12946 search results - page 2257 / 2590 » Natural Language Processing |
184
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JSS
2008
15 years 6 months ago
2008
Many state-of-the-art selectivity estimation methods use query feedback to maintain histogram buckets, thereby using the limited memory efficiently. However, they are "reacti...
181
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JMLR
2006
15 years 6 months ago
2006
We propose a novel approach to optimize Partially Observable Markov Decisions Processes (POMDPs) defined on continuous spaces. To date, most algorithms for model-based POMDPs are ...
183
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MCS
2008
Springer
15 years 6 months ago
2008
Springer
In many real-life applications of optimal control problems with constraints in form of partial differential equations (PDEs), hyperbolic equations are involved which typically desc...
172
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JODS
2006
15 years 6 months ago
2006
In this paper, we propose to extend current practice in schema matching with the simultaneous use of top-K schema mappings rather than a single best mapping. This is a natural ext...
167
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JSAC
2006
15 years 6 months ago
2006
Within the realm of network security, we interpret the concept of trust as a relation among entities that participate in various protocols. Trust relations are based on evidence cr...