54 search results - page 3 / 11 » Logical Foundations of Multilevel Databases |
SIGMOD
2003
ACM
14 years 6 months ago
2003
ACM
: There has been an abundance of research within the last couple of decades in the area of multilevel secure (MLS) databases. Recent work in this field deals with the processing of...
PODS
2007
ACM
14 years 6 months ago
2007
ACM
Many applications today need to manage large data sets with uncertainties. In this paper we describe the foundations of managing data where the uncertainties are quantified as pro...
FMLDO
1999
Springer
13 years 10 months ago
1999
Springer
In this article we extend previous work on the development of logical foundations for the specification of the dynamics of databases. In particular, we deal with two problems. Fir...
WOA
2007
13 years 7 months ago
2007
—Reasoning by interrogation is one of the most ancient and experimented ways of reasoning. Originated by the Aristotelian elenchus, it has been used for many purposes, such as th...
ACL
1989
13 years 7 months ago
1989
Comparative expressions (CEs) such as "bigger than" and "more oranges than" are highly ambiguous, and their meaning is context dependent. Thus, they pose probl...