789 search results - page 43 / 158 » On Theory Revision with Queries |
138
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IDEAS
2010
IEEE
14 years 10 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
CIKM
2009
Springer
15 years 6 months ago
2009
Springer
With more and more large networks becoming available, mining and querying such networks are increasingly important tasks which are not being supported by database models and query...
104
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CIKM
2001
Springer
15 years 4 months ago
2001
Springer
In this paper we are mainly concerned with discussion of a formal model, based on the basic concept of divergence from information theory, for automatic query expansion. The basic...
106
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PODS
2010
ACM
15 years 1 months ago
2010
ACM
We study highly expressive query languages such as datalog, fixpoint, and while-languages on probabilistic databases. We generalize these languages such that computation steps (e....
ALT
2010
Springer
15 years 1 months ago
2010
Springer
We explore a general Bayesian active learning setting, in which the learner can ask arbitrary yes/no questions. We derive upper and lower bounds on the expected number of queries r...