Vasilis Vassalos

Publication Activity (10 Years)

Years Active: 1997-2021
Publications (10 Years): 25

Top Topics

Data Integration

Medical Informatics

Quality Guarantees

Top Venues

OTM Conferences

Publications

Nantia Makrynioti, Vasilis Vassalos
Declarative Data Analytics: A Survey. IEEE Trans. Knowl. Data Eng. 33 (6) (2021)
Nantia Makrynioti, Ruy Ley-Wild, Vasilis Vassalos
Machine learning in SQL by translation to TensorFlow. DEEM@SIGMOD (2021)
Dimitris Fotakis, Ioannis Milis, Orestis Papadigenopoulos, Vasilis Vassalos, Georgios Zois
Scheduling MapReduce Jobs on Identical and Unrelated Processors. Theory Comput. Syst. 64 (5) (2020)
Nantia Makrynioti, Vasilis Vassalos
Declarative Data Analytics: a Survey. CoRR (2019)
Nantia Makrynioti, Ruy Ley-Wild, Vasilis Vassalos
sql4ml A declarative end-to-end workflow for machine learning. CoRR (2019)
Admir Demiraj, Kostis Karozos, Iosif Spartalis, Vasilis Vassalos
Meta-data management and quality control for the medical informatics platform. IDEAS (2019)
Despoina Trivela, Giorgos Stoilos, Vasilis Vassalos
Query Rewriting for DL Ontologies Under the ICAR Semantics. RuleML+RR (2019)
Nantia Makrynioti, Nikolaos Vasiloglou, Emir Pasalic, Vasilis Vassalos
Modelling Machine Learning Algorithms on Relational Data with Datalog. DEEM@SIGMOD (2018)
Despoina Trivela, Giorgos Stoilos, Vasilis Vassalos
A Framework and Positive Results for IAR-answering. AAAI (2018)
Kostis Karozos, Iosif Spartalis, Artem Tsikiridis, Despoina Trivela, Vasilis Vassalos
Integrating clinical data from hospital databases. SWH@ISWC (2018)
Despoina Trivela, Giorgos Stoilos, Vasilis Vassalos
Querying Expressive DL Ontologies under the ICAR Semantics. Description Logics (2018)
Tassos Venetis, Giorgos Stoilos, Vasilis Vassalos
Rewriting Minimizations for Efficient Query Answering over Ontologies. Int. J. Artif. Intell. Tools 26 (5) (2017)
Giorgos Stoilos, Despoina Trivela, Vasilis Vassalos, Tassos Venetis, Yannis Xarchakos
Enabling Data Integration Using MIPMap. DILS (2017)
Nantia Makrynioti, Andreas Grivas, Christos Sardianos, Nikos Tsirakis, Iraklis Varlamis, Vasilis Vassalos, Vassilis Poulopoulos, Panagiotis Tsantilas
PaloPro: a platform for knowledge extraction from big social data and the news. Int. J. Big Data Intell. 4 (1) (2017)
Nantia Makrynioti, Vasilis Vassalos
Towards an Analytics Query Engine. EDBT/ICDT Workshops (2016)
Georgios Zois, Antonios Michaloliakos, Konstantinos Psounis, Vasilis Vassalos, Ioannis Mourtos
Non-asymptotic performance bounds for downlink MU-MIMO scheduling. WONS (2016)
Tassos Venetis, Giorgos Stoilos, Vasilis Vassalos
Rewriting Minimisations for Efficient Ontology-Based Query Answering. ICTAI (2016)
Dimitris Fotakis, Ioannis Milis, Orestis Papadigenopoulos, Vasilis Vassalos, Georgios Zois
Scheduling MapReduce Jobs under Multi-Round Precedences. CoRR (2016)
Dimitris Fotakis, Ioannis Milis, Orestis Papadigenopoulos, Vasilis Vassalos, Georgios Zois
Scheduling MapReduce Jobs Under Multi-round Precedences. Euro-Par (2016)
Xristos Mallios, Vasilis Vassalos, Tassos Venetis, Akrivi Vlachou
A Framework for Clustering and Classification of Big Data Using Spark. OTM Conferences (2016)
Nikolaos Bozovic, Vasilis Vassalos
Two Phase User Driven Schema Matching. ADBIS (2015)
Tassos Venetis, Anastasia Ailamaki, Thomas Heinis, Manos Karpathiotakis, Ferath Kherif, Alexis Mitelpunkt, Vasilis Vassalos
Towards the Identification of Disease Signatures. BIH (2015)
Katerina Gkirtzou, Kostis Karozos, Vasilis Vassalos, Theodore Dalamagas
Keywords-To-SPARQL Translation for RDF Data Search and Exploration. TPDL (2015)
Tassos Venetis, Vasilis Vassalos
Data Integration in the Human Brain Project. DILS (2015)
Nantia Makrynioti, Vasilis Vassalos
Sentiment Extraction from Tweets: Multilingual Challenges. DaWaK (2015)
Nikos Giatrakos, Yannis Kotidis, Antonios Deligiannakis, Vasilis Vassalos, Yannis Theodoridis
In-network approximate computation of outliers with quality guarantees. Inf. Syst. 38 (8) (2013)
Asterios Katsifodimos, Ioana Manolescu, Vasilis Vassalos
Materialized view selection for XQuery workloads. SIGMOD Conference (2012)
Mihaela A. Bornea, Antonios Deligiannakis, Yannis Kotidis, Vasilis Vassalos
Semi-Streamed Index Join for near-real time execution of ETL transformations. ICDE (2011)
Haris Georgiadis, Minas Charalambides, Vasilis Vassalos
A query optimization assistant for XPath. EDBT (2011)
Ioana Manolescu, Konstantinos Karanasos, Vasilis Vassalos, Spyros Zoupanos
Efficient XQuery rewriting using multiple views. ICDE (2011)
Bogdan Cautis, Alin Deutsch, Nicola Onose, Vasilis Vassalos
Querying XML data sources that export very large sets of views. ACM Trans. Database Syst. 36 (1) (2011)
Pantelis Aravogliadis, Vasilis Vassalos
On Equivalence and Rewriting of XPath Queries Using Views under DTD Constraints. DEXA (2) (2011)
Nathan Bales, Alin Deutsch, Vasilis Vassalos
Score-consistent algebraic optimization of full-text search queries with GRAFT. SIGMOD Conference (2011)
Mihaela A. Bornea, Vasilis Vassalos, Yannis Kotidis, Antonios Deligiannakis
Adaptive Join Operators for Result Rate Optimization on Streaming Inputs. IEEE Trans. Knowl. Data Eng. 22 (8) (2010)
Yannis Katsis, Alin Deutsch, Yannis Papakonstantinou, Vasilis Vassalos
Inconsistency resolution in online databases. ICDE (2010)
Nikos Giatrakos, Yannis Kotidis, Antonios Deligiannakis, Vasilis Vassalos, Yannis Theodoridis
TACO: tunable approximate computation of outliers in wireless sensor networks. SIGMOD Conference (2010)
Haris Georgiadis, Minas Charalambides, Vasilis Vassalos
Efficient physical operators for cost-based XPath execution. EDBT (2010)
Mihaela A. Bornea, Vasilis Vassalos, Yannis Kotidis, Antonios Deligiannakis
Double Index NEsted-Loop Reactive Join for Result Rate Optimization. ICDE (2009)
Haris Georgiadis, Minas Charalambides, Vasilis Vassalos
Cost based plan selection for xpath. SIGMOD Conference (2009)
Dimitrios K. Vassilakis, Vasilis Vassalos
An analysis of peer-to-peer networks with altruistic peers. Peer-to-Peer Netw. Appl. 2 (2) (2009)
Bogdan Cautis, Alin Deutsch, Nicola Onose, Vasilis Vassalos
Efficient Rewriting of XPath Queries Using Query Set Specifications. Proc. VLDB Endow. 2 (1) (2009)
Antonios Deligiannakis, Yannis Kotidis, Vasilis Vassalos, Vassilis Stoumpos, Alex Delis
Another Outlier Bites the Dust: Computing Meaningful Aggregates in Sensor Networks. ICDE (2009)
Nikolaos Bozovic, Vasilis Vassalos
Two-phase schema matching in real world relational databases. ICDE Workshops (2008)
Iraklis Varlamis, Vasilis Vassalos, Antonis Palaios
Monitoring the evolution of interests in the blogosphere. ICDE Workshops (2008)
Antonios Deligiannakis, Vassilis Stoumpos, Yannis Kotidis, Vasilis Vassalos, Alex Delis
Outlier-Aware Data Aggregation in Sensor Networks. ICDE (2008)
Anish Das Sarma, Ander de Keijzer, Amol Deshpande, Peter J. Haas, Ihab F. Ilyas, Christoph Koch, Thomas Neumann, Dan Olteanu, Martin Theobald, Vasilis Vassalos
08421 Working Group: Classification, Representation and Modeling. Uncertainty Management in Information Systems (2008)
Dimitrios K. Vassilakis, Vasilis Vassalos
Modelling Real P2P Networks: The Effect of Altruism. Peer-to-Peer Computing (2007)
Haris Georgiadis, Vasilis Vassalos
Xpath on steroids: exploiting relational engines for xpath performance. SIGMOD Conference (2007)
Yannis Kotidis, Vasilis Vassalos, Antonios Deligiannakis, Vassilis Stoumpos, Alex Delis
Robust management of outliers in sensor network aggregate queries. MobiDE (2007)
Václav Lín, Vasilis Vassalos, Prodromos Malakasiotis
MiniCount: Efficient Rewriting of COUNT-Queries Using Views. ICDE (2006)
Haris Georgiadis, Vasilis Vassalos
Improving the Efficiency of XPath Execution on Relational Systems. EDBT (2006)
Michalis Petropoulos, Yannis Papakonstantinou, Vasilis Vassalos
Graphical query interfaces for semistructured data: the QURSED system. ACM Trans. Internet Techn. 5 (2) (2005)
Constantinos V. Katsaros, Ioannis L. Niarhos, Vasilis Vassalos
DAIMON: data integration for a mobile network. MobiDE (2005)
Vasilis Vassalos
Interesting Problems in Semantic Integration and Interoperability. Semantic Interoperability and Integration (2005)
Vasilis Vassalos
Corrigenda. ACM Trans. Internet Techn. 5 (3) (2005)
Minos N. Garofalakis, Ioana Manolescu, Marco Mesiti, George A. Mihaila, Ralf Schenkel, Bhavani M. Thuraisingham, Vasilis Vassalos
What's Next in XML and Databases? EDBT Workshops (2004)
Kenneth A. Ross, Peter A. Boncz, Ihab F. Ilyas, Volker Markl, Vasilis Vassalos
Reminiscences on Influential Papers. SIGMOD Rec. 33 (4) (2004)
Yannis Papakonstantinou, Vinayak R. Borkar, Maxim Orgiyan, Konstantinos Stathatos, Lucian Suta, Vasilis Vassalos, Pavel Velikhov
XML queries and algebra in the Enosys integration platform. Data Knowl. Eng. 44 (3) (2003)
Yannis Papakonstantinou, Vasilis Vassalos
Architecture and Implementation of an XQuery-based Information Integration Platform. IEEE Data Eng. Bull. 25 (1) (2002)
Yannis Papakonstantinou, Michalis Petropoulos, Vasilis Vassalos
QURSED: querying and reporting semistructured data. SIGMOD Conference (2002)
Michalis Petropoulos, Yannis Papakonstantinou, Vasilis Vassalos
Building XML query forms and reports with XQForms. Comput. Networks 39 (5) (2002)
Michalis Petropoulos, Vasilis Vassalos, Yannis Papakonstantinou
XML Query Forms (XQForms): Declarative Specification of XML Query Interfaces WWW (2001)
Yannis Papakonstantinou, Vasilis Vassalos
The Enosys Markets Data Integration Platform: Lessons from the Trenches. CIKM (2001)
Vasilis Vassalos, Yannis Papakonstantinou
Expressive Capabilities Description Languages and Query Rewriting Algorithms. J. Log. Program. 43 (1) (2000)
Yannis Papakonstantinou, Vasilis Vassalos
Query Rewriting for Semistructured Data. SIGMOD Conference (1999)
Serge Abiteboul, Jason McHugh, Michael Rys, Vasilis Vassalos, Janet L. Wiener
Incremental Maintenance for Materialized Views over Semistructured Data. VLDB (1998)
Chen Li, Ramana Yerneni, Vasilis Vassalos, Hector Garcia-Molina, Yannis Papakonstantinou, Jeffrey D. Ullman, Murty Valiveti
Capability Based Mediation in TSIMMIS. SIGMOD Conference (1998)
Vasilis Vassalos, Yannis Papakonstantinou
Describing and Using Query Capabilities of Heterogeneous Sources. VLDB (1997)
Hector Garcia-Molina, Yannis Papakonstantinou, Dallan Quass, Anand Rajaraman, Yehoshua Sagiv, Jeffrey D. Ullman, Vasilis Vassalos, Jennifer Widom
The TSIMMIS Approach to Mediation: Data Models and Languages. J. Intell. Inf. Syst. 8 (2) (1997)
Joachim Hammer, Hector Garcia-Molina, Svetlozar Nestorov, Ramana Yerneni, Markus M. Breunig, Vasilis Vassalos
Template-Based Wrappers in the TSIMMIS System. SIGMOD Conference (1997)