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CIKM
2008
Springer
13 years 9 months ago
Aggregate queries over ontologies
Answering queries over ontologies is an important issue for the Semantic Web. Aggregate queries were widely studied for relational databases but almost no results are known for ag...
Diego Calvanese, Evgeny Kharlamov, Werner Nutt, Ca...
ER
2007
Springer
89views Database» more  ER 2007»
14 years 2 months ago
On Order Dependencies for the Semantic Web
We consider the problem of adding both equality and order generating dependencies to Web ontology languages such as OWL DL that are based on description logics. Such dependencies u...
David Toman, Grant E. Weddell
KI
2002
Springer
13 years 7 months ago
Description Logics for the Semantic Web
The vision of a Semantic Web has recently drawn considerable attention, both from academia and industry. Description Logics are often named as one of the tools that can support th...
Franz Baader, Ian Horrocks, Ulrike Sattler
BIRTHDAY
2006
Springer
13 years 11 months ago
Semantic Web Languages - Towards an Institutional Perspective
The Semantic Web (SW) is viewed as the next generation of the Web that enables intelligent software agents to process and aggregate data autonomously. Ontology languages provide ba...
Dorel Lucanu, Yuan-Fang Li, Jin Song Dong
AGP
2003
IEEE
14 years 1 months ago
Local Closed-World Assumptions for reasoning about Semantic Web data
Abstract The Semantic Web (SW) can be seen as abstract representation and exchange of data and metadata. Metadata is given in terms of data mark-up and reference to shared, Web-acc...
Elisa Bertino, Alessandro Provetti, Franco Salvett...