251 search results - page 47 / 51 » Rewriting Aggregate Queries using Description Logic |
AI
2010
Springer
13 years 7 months ago
2010
Springer
We develop a formal framework for comparing different versions of ontologies, and apply it to ontologies formulated in terms of DL-Lite, a family of `lightweight' description...
TKDE
2002
13 years 7 months ago
2002
The construction and maintenance of data warehouses (views) in large-scale environments composed of numerous distributed and evolving information sources (ISs) such as the WWW has ...
DEBU
2010
13 years 5 months ago
2010
Solid-state disks are currently based on NAND flash and expose a standard disk interface. To accommodate limitations of the medium, solid-state disk implementations avoid rewritin...
ASWC
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. Ontology reasoning is an indispensable step to fully exploit the implicit semantics of Semantic Web data. The inherent distribution characteristic of the Semantic Web and...
ISB
2002
13 years 7 months ago
2002
Data Mining and Knowledge Discovery techniques proved to be efficient tools for variety of complex tasks in biology including DNA research. This paper presents implementation of th...