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ISMIS
1994
Springer
14 years 3 months ago
1994
Springer
We assume that safety of information stored in a database depends on the reliability of the agents who have performed the insertions in the database. We present a logic S to repres...
EDBT
1992
ACM
14 years 3 months ago
1992
ACM
A general technique for merging database schemas is developed that has a number of advantages over existing techniques, the most important of which is that schemas are placed in a...
APNOMS
2006
Springer
14 years 2 months ago
2006
Springer
In this paper, we propose the localized adaptive QoS routing scheme using POMDP(partially observable Markov Decision Processes) and Exploration Bonus. In order to deal with POMDP p...
ACSAC
2003
IEEE
14 years 2 months ago
2003
IEEE
We propose an efficient and flexible system for a secure and authentic data exchange in a multiinstitutional environment, where the institutions maintain different databases and p...
WDAG
2000
Springer
14 years 2 months ago
2000
Springer
Weconsider the problemof generic broadcast in asynchronous systems with crashes, a problem that was rst studied in 12]. Roughly speaking, given a \con ict" relation on the set...