27756 search results - page 73 / 5552 » Process Query Systems |
WWW
2009
ACM
15 years 10 months ago
2009
ACM
Sponsored search systems are tasked with matching queries to relevant advertisements. The current state-of-the-art matching algorithms expand the user's query using a variety...
155
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ICDE
2000
IEEE
15 years 11 months ago
2000
IEEE
Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the mem...
120
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EDBT
2006
ACM
15 years 10 months ago
2006
ACM
Abstract. Peer Data Management Systems (PDMS) have recently attracted attention by the database community. One of the main challenges of this paradigm is the development and evalua...
146
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
ECIR
1998
Springer
14 years 11 months ago
1998
Springer
Modern extensible database systems support multimedia data through ADTs. However, because of the problems with multimedia query formulation, this support is not sufficient. Multim...