2713 search results - page 430 / 543 » Parameterized Tree Systems |
276
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
151
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WWW
2009
ACM
16 years 6 months ago
2009
ACM
Click Through Rate (CTR) is an important metric for ad systems, job portals, recommendation systems. CTR impacts publisher's revenue, advertiser's bid amounts in "p...
137
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WWW
2005
ACM
16 years 6 months ago
2005
ACM
While several hierarchical classification methods have been applied to web content, such techniques invariably rely on a pre-defined taxonomy of documents. We propose a new techni...
272
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
We present STAR, a self-tuning algorithm that adaptively sets numeric precision constraints to accurately and efficiently answer continuous aggregate queries over distributed data...
250
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
We demonstrate the BioNav system, a novel search interface for biomedical databases, such as PubMed. BioNav enables users to navigate large number of query results by categorizing...