356 search results - page 3 / 72 » A Logic Database System with Extended Functionality |
CL
2000
Springer
13 years 12 months ago
2000
Springer
In this paper, an algorithm for obtaining consistent answers to queries posed to inconsistent relational databases is presented. The algorith is proven to be sound, terminating and...
PODS
2010
ACM
13 years 7 months ago
2010
ACM
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
VLDB
1992
ACM
13 years 11 months ago
1992
ACM
We propose an extended relational database model which can model both uncertainty and imprecision in data. This model is basedon Dempster-Shafertheory which has become popular in ...
CIKM
2004
Springer
14 years 1 months ago
2004
Springer
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...
ICMCS
2000
IEEE
14 years 16 hour ago
2000
IEEE
In order to understand similarity between images, recent research has focused on adaptable searches [9] and fuzzy queries [4]. However, one of the best means for determining simil...