316 search results - page 22 / 64 » Evaluation of Conditional Preference Queries |
SEMWEB
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. We introduce a framework, based on logic programming, for preferential reasoning with agents on the Semantic Web. Initially, we encode the knowledge of an agent as a logi...
ECOOP
1999
Springer
14 years 2 months ago
1999
Springer
Program errors are hard to find because of the cause-effect gap between the time when an error occurs and the time when the error becomes apparent to the programmer. Although debu...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Answering queries using views is a well-established technique in databases. In this context, two outstanding problems can be formulated. The first one consists in deciding whethe...
WAIM
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. The heterogeneity nature of XML data creates the need for approximate query answering. In this paper, we present an XML system that cooperates with users to provide user-...
DASFAA
2008
IEEE
14 years 4 months ago
2008
IEEE
Many Web sources provide forms to allow users to query their hidden data. For instance, online stores such as Amazon.com have search interfaces, using which users can query informa...