664 search results - page 66 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
233
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ICDE
2009
IEEE
16 years 4 months ago
2009
IEEE
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...
95
Voted
CDC
2009
IEEE
15 years 7 months ago
2009
IEEE
—With the motivation of using more information to update the parameter estimates to achieve improved tracking performance, composite adaptation that uses both the system tracking...
99
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SIGIR
2008
ACM
15 years 2 months ago
2008
ACM
Information retrieval evaluation has typically been performed over several dozen queries, each judged to near-completeness. There has been a great deal of recent work on evaluatio...
137
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AUTOMATICA
2007
15 years 2 months ago
2007
Abstract— We consider dynamic output feedback practical stabilization of uniformly observable nonlinear systems, based on high-gain observers with saturation. We assume that unce...
142
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WISE
2006
Springer
15 years 8 months ago
2006
Springer
Filtering queries are widely used in data stream applications. As more and more filtering queries are registered in high-speed data stream management system, the processing efficie...