197 search results - page 26 / 40 » Identifying relevant constraints for semantic query optimiza... |
JACM
2000
13 years 7 months ago
2000
We rework parts of the classical relational theory when the underlying domain is a structure with some interpreted operations that can be used in queries. We identify parts of the...
CGF
2006
13 years 7 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...
VLDB
2002
ACM
14 years 7 months ago
2002
ACM
: Purpose ? Tree pattern is at the core of XML queries. The tree patterns in XML queries typically contain redundancies, especially when broad integrity constraints (ICs) are prese...
SIGMOD
2012
ACM
11 years 10 months ago
2012
ACM
How-To queries answer fundamental data analysis questions of the form: “How should the input change in order to achieve the desired output”. As a Reverse Data Management probl...
ICDE
2001
IEEE
14 years 9 months ago
2001
IEEE
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...