121 search results - page 17 / 25 » Semantic optimization techniques for preference queries |
ICOODB
2009
13 years 4 months ago
2009
The integration of database and programming languages is made difficult by the different data models and type systems prevalent in each field. Functional-object query languages con...
SIGMOD
2006
ACM
14 years 6 months ago
2006
ACM
Consider an XML view defined over a relational database, and a user query specified over this view. This user XML query is typically processed using the following steps: (a) our t...
CGF
2006
13 years 6 months ago
2006
Composite images are synthesized from existing photographs by artists who make concept art, e.g., storyboards for movies or architectural planning. Current techniques allow an art...
SIGMOD
1999
ACM
13 years 11 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
AAMAS
2008
Springer
13 years 6 months ago
2008
Springer
Abstract. We present a novel logic-based framework to automate multi-issue bilateral negotiation in e-commerce settings. The approach exploits logic as communication language among...