394 search results - page 7 / 79 » Conditional Preferences: A New Semantics for Database Querie... |
AISADM
2005
Springer
14 years 1 months ago
2005
Springer
RDF (core Semantic Web standard) is not originally appropriate for context representation, because of its initial focus on the ordinary Web resources, such as web pages, files, dat...
IDEAS
2003
IEEE
14 years 23 days ago
2003
IEEE
The objective of this paper is to investigate the problems related to the extensional integration of information sources. In particular, we propose an approach for managing incons...
ECAI
2008
Springer
13 years 9 months ago
2008
Springer
Various tasks need to consider preferences in a dynamic way. We start by discussing several possible meanings of preference change, and then focus on the one we think is the most n...
LPNMR
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. We study the complexity of consistency checking and query answering on incomplete databases for languages ranging from non-recursive Datalog to disjunctive Datalog with n...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Abstract-- When dealing with massive quantities of data, topk queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring func...