799 search results - page 87 / 160 » Query Brokers for Distributed and Flexible Query Evaluation |
243
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
118
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WWW
2005
ACM
16 years 5 months ago
2005
ACM
There have been recent interests in studying the "goal" behind a user's Web query, so that this goal can be used to improve the quality of a search engine's re...
169
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VLDB
2010
ACM
15 years 3 months ago
2010
ACM
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
145
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DASFAA
2004
IEEE
15 years 8 months ago
2004
IEEE
For event filtering of publish/subscribe system, significant research efforts have been dedicated to techniques based on multiple one-dimensional indexes built on attributes of sub...
129
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JASIS
2008
15 years 4 months ago
2008
Data cubes for OLAP (Online Analytical Processing) often need to be constructed from data located in several distributed and autonomous information sources. Such a data integratio...