5954 search results - page 293 / 1191 » Querying Bi-level Information |
184
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INFOCOM
2009
IEEE
16 years 1 months ago
2009
IEEE
—We study the problem of in-network processing and queries of trajectories of moving targets in a sensor network. The main idea is to exploit the spatial coherence of target traj...
189
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WECWIS
2008
IEEE
16 years 1 months ago
2008
IEEE
We present ISENS, a distributed, end-to-end, ontologybased information integration system. In response to a user’s query, our system is capable of retrieving facts from data sou...
148
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INEX
2004
Springer
16 years 3 days ago
2004
Springer
Queries over XML documents challenge search engines to return the most relevant XML components that satisfy the query concepts. In a previous work[6] we described an algorithm to ...
187
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CIKM
2007
Springer
15 years 10 months ago
2007
Springer
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
198
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WSMAI
2004
15 years 8 months ago
2004
Continuous Queries (CQ) help users to retrieve results as soon as they become available. The CQ keeps track of two important events. If there is any change in the source informatio...