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» The TSIMMIS Project: Integration of Heterogeneous Informatio...
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GIS
2002
ACM
14 years 10 months ago
A WFS-based mediation system for GIS interoperability
The proliferation of spatial data on the Internet is beginning to allow a much wider access to data currently available in various Geographic Information Systems (GIS). In order t...
Omar Boucelma, Mehdi Essid, Zoé Lacroix
105
Voted
COOPIS
2003
IEEE
15 years 4 months ago
Ontology Based Query Processing in Database Management Systems
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...
Chokri Ben Necib, Johann Christoph Freytag
WEBDB
2009
Springer
131views Database» more  WEBDB 2009»
15 years 5 months ago
Functional Dependency Generation and Applications in Pay-As-You-Go Data Integration Systems
Recently, the opportunity of extracting structured data from the Web has been identified by a number of research projects. One such example is that millions of relational-style H...
Daisy Zhe Wang, Xin Luna Dong, Anish Das Sarma, Mi...
VLDB
2004
ACM
106views Database» more  VLDB 2004»
15 years 4 months ago
Structures, Semantics and Statistics
At a fundamental level, the key challenge in data integration is to reconcile the semantics of disparate data sets, each expressed with a different database structure. I argue th...
Alon Y. Halevy
COOPIS
2004
IEEE
15 years 2 months ago
A Meta-service for Event Notification
The integration of event information from diverse event notification sources is, as with meta-searching over heterogeneous search engines, a challenging task. Due to the complexity...
Doris Jung, Annika Hinze