnori, Francesco Guerra, Raquel Trillo-Lado +1 more
2011ACM SIGMOD Conference112 citations Open access
Semantic Scholar
Exemplar Queries: Give me an Example of What You Need
D. Mottin, Matteo Lissandrini, Yannis Velegrakis, Themis Palpanas
2014Proceedings of the VLDB Endowment98 citations
Semantic Scholar
Exemplar queries: a new way of searching
D. Mottin, Matteo Lissandrini, Yannis Velegrakis, Themis Palpanas
2016The VLDB journal64 citations
Semantic Scholar
Beyond Macrobenchmarks: Microbenchmark-based Graph Database Evaluation
Matteo Lissandrini, Martin Brugnara, Yannis Velegrakis
2018Proceedings of the VLDB Endowment60 citations Open access
Semantic Scholar
A Probabilistic Optimization Framework for the Empty-Answer Problem
D. Mottin, Alice Marascu, Senjuti Basu Roy, Gautam Das +2 more
2013Proceedings of the VLDB Endowment55 citations Open access
Semantic Scholar
Distributed k-core decomposition and maintenance in large dynamic graphs
Sabeur Aridhi, Martin Brugnara, A. Montresor, Yannis Velegrakis
2016Distributed Event-Based Systems53 citations Open access
Semantic Scholar
New Trends on Exploratory Methods for Data Analytics
D. Mottin, Matteo Lissandrini, Yannis Velegrakis, Themis Palpanas
2017Proceedings of the VLDB Endowment48 citations Open access
Semantic Scholar
QUEST: A Keyword Search System for Relational Data based on Semantic and Machine Learning Techniques
S. Bergamaschi, Francesco Guerra, Matteo Interlandi, Raquel Trillo-Lado +1 more
2013Proceedings of the VLDB Endowment47 citations Open access
Semantic Scholar
On Generating Benchmark Data for Entity Matching
Ekaterini Ioannou, Nataliya Rassadko, Yannis Velegrakis
2013Journal on Data Semantics46 citations Open access
Semantic Scholar
Combining user and database perspective for solving keyword queries over relational databases
S. Bergamaschi, Francesco Guerra, Matteo Interlandi, Raquel Trillo-Lado +1 more
2016Information Systems44 citations Open access
Semantic Scholar
Graph-Query Suggestions for Knowledge Graph Exploration
Matteo Lissandrini, D. Mottin, Themis Palpanas, Yannis Velegrakis
2020The Web Conference42 citations Open access
Semantic Scholar
BLADYG: A Graph Processing Framework for Large Dynamic Graphs
Sabeur Aridhi, A. Montresor, Yannis Velegrakis
2017Big Data Research34 citations Open access
Semantic Scholar
A Hidden Markov Model Approach to Keyword-Based Search over Relational Databases
S. Bergamaschi, Francesco Guerra, Silvia Rota, Yannis Velegrakis
2011International Conference on Conceptual Modeling31 citations Open access
Semantic Scholar
Data Exploration Using Example-Based Methods
Matteo Lissandrini, D. Mottin, Themis Palpanas, Yannis Velegrakis
2018Synthesis Lectures on Data Management29 citations
Semantic Scholar
Fine-grained controversy detection in Wikipedia
Siarhei Bykau, F. Korn, Divesh Srivastava, Yannis Velegrakis
2015IEEE International Conference on Data Engineering26 citations Open access
Semantic Scholar
IQR: an interactive query relaxation system for the empty-answer problem
D. Mottin, Alice Marascu, Senjuti Basu Roy, Gautam Das +2 more
2014SIGMOD Conference26 citations
Semantic Scholar
Discovering Order Dependencies through Order Compatibility
Cristian Consonni, Paolo Sottovia, A. Montresor, Yannis Velegrakis
2019International Conference on Extending Database Technology25 citations
Semantic Scholar
Unleashing the Power of Information Graphs
Matteo Lissandrini, D. Mottin, Themis Palpanas, Dimitra Papadimitriou +1 more
2015SGMD22 citations Open access
Semantic Scholar
Estimating the extent of the effects of Data Quality through Observations
D. Foroni, Matteo Lissandrini, Yannis Velegrakis
2021IEEE International Conference on Data Engineering20 citations Open access
Semantic Scholar
Multi-Example Search in Rich Information Graphs
Matteo Lissandrini, D. Mottin, Themis Palpanas, Yannis Velegrakis
2018IEEE International Conference on Data Engineering19 citations Open access
Semantic Scholar
Finding Related Forum Posts through Content Similarity over Intention-Based Segmentation
Dimitra Papadimitriou, Georgia Koutrika, Yannis Velegrakis, J. Mylopoulos
2017IEEE Transactions on Knowledge and Data Engineering19 citations Open access
Semantic Scholar
Providing Insight into Data Source Topics
S. Bergamaschi, Davide Ferrari, Francesco Guerra, Giovanni Simonini +1 more
2016Journal on Data Semantics19 citations Open access
Semantic Scholar
Uniform Resource Identifier
Segev Wasserkrug, Nilesh N. Dalvi, E. Munson, M. Gogolla +7 more
2020Encyclopedia of Database Systems18 citations Open access
Semantic Scholar
Access Control for Data Integration in Presence of Data Dependencies
M. Haddad, Jovan Stevovic, Annamaria Chiasera, Yannis Velegrakis +1 more
2014International Conference on Database Systems for Advanced Applications18 citations Open access
Semantic Scholar
Searching with XQ: the exemplar query search engine
D. Mottin, Matteo Lissandrini, Yannis Velegrakis, Themis Palpanas
2014SIGMOD Conference16 citations
Semantic Scholar
Discovery and Correctness of Schema Mapping Transformations
A. Bonifati, G. Mecca, Paolo Papotti, Yannis Velegrakis
2011Schema Matching and Mapping16 citations
Semantic Scholar
Mining patterns in graphs with multiple weights
Giulia Preti, Matteo Lissandrini, D. Mottin, Yannis Velegrakis
2019Distributed and parallel databases15 citations Open access
Semantic Scholar
Entity ranking using click-log information
D. Mottin, Themis Palpanas, Yannis Velegrakis
2013Intelligent Data Analysis15 citations Open access
Semantic Scholar
Schema matching and mapping: from usage to evaluation
A. Bonifati, Yannis Velegrakis
2011EDBT/ICDT Workshops15 citations
Semantic Scholar
TuneR: Fine Tuning of Rule-based Entity Matchers
Matteo Paganelli, Paolo Sottovia, Francesco Guerra, Yannis Velegrakis
2019International Conference on Information and Knowledge Management14 citations Open access
Semantic Scholar
Moira: A Goal-Oriented Incremental Machine Learning Approach to Dynamic Resource Cost Estimation in Distributed Stream Processing Systems
D. Foroni, Cristian Axenie, S. Bortoli, Mohamad Al Hajj Hassan +4 more
2018Business Intelligence for the Real-Time Enterprises14 citations
Semantic Scholar
Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD
T. Sellis, Renée J. Miller, Anastasios Kementsietsidis, Yannis Velegrakis
201114 citations
Semantic Scholar
EMBench++: Data for a thorough benchmarking of matching-related methods
Ekaterini Ioannou, Yannis Velegrakis
2019Semantic Web13 citations
Semantic Scholar
X2Q: Your Personal Example-based Graph Explorer
Matteo Lissandrini, D. Mottin, Yannis Velegrakis, Themis Palpanas
2018Proceedings of the VLDB Endowment13 citations
Semantic Scholar
Example-based Search: a New Frontier for Exploratory Search
Matteo Lissandrini, D. Mottin, Themis Palpanas, Yannis Velegrakis
2019Annual International ACM SIGIR Conference on Research and Development in Information Retrieval12 citations Open access
Semantic Scholar
Semantic Search over the Web
R. D. Virgilio, F. Guerra, Yannis Velegrakis
2012Data-Centric Systems and Applications12 citations Open access
Semantic Scholar
Exploring the Data Wilderness through Examples
D. Mottin, Matteo Lissandrini, Yannis Velegrakis, Themis Palpanas
2019SIGMOD Conference11 citations Open access
Semantic Scholar
Beyond Frequencies: Graph Pattern Mining in Multi-weighted Graphs
Giulia Preti, Matteo Lissandrini, D. Mottin, Yannis Velegrakis
2018International Conference on Extending Database Technology10 citations
Semantic Scholar
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
J. Cardoso, Francesco Guerra, G. Houben, A. M. Pinto +1 more
201510 citations Open access
Semantic Scholar
Manipulation detection in cryptocurrency markets: an anomaly and change detection based approach
Olaf Kampers, A. Qahtan, S. Mathur, Yannis Velegrakis
2022ACM Symposium on Applied Computing8 citations Open access
Semantic Scholar
Social-Based Collaborative Filtering
Kostas Stefanidis, Eirini Ntoutsi, H. Kondylakis, Yannis Velegrakis
2018Encyclopedia of Social Network Analysis and Mining. 2nd Ed.8 citations
Semantic Scholar
BLADYG: A Novel Block-Centric Framework for the Analysis of Large Dynamic Graphs
Sabeur Aridhi, A. Montresor, Yannis Velegrakis
2016HPGP@HPDC8 citations
Semantic Scholar
A holistic and principled approach for the empty-answer problem
D. Mottin, Alice Marascu, Senjuti Basu Roy, Gautam Das +2 more
2016The VLDB journal8 citations
Semantic Scholar
The Trento Big Data Platform for Public Administration and Large Companies: Use cases and Opportunities
Ivan Bedini, Benedikt Elser, Yannis Velegrakis
2013Proceedings of the VLDB Endowment8 citations
Semantic Scholar
LinkDB: a probabilistic linkage database system
Ekaterini Ioannou, W. Nejdl, Claudia Niederée, Yannis Velegrakis
2011ACM SIGMOD Conference8 citations
Semantic Scholar
Goals in Social Media, information retrieval and intelligent agents
Dimitra Papadimitriou, Yannis Velegrakis, Georgia Koutrika, J. Mylopoulos
2015IEEE International Conference on Data Engineering7 citations
Semantic Scholar
KEYRY: A Keyword-Based Search Engine over Relational Databases Based on a Hidden Markov Model
S. Bergamaschi, Francesco Guerra, Silvia Rota, Yannis Velegrakis
2011ER Workshops7 citations Open access
Semantic Scholar
The Goal Behind the Action
Dimitra Papadimitriou, Georgia Koutrika, J. Mylopoulos, Yannis Velegrakis
2016ACM Transactions on Database Systems6 citations
Semantic Scholar
Entity-Based Keyword Search in Web Documents
Enrico Sartori, Yannis Velegrakis, Francesco Guerra
2016Transactions on Computational Collective Intelligence6 citations Open access
Semantic Scholar
Top-k Item Identification on Dynamic and Distributed Datasets
Alessio Guerrieri, A. Montresor, Yannis Velegrakis
2014European Conference on Parallel Processing6 citations Open access
Semantic Scholar