289 search results - page 11 / 58 » Control of an Extensible Query Optimizer: A Planning-Based A... |
112
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AIPS
2003
15 years 4 months ago
2003
We develop a hierarchical approach to planning for partially observable Markov decision processes (POMDPs) in which a policy is represented as a hierarchical finite-state control...
163
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CDC
2010
IEEE
14 years 10 months ago
2010
IEEE
Switched dynamical systems have shown great utility in modeling a variety of systems. Unfortunately, the determination of a numerical solution for the optimal control of such syste...
174
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RR
2010
Springer
15 years 1 months ago
2010
Springer
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
124
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PVLDB
2008
15 years 2 months ago
2008
Given a parametrized n-dimensional SQL query template and a choice of query optimizer, a plan diagram is a color-coded pictorial enumeration of the execution plan choices of the o...
153
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ER
2010
Springer
15 years 1 months ago
2010
Springer
Traditional information search in which queries are posed against a known and rigid schema over a structured database is shifting towards a Web scenario in which exposed schemas ar...