27756 search results - page 172 / 5552 » Process Query Systems |
200
Voted
SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...
115
Voted
DEXA
2007
Springer
15 years 8 months ago
2007
Springer
Due to the high frequency in location updates and the expensive cost of continuous query processing, server computation capacity and wireless communication bandwidth are the two li...
139
Voted
SIGIR
2006
ACM
15 years 8 months ago
2006
ACM
Classical query expansion techniques such as the local context analysis (LCA) make use of term co-occurrence statistics to incorporate additional contextual terms for enhancing pa...
135
Voted
SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
111
click to vote
TMC
2008
15 years 2 months ago
2008
Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the inquirer. Efficient processing of LBSQs is of critical importance with the...