777 search results - page 122 / 156 » Optimization of Relational Preference Queries |
SIGMOD
1996
ACM
13 years 12 months ago
1996
ACM
We investigate the problem of incremental maintenance of an SQL view in the face of database updates, and show that it is possible to reduce the total time cost of view maintenanc...
JAIR
2008
13 years 7 months ago
2008
Shapley's impossibility result indicates that the two-person bargaining problem has no non-trivial ordinal solution with the traditional game-theoretic bargaining model. Alth...
GAMESEC
2011
12 years 7 months ago
2011
Recent works on Internet risk management have proposed the idea of cyber-insurance to eliminate risks due to security threats, which cannot be tackled through traditional means suc...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
Spatial indexing has been one of the active focus areas in recent database research. Several variants of Quadtree and R-tree indexes have been proposed in database literature. In ...
SP
1996
IEEE
13 years 12 months ago
1996
IEEE
View-based access control enables content-based and context-based security, as opposed to container-based security provided in operating systems. However, view-based access contro...