2067 search results - page 46 / 414 » Modeling and exploiting query interactions in database syste... |
133
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CORR
2012
Springer
13 years 11 months ago
2012
Springer
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
157
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AAI
2007
15 years 4 months ago
2007
In recent years, the KDD process has been advocated to be an iterative and interactive process. It is seldom the case that a user is able to answer immediately with a single query...
161
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VLDB
2005
ACM
15 years 9 months ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
138
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VLDB
1990
ACM
15 years 8 months ago
1990
ACM
A probabilistic learning model for vague queries and missing or imprecise information in databases is described. Instead of retrieving only a set of answers, our approach yields a...
146
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NGC
2000
Springer
15 years 3 months ago
2000
Springer
With the increasing popularity of the WWW, the main challenge in computer science has become content-based retrieval of multimedia objects. Access to multimedia objects in database...