720 search results - page 29 / 144 » Evaluating Database Selection Techniques: A Testbed and Expe... |
CORR
1999
Springer
14 years 11 months ago
1999
Springer
We present a technique which complements Hidden Markov Models by incorporating some lexicalized states representing syntactically uncommon words. 'Our approach examines the d...
VLDB
1997
ACM
15 years 3 months ago
1997
ACM
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...
118
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SIGMOD
2001
ACM
15 years 12 months ago
2001
ACM
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
160
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VLDB
2009
ACM
15 years 11 months ago
2009
ACM
In this paper, we study the problem of continuous monitoring of reverse k nearest neighbor queries. Existing continuous reverse nearest neighbor monitoring techniques are sensitive...
214
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ICDE
2001
IEEE
16 years 1 months ago
2001
IEEE
In this paper, we develop a general framework for approximate nearest neighbor queries. We categorize the current approaches for nearest neighbor query processing based on either ...