382 search results - page 55 / 77 » Ranking Approximate Answers to Semantic Web Queries |
CIKM
2005
Springer
14 years 2 months ago
2005
Springer
Search engines process queries conjunctively to restrict the size of the answer set. Further, it is not rare to observe a mismatch between the vocabulary used in the text of Web p...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
A common approach to performing keyword search over relational databases is to find the minimum Steiner trees in database graphs. These methods, however, are rather expensive as th...
ICML
2008
IEEE
14 years 9 months ago
2008
IEEE
In this paper we investigate two aspects of ranking problems on large graphs. First, we augment the deterministic pruning algorithm in Sarkar and Moore (2007) with sampling techni...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
Web search engines consistently collect information about users interaction with the system: they record the query they issued, the URL of presented and selected documents along w...
SEMWEB
2005
Springer
14 years 2 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...