14248 search results - page 32 / 2850 » Queries |
AAAI
2008
13 years 11 months ago
2008
In this paper, we propose a novel approach to expand queries by exploring both location information and topic information of the queries. Users at different locations tend to have...
CIKM
2008
Springer
13 years 10 months ago
2008
Springer
In a number of application areas, distributed database systems can be used to provide persistent storage of data while providing efficient access for both local and remote data. W...
SIGMOD
2008
ACM
13 years 8 months ago
2008
ACM
Tree pattern queries (TPQs) provide a natural and easy formalism to query tree-structured XML data, and the efficient processing of such queries has attracted a lot of attention. ...
JCSS
2007
13 years 8 months ago
2007
We introduce a combinatorial dimension that characterizes the number of queries needed to exactly (or approximately) learn concept classes in various models. Our general dimension...
IJCIS
1998
13 years 8 months ago
1998
We present the systematic design and development of a distributed query scheduling service DQS in the context of DIOM, a distributed and interoperable query mediation system 26 ...