254 search results - page 19 / 51 » Acquiring ontological knowledge from query logs |
DEXA
2007
Springer
14 years 1 months ago
2007
Springer
The retrieval problem is one of the main reasoning tasks for knowledge base systems. Given a knowledge base K and a concept C, the retrieval problem consists of finding all indivi...
SSDBM
2010
IEEE
14 years 23 days ago
2010
IEEE
With the growing focus on semantic searches and interpretations, an increasing number of standardized vocabularies and ontologies are being designed and used to describe data. We ...
HICSS
2003
IEEE
14 years 29 days ago
2003
IEEE
We examine a knowledge representation architecture to support context interchange mediation. For autonomous receivers and sources sharing a common subject domain, the mediator’s...
AAAI
2006
13 years 9 months ago
2006
In this paper, we discuss how our work on evaluating Semantic Web knowledge base systems (KBSs) contributes to address some broader AI problems. First, we show how our approach pr...
BTW
2003
Springer
14 years 27 days ago
2003
Springer
Abstract: Query languages for XML such as XPath or XQuery support Boolean retrieval where a query result is a (possibly restructured) subset of XML elements or entire documents tha...