2043 search results - page 238 / 409 » The Limits of Querying Ontologies |
SEMWEB
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. We study the problem of evolution for Knowledge Bases (KBs) expressed in Description Logics (DLs) of the DL-Lite family. DL-Lite is at the basis of OWL 2 QL, one of the t...
IJSEKE
2011
13 years 20 days ago
2011
Software systems in safety-critical industrial automation systems, such as power plants and steel mills, become increasingly large, complex, and distributed. For assessing risks, l...
ISCI
2007
13 years 9 months ago
2007
Efficient processing of distance-based queries (DBQs) is of great importance in spatial databases due to the wide area of applications that may address such queries. The most repr...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
We study the scalable management of XML data in P2P networks based on distributed hash tables (DHTs). We identify performance limitations in this context, and propose an array of t...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Traditional databases store sets of relatively static records with no pre-defined notion of time, unless timestamp attributes are explicitly added. While this model adequately rep...