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SEMWEB
2007
Springer
14 years 2 months ago
2007
Springer
Current information retrieval (IR) approaches do not formally capture the explicit meaning of a keyword query but provide a comfortable way for the user to specify information need...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
The W3C XQuery language recommendation, based on a hierarchical and ordered document model, supports a wide variety of constructs and use cases. There is a diversity of approaches...
CSFW
2011
IEEE
12 years 7 months ago
2011
IEEE
—This paper explores the idea of knowledge-based security policies, which are used to decide whether to answer queries over secret data based on an estimation of the querier’s ...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
The context of the user queries, preceding a given query, is utilized to improve the effectiveness of query classification. Earlier efforts utilize fixed number of preceding queri...
DL
1998
Springer
14 years 3 days ago
1998
Springer
Previous models of dynamic querying supported by query previews have focussed on attribute based querying, have required information providers to create preview tables, and have p...