Sciweavers

621 search results - page 93 / 125
» Semantic Integration of Heterogeneous Information Sources
Sort
View
GEOINFO
2004
13 years 9 months ago
Mediated Geographic Web Feature Services
Abstract With the proliferation of Geographic Information Systems (GIS) and spatial resources over the Internet, there is an increasing demand for robust geospatial information ser...
Mehdi Essid, Omar Boucelma
SIGMOD
2007
ACM
156views Database» more  SIGMOD 2007»
14 years 7 months ago
Mashup Feeds: : continuous queries over web services
Mashup Feeds is a system that supports integrated web service feeds as continuous queries. We introduce collectionbased stream processing semantics to enable information extractio...
Arsany Sawires, Divyakant Agrawal, Jun'ichi Tatemu...
CASCON
2004
108views Education» more  CASCON 2004»
13 years 9 months ago
Consistent query answering under inclusion dependencies
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
Loreto Bravo, Leopoldo E. Bertossi
IJMSO
2007
201views more  IJMSO 2007»
13 years 7 months ago
A context-aware meeting alert using semantic web and rule technology
This paper describes work in progress developing a context-aware meeting alert. This application integrates semantic web technology in RDF (for representing calendars), semantic we...
Grigoris Antoniou, Antonis Bikakis, Anna Karamoleg...
VLDB
2001
ACM
151views Database» more  VLDB 2001»
14 years 7 months ago
Approximate query mapping: Accounting for translation closeness
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
Kevin Chen-Chuan Chang, Hector Garcia-Molina