6740 search results - page 194 / 1348 » Querying Databases with Taxonomies |
202
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VLDB
2007
ACM
16 years 21 days ago
2007
ACM
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
156
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BTW
2005
Springer
16 years 4 days ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
216
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HICSS
2002
IEEE
15 years 11 months ago
2002
IEEE
Abstract— Recent advances in graph-based search techniques derived from Kleinberg’s work [1] have been impressive. This paper further improves the graph-based search algorithm ...
156
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
We study the recurrence dynamics of queries in Web search by analysing a large real-world query log dataset. We find that query frequency is more useful in predicting collective ...
164
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SSD
2001
Springer
15 years 11 months ago
2001
Springer
In this paper we introduce the notion of constrained nearest neighbor queries (CNN) and propose a series of methods to answer them. This class of queries can be thought of as neare...