131 search results - page 6 / 27 » Linear Constraint Query Languages: Expressive Power and Comp... |
CIVR
2004
Springer
14 years 1 months ago
2004
Springer
Most image retrieval systems only allow a fragment of text or an example image as a query. Most users have more complex information needs that are not easily expressed in either of...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
The extension of Regular Expressions (REs) with an interleaving (shuffle) operator has been proposed in many occasions, since it would be crucial to deal with unordered data. Howe...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
The XPath language incorporates powerful primitives for formulating queries containing nested subexpressions which are existentially or universally quantified. However, even the b...
DASFAA
2005
IEEE
14 years 1 months ago
2005
IEEE
: Semi-structured data has become more and more attention-getting with the emergence of XML, and it has aroused much enthusiasm for integrating XML and SQL in database community. D...
SP
1997
IEEE
13 years 12 months ago
1997
IEEE
A major drawback of existing access control systems is that they have all been developed with a specific access control policy in mind. This means that all protection requirement...