9683 search results - page 635 / 1937 » Predicting query performance |
213
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WWW
2009
ACM
16 years 8 months ago
2009
ACM
Automatic categorization of user queries is an important component of general purpose (Web) search engines, particularly for triggering rich, query-specific content and sponsored ...
186
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KDD
2005
ACM
16 years 7 months ago
2005
ACM
We present an algorithm for mining tree-shaped patterns in a large graph. Novel about our class of patterns is that they can contain constants, and can contain existential nodes w...
314
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VLDB
2004
ACM
16 years 7 months ago
2004
ACM
In this paper, we propose a new tunable index scheme, called iMinMax(), that maps points in highdimensional spaces to single-dimensional values determined by their maximum or minim...
191
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
203
Voted
SIGMOD
2003
ACM
16 years 7 months ago
2003
ACM
XML databases often contain documents comprising structured text. Therefore, it is important to integrate "information retrieval style" query evaluation, which is well-s...