5166 search results - page 434 / 1034 » Web Query Optimizer |
200
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VLDB
1991
ACM
15 years 10 months ago
1991
ACM
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...
221
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GIS
2008
ACM
15 years 8 months ago
2008
ACM
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
150
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Web search engines are often implemented as centralized systems. Designing and implementing a Web search engine in a distributed environment is a challenging engineering task that...
186
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CIKM
2005
Springer
16 years 11 days ago
2005
Springer
Depending on a web searcher’s familiarity with a query’s target topic, it may be more appropriate to show her introductory or advanced documents. The TREC HARD [1] track defi...
180
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ACMDIS
2008
ACM
15 years 8 months ago
2008
ACM
Throughout many of the different types of Web searches people perform, the primary tasks are to first craft a query that effectively captures their information needs, and then eva...