316 search results - page 34 / 64 » Evaluation of Conditional Preference Queries |
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
Incomplete databases, that is, databases that are missing data, are present in many research domains. It is important to derive techniques to access these databases efficiently. We...
KRDB
1998
13 years 11 months ago
1998
Previous researchers note the problem for semantic optimisation of database queries caused by its production of a large number of semantically equivalent alternative queries, from...
AUSAI
2004
Springer
14 years 3 months ago
2004
Springer
The PolicyUpdater1 system is a fully-implemented access control system that provides policy evaluations as well as dynamic policy updates. These functions are achieved by the use o...
SPIN
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. Context-Bounded Analysis has emerged as a practical automatic formal analysis technique for fine-grained, shared-memory concurrent software. Two recent papers (in CAV 20...
EUROSSC
2009
Springer
14 years 4 months ago
2009
Springer
Geographical information retrieval (GIR) can benefit from context information to adapt the results to a user’s current situation and personal preferences. In this respect, seman...