396 search results - page 9 / 80 » Semantic Optimization of Preference Queries |
AAAI
2004
13 years 9 months ago
2004
A logic of conditional preferences is defined, with a language which allows the compact representation of certain kinds of conditional preference statements, a semantics and a pro...
AAAI
2004
13 years 9 months ago
2004
We introduce mCP nets, an extension of the CP net formalism to model and handle the qualitative and conditional preferences of multiple agents. We give a number of different seman...
ICDE
1997
IEEE
14 years 9 months ago
1997
IEEE
2. ODB-QOPTIMIZER : the tool ODB-QOPTIMIZERis a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredien...
INFSOF
2000
13 years 7 months ago
2000
Semantic query optimization is the process of utilizing information implied by integrity constraints to reformulate the query into one that generates the same set of answers in a ...
HEURISTICS
2006
13 years 7 months ago
2006
Many real life optimization problems are defined in terms of both hard and soft constraints, and qualitative conditional preferences. However, there is as yet no single framework f...