Research Interests

• Databases

• Query Processing

• XML

• Data Warehousing

• OLAP - Multidimensional Databases

• Data Integration

• Semantic Web

Projects

Some of the projects in which I am (was) involved.

Current

Data Fusion
Event-Based Fusion of Distributed Multimedia Data Sources
NJIT - Funded by DoD, Research Army Lab.

Semantic Data Integration
Tree-Structured Data Source Integration on the Semantic Web.
NJIT - Project of collaboration between NJIT and NTUAthens funded by European Funds.

Materialized Views / Data Warehousing
Evaluation for Multiple Queries in the Presence of Space Restrictions.
NJIT - Project funded by IBM Center of Advanced Studies in Toronto.

Past

AutoMed
Automatic Generation of Mediator Tools for Heterogeneous Database Integration.
Birkbeck College, University of London - EPSRC funded project, UK

EDITH
European Development on Indexing Techniques for Databases with Multidimensional Hierarchies
NTUAthens - European 5th FWP IST Project

DQDSS
Data Quality in Decision Support Systems. 
NTUAthens - Funded by the Program of Bilateral Cooperation Platon 2000: Integrated action between France and Greece.

DWQ
Foundations of Data Warehouse Quality
NTUAthens - European 4th FWP ESPRIT Project

FIDE and FIDE2
Formally Integrated Data Environment
LRI, University of Paris XI - European 2nd and 3rd FWP ESPRIT Projects

Laboratories

Some of the laboratories in which I worked.

Knowledge and Database Systems Laboratory, 
National Technical University of Athens (NTUA), 
Athens, Greece

Databases and Web Technologies Group, 
Birkbeck College, University of London, 
London, UK

Verso and Caravel Groups, 
Institut Nationale de Recherche en Informatique et Automatique (INRIA), 
Paris, France.

Business and Information Technology Department, 
Rutherford Appleton Laboratory (RAL), 
Oxfordshire, UK.

Laboratoire de Recherche en Informatique (LRI),  
University of Paris XI (UPS), 
Paris, France.