Vassilis Christophides

According to our database, Vassilis Christophides authored at least 137 papers between 1993 and 2024.

Collaborative distances:

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

2024

Do We Really Need Imputation in AutoML Predictive Modeling?

George Paterakis, Stefanos Fafalios, Paulos Charonyktakis, Vassilis Christophides, Ioannis Tsamardinos

ACM Trans. Knowl. Discov. Data, July, 2024

Adaptive Scheduling of Continuous Operators for IoT Edge Analytics.

Patient Ntumba, Nikolaos Georgantas, Vassilis Christophides

Future Gener. Comput. Syst., 2024

HybEA: Hybrid Attention Models for Entity Alignment.

Nikolaos Fanourakis, Fatia Lekbour, Vasilis Efthymiou, Guillaume Renton, Vassilis Christophides

CoRR, 2024

Sales Forecasting for Pricing Strategies Based on Time Series and Learning Techniques.

Jean-Christophe Ricklin, Ines Ben Amor, Raïd Mansi, Vassilis Christophides, Hajer Baazaoui Zghal

Proceedings of the 16th International Conference on Agents and Artificial Intelligence, 2024

AutoML for Explainable Anomaly Detection (XAD).

Nikolaos Myrtakis, Ioannis Tsamardinos, Vassilis Christophides

Proceedings of the Provenance of Elegance in Computation - Essays Dedicated to Val Tannen, 2024

2023

Knowledge graph embedding methods for entity alignment: experimental review.

Nikolaos Fanourakis, Vasilis Efthymiou, Dimitris Kotzinos, Vassilis Christophides

Data Min. Knowl. Discov., September, 2023

A meta-level analysis of online anomaly detectors.

Antonios Ntroumpogiannis, Michail Giannoulis, Nikolaos Myrtakis, Vassilis Christophides, Eric Simon, Ioannis Tsamardinos

VLDB J., July, 2023

Fairness-Aware and Explainable Entity Resolution.

Nikolaos Fanourakis, Christos Kontousias, Vasilis Efthymiou, Vassilis Christophides, Dimitris Plexousakis

Proceedings of the ISWC 2023 Posters, 2023

SeeABLE: Soft Discrepancies and Bounded Contrastive Learning for Exposing Deepfakes.

Nicolas Larue, Ngoc-Son Vu, Vitomir Struc, Peter Peer, Vassilis Christophides

Proceedings of the IEEE/CVF International Conference on Computer Vision, 2023

Structural Bias in Knowledge Graphs for the Entity Alignment Task.

Nikolaos Fanourakis, Vasilis Efthymiou, Vassilis Christophides, Dimitris Kotzinos, Evaggelia Pitoura, Kostas Stefanidis

Proceedings of the Semantic Web - 20th International Conference, 2023

2022

Knowledge Graph Embedding Methods for Entity Alignment: An Experimental Review.

Nikolaos Fanourakis, Vasilis Efthymiou, Dimitris Kotzinos, Vassilis Christophides

CoRR, 2022

Scheduling Continuous Operators for IoT edge Analytics with Time Constraints.

Patient Ntumba, Nikolaos Georgantas, Vassilis Christophides

Proceedings of the 2022 IEEE International Conference on Smart Computing, 2022

2021

An Overview of End-to-End Entity Resolution for Big Data.

Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis

ACM Comput. Surv., 2021

On Predictive Explanation of Data Anomalies.

Nikolaos Myrtakis, Ioannis Tsamardinos, Vassilis Christophides

CoRR, 2021

PROTEUS: Predictive Explanation of Anomalies.

Nikolaos Myrtakis, Ioannis Tsamardinos, Vassilis Christophides

Proceedings of the 37th IEEE International Conference on Data Engineering, 2021

Face Liveness Detection Competition (LivDet-Face) - 2021.

Sandip Purnapatra, Nic Smalt, Keivan Bahmani, Priyanka Das, David Yambay, Amir Mohammadi, Anjith George, Thirimachos Bourlai, Sébastien Marcel, Stephanie Schuckers, Meiling Fang, Naser Damer, Fadi Boutros, Arjan Kuijper, Alperen Kantarci, Basar Demir, Zafer Yildiz, Zabi Ghafoory, Hasan Dertli, Hazim Kemal Ekenel, Son Vu, Vassilis Christophides, Dashuang Liang, Guanghao Zhang, Zhanlong Hao, Junfu Liu, Yufeng Jin, Samo Liu, Samuel Huang, Salieri Kuei, Jag Mohan Singh, Raghavendra Ramachandra

Proceedings of the International IEEE Joint Conference on Biometrics, 2021

Efficient Scheduling of Streaming Operators for IoT Edge Analytics.

Patient Ntumba, Nikolaos Georgantas, Vassilis Christophides

Proceedings of the Sixth International Conference on Fog and Mobile Edge Computing, 2021

Scheduling Continuous Operators for IoT Edge Analytics.

Patient Ntumba, Nikolaos Georgantas, Vassilis Christophides

Proceedings of the EdgeSys@EuroSys 2021: 4th International Workshop on Edge Systems, 2021

A Comparative Evaluation of Anomaly Explanation Algorithms.

Nikolaos Myrtakis, Vassilis Christophides, Eric Simon

Proceedings of the 24th International Conference on Extending Database Technology, 2021

FairER: Entity Resolution With Fairness Constraints.

Vasilis Efthymiou, Kostas Stefanidis, Evaggelia Pitoura, Vassilis Christophides

Proceedings of the CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1, 2021

2020

Benchmarking Blocking Algorithms for Web Entities.

Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides

IEEE Trans. Big Data, 2020

Implications of the Multi-Modality of User Perceived Page Load Time.

Flavia Salutari, Diego N. da Hora, Matteo Varvello, Renata Teixeira, Vassilis Christophides, Dario Rossi

Proceedings of the Mediterranean Communication and Computer Networking Conference, 2020

Putting the Human Back in the AutoML Loop.

Iordanis Xanthopoulos, Ioannis Tsamardinos, Vassilis Christophides, Eric Simon, Alejandro Salinger

Proceedings of the Workshops of the EDBT/ICDT 2020 Joint Conference, 2020

2019

A greedy feature selection algorithm for Big Data of high dimensionality.

Ioannis Tsamardinos, Giorgos Borboudakis, Pavlos Katsogridakis, Polyvios Pratikakis, Vassilis Christophides

Mach. Learn., 2019

End-to-End Entity Resolution for Big Data: A Survey.

Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis

CoRR, 2019

Detecting Mobile Crowdsensing Context in the Wild.

Rachit Agarwal, Shaan Chopra, Vassilis Christophides, Nikolaos Georgantas, Valérie Issarny

Proceedings of the 20th IEEE International Conference on Mobile Data Management, 2019

MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities.

Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides

Proceedings of the Advances in Database Technology, 2019

2018

Resource Description Framework (RDF) Schema (RDFS).

Vassilis Christophides

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

Temporal Analytics in Social Media.

Sihem Amer-Yahia, Themis Palpanas, Mikalai Tsytsarau, Sofia Kleisarchaki, Ahlame Douzal, Vassilis Christophides

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

A practical method for measuring Web above-the-fold time.

Diego N. da Hora, Dario Rossi, Vassilis Christophides, Renata Teixeira

Proceedings of the ACM SIGCOMM 2018 Conference on Posters and Demos, 2018

Narrowing the Gap Between QoS Metrics and Web QoE Using Above-the-fold Metrics.

Diego Neves da Hora, Alemnew Sheferaw Asrese, Vassilis Christophides, Renata Teixeira, Dario Rossi

Proceedings of the Passive and Active Measurement - 19th International Conference, 2018

Simplifying Entity Resolution on Web Data with Schema-Agnostic, Non-Iterative Matching.

Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides

Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

2017

Massively-Parallel Feature Selection for Big Data.

Ioannis Tsamardinos, Giorgos Borboudakis, Pavlos Katsogridakis, Polyvios Pratikakis, Vassilis Christophides

CoRR, 2017

Matching Web Tables with Knowledge Base Entities: From Entity Lookups to Entity Embeddings.

Vasilis Efthymiou, Oktie Hassanzadeh, Mariano Rodriguez-Muro, Vassilis Christophides

Proceedings of the Semantic Web - ISWC 2017, 2017

Extracting usage patterns of home IoT devices.

Gevorg Poghosyan, Ioannis Pefkianakis, Pascal Le Guyadec, Vassilis Christophides

Proceedings of the 2017 IEEE Symposium on Computers and Communications, 2017

Web-Scale Blocking, Iterative and Progressive Entity Resolution.

Kostas Stefanidis, Vassilis Christophides, Vasilis Efthymiou

Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

2016

Content-Based Publish/Subscribe System for Web Syndication.

Zeinab Hmedeh, Harris Kourdounakis, Vassilis Christophides, Cédric du Mouza, Michel Scholl, Nicolas Travers

J. Comput. Sci. Technol., 2016

Algebraic Structures for Capturing the Provenance of SPARQL Queries.

Floris Geerts, Thomas Unger, Grigoris Karvounarakis, Irini Fundulaki, Vassilis Christophides

J. ACM, 2016

Continuous Top-k Queries over Real-Time Web Streams.

Nelly Vouzoukidou, Bernd Amann, Vassilis Christophides

CoRR, 2016

Querying Temporal Drifts at Multiple Granularities (Technical Report).

Sofia Kleisarchaki, Sihem Amer-Yahia, Ahlame Douzal Chouakria, Vassilis Christophides

CoRR, 2016

Towards a causal analysis of Video QoE from Network and Application QoS.

Michalis Katsarakis, Renata Cruz Teixeira, Maria Papadopouli, Vassilis Christophides

Proceedings of the 2016 workshop on QoE-based Analysis and Management of Data Communication Networks, 2016

Characterizing Home Device Usage From Wireless Traffic Time Series.

Katsiaryna Mirylenka, Vassilis Christophides, Themis Palpanas, Ioannis Pefkianakis, Martin May

Proceedings of the 19th International Conference on Extending Database Technology, 2016

Minoan ER: Progressive Entity Resolution in the Web of Data.

Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides

Proceedings of the 19th International Conference on Extending Database Technology, 2016

Mining Usage Patterns in Residential Intranet of Things.

Gevorg Poghosyan, Ioannis Pefkianakis, Pascal Le Guyadec, Vassilis Christophides

Proceedings of the 7th International Conference on Ambient Systems, 2016

2015

Entity Resolution in the Web of Data

Vassilis Christophides, Vasilis Efthymiou, Kostas Stefanidis

Synthesis Lectures on the Semantic Web: Theory and Technology, Morgan & Claypool Publishers, ISBN: 978-3-031-79468-1, 2015

Report on the First International Workshop on Personal Data Analytics in the Internet of Things (PDA@IOT 2014).

Vassilis Christophides, Themis Palpanas

SIGMOD Rec., 2015

Querying Temporal Drifts at Multiple Granularities.

Sofia Kleisarchaki, Sihem Amer-Yahia, Ahlame Douzal Chouakria, Vassilis Christophides

Proceedings of the 24th ACM International Conference on Information and Knowledge Management, 2015

Big data entity resolution: From highly to somehow similar entity descriptions in the Web.

Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides

Proceedings of the 2015 IEEE International Conference on Big Data (IEEE BigData 2015), Santa Clara, CA, USA, October 29, 2015

2014

RSS feeds behavior analysis, structure and vocabulary.

Nicolas Travers, Zeinab Hmedeh, Nelly Vouzoukidou, Cédric du Mouza, Vassilis Christophides, Michel Scholl

Int. J. Web Inf. Syst., 2014

Uncertainty-Aware Sensor Data Management and Early Warning for Monitoring Industrial Infrastructures.

George Tzagkarakis, Aleka Seliniotaki, Vassilis Christophides, Panagiotis Tsakalides

Int. J. Monit. Surveillance Technol. Res., 2014

Entity resolution in the web of data.

Kostas Stefanidis, Vasilis Efthymiou, Melanie Herschel, Vassilis Christophides

Proceedings of the 23rd International World Wide Web Conference, 2014

Stream correlation monitoring for uncertainty-aware data processing systems.

Aleka Seliniotaki, George Tzagkarakis, Vassilis Christophides, Panagiotis Tsakalides

Proceedings of the 5th International Conference on Information, 2014

MeowsReader: Real-Time Ranking and Filtering of News with Generalized Continuous Top-k Queries.

Nelly Vouzoukidou, Bernd Amann, Vassilis Christophides

Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, 2014

2013

High-level change detection in RDF(S) KBs.

Vicky Papavasileiou, Giorgos Flouris, Irini Fundulaki, Dimitris Kotzinos, Vassilis Christophides

ACM Trans. Database Syst., 2013

Formal foundations for RDF/S KB evolution.

Giorgos Flouris, George Konstantinidis, Grigoris Antoniou, Vassilis Christophides

Knowl. Inf. Syst., 2013

Techniques d'indexation de souscriptions pour la syndication web.

Zeinab Hmedeh, Harris Kourdounakis, Vassilis Christophides, Cédric du Mouza, Michel Scholl, Nicolas Travers

Ingénierie des Systèmes d Inf., 2013

Algebraic structures for capturing the provenance of SPARQL queries.

Floris Geerts, Grigoris Karvounarakis, Vassilis Christophides, Irini Fundulaki

Proceedings of the Joint 2013 EDBT/ICDT Conferences, 2013

Provenance for Linked Data.

Grigoris Karvounarakis, Irini Fundulaki, Vassilis Christophides

Proceedings of the In Search of Elegance in the Theory and Practice of Computation, 2013

2012

RoSeS, un moteur de requêtes continues pour la syndication RSS à large échelle.

Jordi Creus Tomàs, Bernd Amann, Vassilis Christophides, Nicolas Travers, Dan Vodislav

Ingénierie des Systèmes d Inf., 2012

PoweRGen: A power-law based generator of RDFS schemas.

Yannis Theoharis, George F. Georgakopoulos, Vassilis Christophides

Inf. Syst., 2012

Diachronic Linked Data: Towards Long-Term Preservation of Structured Interrelated Information

Yannis Stavrakas, George Papastefanatos, Theodore Dalamagas, Vassilis Christophides

CoRR, 2012

Diachronic linked data: towards long-term preservation of structured interrelated information.

Sören Auer, Theodore Dalamagas, Helen E. Parkinson, François Bancilhon, Giorgos Flouris, Dimitris Sacharidis, Peter Buneman, Dimitris Kotzinos, Yannis Stavrakas, Vassilis Christophides, George Papastefanatos, Kostas Thiveos

Proceedings of the International Workshop on Open Data, 2012

A Methodological Framework for Statistical Analysis of Social Text Streams.

Sophia Kleisarchaki, Dimitris Kotzinos, Ioannis Tsamardinos, Vassilis Christophides

Proceedings of the Information Search, Integration and Personalization, 2012

Heuristics-based query optimisation for SPARQL.

Petros Tsialiamanis, Lefteris Sidirourgos, Irini Fundulaki, Vassilis Christophides, Peter A. Boncz

Proceedings of the 15th International Conference on Extending Database Technology, 2012

Subscription indexes for web syndication systems.

Zeinab Hmedeh, Harris Kourdounakis, Vassilis Christophides, Cédric du Mouza, Michel Scholl, Nicolas Travers

Proceedings of the 15th International Conference on Extending Database Technology, 2012

Processing continuous text queries featuring non-homogeneous scoring functions.

Nelly Vouzoukidou, Bernd Amann, Vassilis Christophides

Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

2011

On Computing Deltas of RDF/S Knowledge Bases.

Dimitris Zeginis, Yannis Tzitzikas, Vassilis Christophides

ACM Trans. Web, 2011

On Provenance of Queries on Semantic Web Data.

Yannis Theoharis, Irini Fundulaki, Grigoris Karvounarakis, Vassilis Christophides

IEEE Internet Comput., 2011

Characterizing Web Syndication Behavior and Content.

Zeinab Hmedeh, Nelly Vouzoukidou, Nicolas Travers, Vassilis Christophides, Cédric du Mouza, Michel Scholl

Proceedings of the Web Information System Engineering - WISE 2011, 2011

2010

Knowledge Management for Digital Preservation.

Yannis Tzitzikas, Vassilis Christophides

ERCIM News, 2010

2009

Resource Description Framework (RDF) Schema (RDFS).

Vassilis Christophides

Proceedings of the Encyclopedia of Database Systems, 2009

On Detecting High-Level Changes in RDF/S KBs.

Vicky Papavassiliou, Giorgos Flouris, Irini Fundulaki, Dimitris Kotzinos, Vassilis Christophides

Proceedings of the Semantic Web - ISWC 2009, 8th International Semantic Web Conference, 2009

Coloring RDF Triples to Capture Provenance.

Giorgos Flouris, Irini Fundulaki, Panagiotis Pediaditis, Yannis Theoharis, Vassilis Christophides

Proceedings of the Semantic Web - ISWC 2009, 8th International Semantic Web Conference, 2009

On Explicit Provenance Management in RDF/S Graphs.

Panagiotis Pediaditis, Giorgos Flouris, Irini Fundulaki, Vassilis Christophides

Proceedings of the First Workshop on the Theory and Practice of Provenance, 2009

Mediating RDF/S Queries to Relational and XML Sources.

Ioanna Koffina, Giorgos Serfiotis, Vassilis Christophides, Val Tannen

Proceedings of the Database Technologies: Concepts, 2009

2008

On Graph Features of Semantic Web Schemas.

Yannis Theoharis, Yannis Tzitzikas, Dimitris Kotzinos, Vassilis Christophides

IEEE Trans. Knowl. Data Eng., 2008

Indexing views to route queries in a PDMS.

Lefteris Sidirourgos, Giorgos Kokkinidis, Theodore Dalamagas, Vassilis Christophides, Timos K. Sellis

Distributed Parallel Databases, 2008

Efficient Rewriting Algorithms for Preference Queries.

Periklis Georgiadis, Ioannis Kapantaidakis, Vassilis Christophides, Elhadji Mamadou Nguer, Nicolas Spyratos

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

A Formal Approach for RDF/S Ontology Evolution.

George Konstantinidis, Giorgos Flouris, Grigoris Antoniou, Vassilis Christophides

Proceedings of the ECAI 2008, 2008

Personalisation Services for Self e-Learning Networks.

Kevin Keenoy, Vassilis Christophides, George Papamarkos, Alexandra Poulovassilis, Dimitris Kotzinos, Philippe Rigaux, Nicolas Spyratos, Peter T. Wood

Proceedings of the Learning Grid Handbook - Concepts, Technologies and Applications, 2008

2007

Report on the First International Workshop on Database Preservation (PresDB'07).

Vassilis Christophides, Peter Buneman

SIGMOD Rec., 2007

Emergent Knowledge Artifacts for Supporting Trialogical E-Learning.

Yannis Tzitzikas, Vassilis Christophides, Giorgos Flouris, Dimitris Kotzinos, Hannu Markkanen, Dimitris Plexousakis, Nicolas Spyratos

Int. J. Web Based Learn. Teach. Technol., 2007

The KP-Lab Framework for Knowledge Creation Practices.

Dimitris Kotzinos, Vassilis Christophides, Liisa Ilomäki

ERCIM News, 2007

Designing personalized curricula based on student preferences.

Periklis Georgiadis, Vassilis Christophides, Nicolas Spyratos

Proceedings of the 25th Annual International Conference on Design of Communication, 2007

On the Foundations of Computing Deltas Between RDF Models.

Dimitris Zeginis, Yannis Tzitzikas, Vassilis Christophides

Proceedings of the Semantic Web, 2007

On the Synthetic Generation of Semantic Web Schemas.

Yannis Theoharis, George F. Georgakopoulos, Vassilis Christophides

Proceedings of the Semantic Web, Ontologies and Databases, VLDB Workshop, 2007

On RDF/S Ontology Evolution.

George Konstantinidis, Giorgos Flouris, Grigoris Antoniou, Vassilis Christophides

Proceedings of the Semantic Web, Ontologies and Databases, VLDB Workshop, 2007

Application of the Peer-to-Peer Paradigm in Digital Libraries.

Stratis Viglas, Theodore Dalamagas, Vassilis Christophides, Timos K. Sellis, Aggeliki Dimitriou

Proceedings of the Digital Libraries: Research and Development, 2007

2006

Mediating RDF/S Queries to Relational and XML Sources.

Ioanna Koffina, Giorgos Serfiotis, Vassilis Christophides, Val Tannen

Int. J. Semantic Web Inf. Syst., 2006

Trialogical E-Learning and Emergent Knowledge Artifacts.

Yannis Tzitzikas, Vassilis Christophides, Giorgos Flouris, Dimitris Kotzinos, Hannu Markkanen, Dimitris Plexousakis, Nicolas Spyratos

Proceedings of the Innovative Approaches for Learning and Knowledge Sharing, 2006

Query Processing in RDF/S-Based P2P Database Systems.

George Kokkinidis, Lefteris Sidirourgos, Vassilis Christophides

Proceedings of the Semantic Web and Peer-to-Peer, 2006

2005

Online curriculum on the semantic Web: the CSD-UoC portal for peer-to-peer e-learning.

Dimitris Kotzinos, Sofia Pediaditaki, Apostolos Apostolidis, Nikolaos Athanasis, Vassilis Christophides

Proceedings of the 14th international conference on World Wide Web, 2005

Benchmarking Database Representations of RDF/S Stores.

Yannis Theoharis, Vassilis Christophides, Gregory Karvounarakis

Proceedings of the Semantic Web - ISWC 2005, 4th International Semantic Web Conference, 2005

Containment and Minimization of RDF/S Query Patterns.

Giorgos Serfiotis, Ioanna Koffina, Vassilis Christophides, Val Tannen

Proceedings of the Semantic Web - ISWC 2005, 4th International Semantic Web Conference, 2005

RUL: A Declarative Update Language for RDF.

Matoula Magiridou, S. Sahtouris, Vassilis Christophides, Manolis Koubarakis

Proceedings of the Semantic Web - ISWC 2005, 4th International Semantic Web Conference, 2005

Querying with Preferences in a Digital Library.

Nicolas Spyratos, Vassilis Christophides

Proceedings of the Federation over the Web, 2005

Integrating XML Data Sources using RDF/S Schemas: The ICS-FORTH Semantic Web Integration Middleware (SWIM).

Ioanna Koffina, Giorgos Serfiotis, Vassilis Christophides, Val Tannen, Alin Deutsch

Proceedings of the Semantic Interoperability and Integration, 2005

Semantic Web Fundamentals.

Grigoris Antoniou, Vassilis Christophides, Dimitris Plexousakis

Proceedings of the Encyclopedia of Information Science and Technology (5 Volumes), 2005

2004

Viewing the semantic web through RVL lenses.

Aimilia Magkanaraki, Val Tannen, Vassilis Christophides, Dimitris Plexousakis

J. Web Semant., 2004

Optimizing taxonomic semantic web queries using labeling schemes.

Vassilis Christophides, Gregory Karvounarakis, Dimitris Plexousakis, Michel Scholl, Sotirios Tourtounis

J. Web Semant., 2004

Report on the Workshop on Metadata Management in Grid and Peer-to-Peer Systems, London, December 16, 2003.

Kevin Keenoy, Alexandra Poulovassilis, Vassilis Christophides, George Loizou, Giorgos Kokkinidis, George Samaras, Nicolas Spyratos

SIGMOD Rec., 2004

Generating On the Fly Queries for the Semantic Web: The ICS-FORTH Graphical RQL Interface (GRQL).

Nikolaos Athanasis, Vassilis Christophides, Dimitris Kotzinos

Proceedings of the Semantic Web, 2004

Personalisation Services for Self E-learning Networks.

Kevin Keenoy, Alexandra Poulovassilis, Vassilis Christophides, Philippe Rigaux, George Papamarkos, Aimilia Magkanaraki, Miltos Stratakis, Nicolas Spyratos, Peter T. Wood

Proceedings of the Web Engineering - 4th International Conference, 2004

Semantic Query Routing and Processing in P2P Database Systems: The ICS-FORTH SQPeer Middleware.

Giorgos Kokkinidis, Vassilis Christophides

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

2003

The ICS-FORTH Semantic Web Integration Middleware (SWIM).

Vassilis Christophides, Gregory Karvounarakis, Aimilia Magkanaraki, Dimitris Plexousakis, Val Tannen

IEEE Data Eng. Bull., 2003

Querying the Semantic Web with RQL.

Gregory Karvounarakis, Aimilia Magkanaraki, Sofia Alexaki, Vassilis Christophides, Dimitris Plexousakis, Michel Scholl, Karsten Tolle

Comput. Networks, 2003

On labeling schemes for the semantic web.

Vassilis Christophides, Dimitris Plexousakis, Michel Scholl, Sotirios Tourtounis

Proceedings of the Twelfth International World Wide Web Conference, 2003

The ICS-FORTH SWIM: A Powerful Semantic Web Integration Middleware.

Vassilis Christophides, Gregory Karvounarakis, Ioanna Koffina, Giorgos Kokkinidis, Aimilia Magkanaraki, Dimitris Plexousakis, Giorgos Serfiotis, Val Tannen

Proceedings of SWDB'03, 2003

E-services: a look behind the curtain.

Richard Hull, Michael Benedikt, Vassilis Christophides, Jianwen Su

Proceedings of the Twenty-Second ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, 2003

Personalisation in Self e-Learning Networks.

Kevin Keenoy, Vassilis Christophides

Proceedings of the MMGPS, 2003

A Data, Computation and Knowledge Grid the Case of the Arion System.

Catherine E. Houstis, Spyros Lalis, Vassilis Christophides, Dimitris Plexousakis, Manolis Vavalis, Marios Pitikakis, Kyriakos Kritikos, Antonis Smardas

Proceedings of the ICEIS 2003, 2003

2002

RQL: a declarative query language for RDF.

Gregory Karvounarakis, Sofia Alexaki, Vassilis Christophides, Dimitris Plexousakis, Michel Scholl

Proceedings of the Eleventh International World Wide Web Conference, 2002

A Service Infrastructure for e-Science: The Case of the ARION System.

Catherine E. Houstis, Spyros Lalis, Vassilis Christophides, Dimitris Plexousakis, Manolis Vavalis, Marios Pitikakis, Kyriakos Kritikos, Antonis Smardas, Charalampos Gikas

Proceedings of the Web Services, 2002

Benchmarking RDF Schemas for the Semantic Web.

Aimilia Magkanaraki, Sofia Alexaki, Vassilis Christophides, Dimitris Plexousakis

Proceedings of the Semantic Web, 2002

On Personalizing the Catalogs of Web Portals.

Nicolas Spyratos, Yannis Tzitzikas, Vassilis Christophides

Proceedings of the Fifteenth International Florida Artificial Intelligence Research Society Conference, 2002

2001

Semantic Web Workshop: Models, Architectures and Management.

Panos Constantopoulos, Vassilis Christophides, Dimitris Plexousakis

SIGMOD Rec., 2001

Conference review: Semantic Web Workshop: : models, architectures and management.

Panos Constantopoulos, Vassilis Christophides, Dimitris Plexousakis

Intell., 2001

Workflow Mediation using VorteXML.

Vassilis Christophides, Richard Hull, Akhil Kumar, Jérôme Siméon

IEEE Data Eng. Bull., 2001

On Storing Voluminous RDF Descriptions: The Case of Web Portal Catalogs.

Sofia Alexaki, Vassilis Christophides, Gregory Karvounarakis, Dimitris Plexousakis

Proceedings of the Fourth International Workshop on the Web and Databases, 2001

Beyond Discrete E-Services: Composing Session-Oriented Services in Telecommunications.

Vassilis Christophides, Richard Hull, Gregory Karvounarakis, Akhil Kumar, Geliang Tong, Ming Xiong

Proceedings of the Technologies for E-Services, Second International Workshop, 2001

The ICS-FORTH RDFSuite: Managing Voluminous RDF Description Bases.

Sofia Alexaki, Vassilis Christophides, Gregory Karvounarakis, Dimitris Plexousakis, Karsten Tolle

Proceedings of the Second International Workshop on the Semantic Web, 2001

Querying and Splicing of XML Workflows.

Vassilis Christophides, Richard Hull, Akhil Kumar

Proceedings of the Cooperative Information Systems, 9th International Conference, 2001

Querying RDF Descriptions for Community Web Portals.

Gregory Karvounarakis, Vassilis Christophides, Dimitris Plexousakis, Sofia Alexaki

Proceedings of the 17èmes Journées Bases de Données Avancées, 2001

2000

On Z39.50 wrapping and description logics.

Yannis Velegrakis, Vassilis Christophides, Panos Constantopoulos

Int. J. Digit. Libr., 2000

On Wrapping Query Languages and Efficient XML Integration.

Vassilis Christophides, Sophie Cluet, Jérôme Siméon

Proceedings of the 2000 ACM SIGMOD International Conference on Management of Data, 2000

Managing RDF Metadata for Community Webs.

Sofia Alexaki, Vassilis Christophides, Gregory Karvounarakis, Dimitris Plexousakis, Karsten Tolle, Bernd Amann, Irini Fundulaki, Michel Scholl, Anne-Marie Vercoustre

Proceedings of the Conceptual Modeling for E-Business and the Web, 2000

Declarative Languages for Querying Portal Catalogs.

Vassilis Christophides, Dimitris Plexousakis, Gregory Karvounarakis, Sofia Alexaki

Proceedings of the First DELOS Network of Excellence Workshop on Information Seeking, 2000

1999

Onthology-Driven Integration of Scientific Repositories.

Vassilis Christophides, Catherine E. Houstis, Spyros Lalis, Hariklia Tsalapata

Proceedings of the Next Generation Information Technologies and Systems, 1999

Declarative Specification of Z39.50 Wrappers Using Description Logics.

Yannis Velegrakis, Vassilis Christophides, Panos Constantopoulos

Proceedings of the Research and Advanced Technology for Digital Libraries, 1999

1998

Optimizing Generalized Path Expressions Using Full Text Indexes.

Vassilis Christophides, Sophie Cluet, Guido Moerkotte, Jérôme Siméon

Netw. Inf. Syst. J., 1998

The Aquarelle Resource Discovery System.

Alain Michard, Vassilis Christophides, Michel Scholl, Mike Stapleton, Dale C. Sutcliffe, Anne-Marie Vercoustre

Comput. Networks, 1998

1997

Querying Documents in Object Databases.

Serge Abiteboul, Sophie Cluet, Vassilis Christophides, Tova Milo, Guido Moerkotte, Jérôme Siméon

Int. J. Digit. Libr., 1997

A Semantic Network Approach to Semi-Structured Documents Repositories.

Vassilis Christophides, Martin Doerr, Irini Fundulaki

Proceedings of the Research and Advanced Technology for Digital Libraries. First European Conference, 1997

1996

Evaluating Queries with Generalized Path Expressions.

Vassilis Christophides, Sophie Cluet, Guido Moerkotte

Proceedings of the 1996 ACM SIGMOD International Conference on Management of Data, 1996

1994

From Structured Documents to Novel Query Facilities.

Vassilis Christophides, Serge Abiteboul, Sophie Cluet, Michel Scholl

Proceedings of the 1994 ACM SIGMOD International Conference on Management of Data, 1994

Querying Structured Documents with Hypertext Links using OODBMS.

Vassilis Christophides, Antoine Rizk

Proceedings of the ECHT '94: European Conference on Hypertext Technology, 1994

1993

HyperPATH/O2: Integrating Hypermedia Systems with Object-Oriented Database Systems.

Bernd Amann, Vassilis Christophides, Michel Scholl

Proceedings of the Database and Expert Systems Applications, 4th International Conference, 1993