Vasilis Vassalos

According to our database, Vasilis Vassalos authored at least 78 papers between 1997 and 2024.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of three.

2024

Fraud detection with natural language processing.

Petros Boulieris, John Pavlopoulos, Alexandros Xenos, Vasilis Vassalos

Mach. Learn., July, 2024

2023

On the Design of GDPR Compliant Workflows for Responsible Neuroimage Data Sharing.

Alexandros Karakasidis, Vassilios Vassalos

Proceedings of the 9th International Conference on Information Systems Security and Privacy, 2023

2021

Declarative Data Analytics: A Survey.

Nantia Makrynioti, Vasilis Vassalos

IEEE Trans. Knowl. Data Eng., 2021

Machine learning in SQL by translation to TensorFlow.

Nantia Makrynioti, Ruy Ley-Wild, Vasilis Vassalos

Proceedings of the Fifth Workshop on Data Management for End-To-End Machine Learning, 2021

2020

Scheduling MapReduce Jobs on Identical and Unrelated Processors.

Dimitris Fotakis, Ioannis Milis, Orestis Papadigenopoulos, Vasilis Vassalos, Georgios Zois

Theory Comput. Syst., 2020

2019

sql4ml A declarative end-to-end workflow for machine learning.

Nantia Makrynioti, Ruy Ley-Wild, Vasilis Vassalos

CoRR, 2019

Query Rewriting for DL Ontologies Under the ICAR Semantics.

Despoina Trivela, Giorgos Stoilos, Vasilis Vassalos

Proceedings of the Rules and Reasoning - Third International Joint Conference, 2019

Meta-data management and quality control for the medical informatics platform.

Admir Demiraj, Kostis Karozos, Iosif Spartalis, Vasilis Vassalos

Proceedings of the 23rd International Database Applications & Engineering Symposium, 2019

2018

Answering Queries Using Views.

Vasilis Vassalos

Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

XML Tuple Algebra.

Ioana Manolescu, Yannis Papakonstantinou, Vasilis Vassalos

Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

XML Storage.

Denilson Barbosa, Philip Bohannon, Juliana Freire, Carl-Christian Kanne, Ioana Manolescu, Vasilis Vassalos, Masatoshi Yoshikawa

Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Modelling Machine Learning Algorithms on Relational Data with Datalog.

Nantia Makrynioti, Nikolaos Vasiloglou, Emir Pasalic, Vasilis Vassalos

Proceedings of the Second Workshop on Data Management for End-To-End Machine Learning, 2018

Integrating clinical data from hospital databases.

Kostis Karozos, Iosif Spartalis, Artem Tsikiridis, Despoina Trivela, Vasilis Vassalos

Proceedings of the First International Workshop on Semantic Web Technologies for Health Data Management, 2018

Querying Expressive DL Ontologies under the ICAR Semantics.

Despoina Trivela, Giorgos Stoilos, Vasilis Vassalos

Proceedings of the 31st International Workshop on Description Logics co-located with 16th International Conference on Principles of Knowledge Representation and Reasoning (KR 2018), Tempe, Arizona, US, October 27th - to, 2018

A Framework and Positive Results for IAR-answering.

Despoina Trivela, Giorgos Stoilos, Vasilis Vassalos

Proceedings of the Thirty-Second AAAI Conference on Artificial Intelligence, 2018

2017

PaloPro: a platform for knowledge extraction from big social data and the news.

Nantia Makrynioti, Andreas Grivas, Christos Sardianos, Nikos Tsirakis, Iraklis Varlamis, Vasilis Vassalos, Vassilis Poulopoulos, Panagiotis Tsantilas

Int. J. Big Data Intell., 2017

Rewriting Minimizations for Efficient Query Answering over Ontologies.

Tassos Venetis, Giorgos Stoilos, Vasilis Vassalos

Int. J. Artif. Intell. Tools, 2017

Enabling Data Integration Using MIPMap.

Giorgos Stoilos, Despoina Trivela, Vasilis Vassalos, Tassos Venetis, Yannis Xarchakos

Proceedings of the Data Integration in the Life Sciences - 12th International Conference, 2017

2016

Non-asymptotic performance bounds for downlink MU-MIMO scheduling.

Georgios Zois, Antonios Michaloliakos, Konstantinos Psounis, Vasilis Vassalos, Ioannis Mourtos

Proceedings of the 12th Annual Conference on Wireless On-demand Network Systems and Services, 2016

A Framework for Clustering and Classification of Big Data Using Spark.

Xristos Mallios, Vasilis Vassalos, Tassos Venetis, Akrivi Vlachou

Proceedings of the On the Move to Meaningful Internet Systems: OTM 2016 Conferences, 2016

Rewriting Minimisations for Efficient Ontology-Based Query Answering.

Tassos Venetis, Giorgos Stoilos, Vasilis Vassalos

Proceedings of the 28th IEEE International Conference on Tools with Artificial Intelligence, 2016

Scheduling MapReduce Jobs Under Multi-round Precedences.

Dimitris Fotakis, Ioannis Milis, Orestis Papadigenopoulos, Vasilis Vassalos, Georgios Zois

Proceedings of the Euro-Par 2016: Parallel Processing, 2016

Towards an Analytics Query Engine.

Nantia Makrynioti, Vasilis Vassalos

Proceedings of the Workshops of the EDBT/ICDT 2016 Joint Conference, 2016

2015

Keywords-To-SPARQL Translation for RDF Data Search and Exploration.

Katerina Gkirtzou, Kostis Karozos, Vasilis Vassalos, Theodore Dalamagas

Proceedings of the Research and Advanced Technology for Digital Libraries, 2015

Data Integration in the Human Brain Project.

Tassos Venetis, Vasilis Vassalos

Proceedings of the Data Integration in the Life Sciences - 11th International Conference, 2015

Sentiment Extraction from Tweets: Multilingual Challenges.

Nantia Makrynioti, Vasilis Vassalos

Proceedings of the Big Data Analytics and Knowledge Discovery, 2015

Towards the Identification of Disease Signatures.

Tassos Venetis, Anastasia Ailamaki, Thomas Heinis, Manos Karpathiotakis, Ferath Kherif, Alexis Mitelpunkt, Vasilis Vassalos

Proceedings of the Brain Informatics and Health - 8th International Conference, 2015

Two Phase User Driven Schema Matching.

Nikolaos Bozovic, Vasilis Vassalos

Proceedings of the Advances in Databases and Information Systems, 2015

2013

In-network approximate computation of outliers with quality guarantees.

Nikos Giatrakos, Yannis Kotidis, Antonios Deligiannakis, Vasilis Vassalos, Yannis Theodoridis

Inf. Syst., 2013

Designing and Developing a Business Continuity Plan Based on Collective Intelligence.

Efstathios Fasolis, Vassilios Vassalos, Angelika I. Kokkinaki

Proceedings of the Collaborative, Trusted and Privacy-Aware e/m-Services, 2013

2012

Materialized view selection for XQuery workloads.

Asterios Katsifodimos, Ioana Manolescu, Vasilis Vassalos

Proceedings of the ACM SIGMOD International Conference on Management of Data, 2012

2011

Querying XML data sources that export very large sets of views.

Bogdan Cautis, Alin Deutsch, Nicola Onose, Vasilis Vassalos

ACM Trans. Database Syst., 2011

Score-consistent algebraic optimization of full-text search queries with GRAFT.

Nathan Bales, Alin Deutsch, Vasilis Vassalos

Proceedings of the ACM SIGMOD International Conference on Management of Data, 2011

Efficient XQuery rewriting using multiple views.

Ioana Manolescu, Konstantinos Karanasos, Vasilis Vassalos, Spyros Zoupanos

Proceedings of the 27th International Conference on Data Engineering, 2011

Semi-Streamed Index Join for near-real time execution of ETL transformations.

Mihaela A. Bornea, Antonios Deligiannakis, Yannis Kotidis, Vasilis Vassalos

Proceedings of the 27th International Conference on Data Engineering, 2011

A query optimization assistant for XPath.

Haris Georgiadis, Minas Charalambides, Vasilis Vassalos

Proceedings of the EDBT 2011, 2011

On Equivalence and Rewriting of XPath Queries Using Views under DTD Constraints.

Pantelis Aravogliadis, Vasilis Vassalos

Proceedings of the Database and Expert Systems Applications, 2011

2010

Adaptive Join Operators for Result Rate Optimization on Streaming Inputs.

Mihaela A. Bornea, Vasilis Vassalos, Yannis Kotidis, Antonios Deligiannakis

IEEE Trans. Knowl. Data Eng., 2010

TACO: tunable approximate computation of outliers in wireless sensor networks.

Nikos Giatrakos, Yannis Kotidis, Antonios Deligiannakis, Vasilis Vassalos, Yannis Theodoridis

Proceedings of the ACM SIGMOD International Conference on Management of Data, 2010

Inconsistency resolution in online databases.

Yannis Katsis, Alin Deutsch, Yannis Papakonstantinou, Vasilis Vassalos

Proceedings of the 26th International Conference on Data Engineering, 2010

Efficient physical operators for cost-based XPath execution.

Haris Georgiadis, Minas Charalambides, Vasilis Vassalos

Proceedings of the EDBT 2010, 2010

2009

Answering Queries Using Views.

Vasilis Vassalos

Proceedings of the Encyclopedia of Database Systems, 2009

XML Tuple Algebra.

Ioana Manolescu, Yannis Papakonstantinou, Vasilis Vassalos

Proceedings of the Encyclopedia of Database Systems, 2009

XML Storage.

Denilson Barbosa, Philip Bohannon, Juliana Freire, Carl-Christian Kanne, Ioana Manolescu, Vasilis Vassalos, Masatoshi Yoshikawa

Proceedings of the Encyclopedia of Database Systems, 2009

Efficient Rewriting of XPath Queries Using Query Set Specifications.

Bogdan Cautis, Alin Deutsch, Nicola Onose, Vasilis Vassalos

Proc. VLDB Endow., 2009

An analysis of peer-to-peer networks with altruistic peers.

Dimitrios K. Vassilakis, Vasilis Vassalos

Peer-to-Peer Netw. Appl., 2009

Cost based plan selection for xpath.

Haris Georgiadis, Minas Charalambides, Vasilis Vassalos

Proceedings of the ACM SIGMOD International Conference on Management of Data, 2009

Another Outlier Bites the Dust: Computing Meaningful Aggregates in Sensor Networks.

Antonios Deligiannakis, Yannis Kotidis, Vasilis Vassalos, Vassilis Stoumpos, Alex Delis

Proceedings of the 25th International Conference on Data Engineering, 2009

Double Index NEsted-Loop Reactive Join for Result Rate Optimization.

Mihaela A. Bornea, Vasilis Vassalos, Yannis Kotidis, Antonios Deligiannakis

Proceedings of the 25th International Conference on Data Engineering, 2009

2008

Monitoring the evolution of interests in the blogosphere.

Iraklis Varlamis, Vasilis Vassalos, Antonis Palaios

Proceedings of the 24th International Conference on Data Engineering Workshops, 2008

Outlier-Aware Data Aggregation in Sensor Networks.

Antonios Deligiannakis, Vassilis Stoumpos, Yannis Kotidis, Vasilis Vassalos, Alex Delis

Proceedings of the 24th International Conference on Data Engineering, 2008

Two-phase schema matching in real world relational databases.

Nikolaos Bozovic, Vasilis Vassalos

Proceedings of the 24th International Conference on Data Engineering Workshops, 2008

08421 Working Group: Classification, Representation and Modeling.

Anish Das Sarma, Ander de Keijzer, Amol Deshpande, Peter J. Haas, Ihab F. Ilyas, Christoph Koch, Thomas Neumann, Dan Olteanu, Martin Theobald, Vasilis Vassalos

Proceedings of the Uncertainty Management in Information Systems, 12.10. - 17.10.2008, 2008

2007

Xpath on steroids: exploiting relational engines for xpath performance.

Haris Georgiadis, Vasilis Vassalos

Proceedings of the ACM SIGMOD International Conference on Management of Data, 2007

Modelling Real P2P Networks: The Effect of Altruism.

Dimitrios K. Vassilakis, Vasilis Vassalos

Proceedings of the Seventh IEEE International Conference on Peer-to-Peer Computing (P2P 2007), 2007

Robust management of outliers in sensor network aggregate queries.

Yannis Kotidis, Vasilis Vassalos, Antonios Deligiannakis, Vassilis Stoumpos, Alex Delis

Proceedings of the Sixth ACM International Workshop on Data Engineering for Wireless and Mobile Access, 2007

2006

MiniCount: Efficient Rewriting of COUNT-Queries Using Views.

Václav Lín, Vasilis Vassalos, Prodromos Malakasiotis

Proceedings of the 22nd International Conference on Data Engineering, 2006

Improving the Efficiency of XPath Execution on Relational Systems.

Haris Georgiadis, Vasilis Vassalos

Proceedings of the Advances in Database Technology, 2006

2005

Corrigenda.

Vasilis Vassalos

ACM Trans. Internet Techn., 2005

Graphical query interfaces for semistructured data: the QURSED system.

Michalis Petropoulos, Yannis Papakonstantinou, Vasilis Vassalos

ACM Trans. Internet Techn., 2005

DAIMON: data integration for a mobile network.

Constantinos V. Katsaros, Ioannis L. Niarhos, Vasilis Vassalos

Proceedings of the 4th ACM International Workshop on Data Engineering for Wireless and Mobile Access, 2005

Interesting Problems in Semantic Integration and Interoperability.

Vasilis Vassalos

Proceedings of the Semantic Interoperability and Integration, 2005

2004

Reminiscences on Influential Papers.

Kenneth A. Ross, Peter A. Boncz, Ihab F. Ilyas, Volker Markl, Vasilis Vassalos

SIGMOD Rec., 2004

What's Next in XML and Databases?

Minos N. Garofalakis, Ioana Manolescu, Marco Mesiti, George A. Mihaila, Ralf Schenkel, Bhavani Thuraisingham, Vasilis Vassalos

Proceedings of the Current Trends in Database Technology - EDBT 2004 Workshops, 2004

2003

XML queries and algebra in the Enosys integration platform.

Yannis Papakonstantinou, Vinayak R. Borkar, Maxim Orgiyan, Konstantinos Stathatos, Lucian Suta, Vasilis Vassalos, Pavel E. Velikhov

Data Knowl. Eng., 2003

2002

Architecture and Implementation of an XQuery-based Information Integration Platform.

Yannis Papakonstantinou, Vasilis Vassalos

IEEE Data Eng. Bull., 2002

Building XML query forms and reports with XQForms.

Michalis Petropoulos, Yannis Papakonstantinou, Vasilis Vassalos

Comput. Networks, 2002

QURSED: querying and reporting semistructured data.

Yannis Papakonstantinou, Michalis Petropoulos, Vasilis Vassalos

Proceedings of the 2002 ACM SIGMOD International Conference on Management of Data, 2002

2001

XML Query Forms (XQForms): Declarative Specification of XML Query Interfaces

Michalis Petropoulos, Vasilis Vassalos, Yannis Papakonstantinou

Proceedings of the Tenth International World Wide Web Conference, 2001

The Enosys Markets Data Integration Platform: Lessons from the Trenches.

Yannis Papakonstantinou, Vasilis Vassalos

Proceedings of the 2001 ACM CIKM International Conference on Information and Knowledge Management, 2001

2000

Querying autonomous, heterogeneous information sources.

Vasilis Vassalos

PhD thesis, 2000

Expressive Capabilities Description Languages and Query Rewriting Algorithms.

Vasilis Vassalos, Yannis Papakonstantinou

J. Log. Program., 2000

1999

Query Rewriting for Semistructured Data.

Yannis Papakonstantinou, Vasilis Vassalos

Proceedings of the SIGMOD 1999, 1999

1998

Incremental Maintenance for Materialized Views over Semistructured Data.

Serge Abiteboul, Jason McHugh, Michael Rys, Vasilis Vassalos, Janet L. Wiener

Proceedings of the VLDB'98, 1998

Capability Based Mediation in TSIMMIS.

Chen Li, Ramana Yerneni, Vasilis Vassalos, Hector Garcia-Molina, Yannis Papakonstantinou, Jeffrey D. Ullman, Murty Valiveti

Proceedings of the SIGMOD 1998, 1998

1997

The TSIMMIS Approach to Mediation: Data Models and Languages.

Hector Garcia-Molina, Yannis Papakonstantinou, Dallan Quass, Anand Rajaraman, Yehoshua Sagiv, Jeffrey D. Ullman, Vasilis Vassalos, Jennifer Widom

J. Intell. Inf. Syst., 1997

Describing and Using Query Capabilities of Heterogeneous Sources.

Vasilis Vassalos, Yannis Papakonstantinou

Proceedings of the VLDB'97, 1997

Template-Based Wrappers in the TSIMMIS System.

Joachim Hammer, Hector Garcia-Molina, Svetlozar Nestorov, Ramana Yerneni, Markus M. Breunig, Vasilis Vassalos

Proceedings of the SIGMOD 1997, 1997