2043 search results - page 7 / 409 » The Limits of Querying Ontologies |
SEMWEB
2009
Springer
14 years 3 months ago
2009
Springer
We present a query processing procedure for conjunctive queries in distributed ontology systems where a large ontology is divided into ontology fragments that are later distributed...
CIMCA
2005
IEEE
14 years 2 months ago
2005
IEEE
The aim of the research presented in this paper is to contribute to reduction of development time for ontologies by discovering reusable parts and patterns. The approach is to use...
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
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...
SAC
2003
ACM
14 years 1 months ago
2003
ACM
Based on the limitations raised by existing approaches in the context of the Semantic Web, we propose a formalism, Web Sources Global Ontology (WebSOGO), a data meta-model for the...
PERCOM
2008
ACM
14 years 8 months ago
2008
ACM
This paper identifies requirements for querying and accessing context information in mobile and pervasive computing environments. Furthermore it studies existing query languages s...