1445 search results - page 230 / 289 » XPath query containment |
LICS
2009
IEEE
14 years 4 months ago
2009
IEEE
—We introduce extensions of first-order logic (FO) and fixed-point logic (FP) with operators that compute the rank of a definable matrix. These operators are generalizations o...
WEBDB
2009
Springer
14 years 4 months ago
2009
Springer
We study the problem of automatically discovering semantic associations between schema elements, namely foreign keys. This problem is important in all applications where data sets...
CIKM
2009
Springer
14 years 4 months ago
2009
Springer
On photo sharing websites like Flickr and Zooomr, users are offered the possibility to assign tags to their uploaded pictures. Using these tags to find interesting groups of sem...
UIST
2009
ACM
14 years 4 months ago
2009
ACM
The deep web contains an order of magnitude more information than the surface web, but that information is hidden behind the web forms of a large number of web sites. Metasearch e...
ACSC
2008
IEEE
14 years 4 months ago
2008
IEEE
Modern computer systems are based on the traditional hierarchical file system model, but typically contain large numbers of files with complex interrelationships. This tradition...