231 search results - page 18 / 47 » Answering Queries Using Views over Description Logics Knowle... |
DLOG
2003
13 years 8 months ago
2003
The purpose of the chapter is to help someone familiar with DLs to understand the issues involved in developing an ontology for some universe of discourse, which is to become a co...
AAAI
2008
13 years 8 months ago
2008
In this poster we describe the tabling techniques for Sequential and Concurrent Horn Transaction Logic. Horn Transaction Logic is an extension of classical logic programming with ...
EDBT
2012
ACM
11 years 9 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
FLAIRS
2007
13 years 9 months ago
2007
Web search engines like Google have made us all smarter by providing ready access to the world's knowledge whenever we need to look up a fact, learn about a topic or evaluate...
ERCIMDL
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. In this paper we present an approach to question answering over heterogeneous knowledge sources that makes use of different ontology management components within the sce...