9414 search results - page 238 / 1883 » Adaptive Query Processing |
130
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VLDB
1999
ACM
15 years 7 months ago
1999
ACM
In many applications, users specify target values for certain attributes, without requiring exact matches to these values in return. Instead, the result to such queries is typical...
99
Voted
SIGIR
2002
ACM
15 years 3 months ago
2002
ACM
Query ambiguity is a generally recognized problem, particularly in Web environments where queries are commonly only one or two words in length. In this study, we explore one techn...
106
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ITCC
2002
IEEE
15 years 8 months ago
2002
IEEE
Current crawler-based search engines usually return a long list of search results containing a lot of noise documents. By indexing collected documents on topic path in taxonomy, t...
127
Voted
CN
1998
15 years 3 months ago
1998
An adaptive, highly scalable, and robust web caching system is needed to effectively handle the exponential growth and extreme dynamic environment of the World Wide Web. Our work ...
121
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DOLAP
2009
ACM
15 years 10 months ago
2009
ACM
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...