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VLDB
1990
ACM
14 years 2 months ago
1990
ACM
A probabilistic learning model for vague queries and missing or imprecise information in databases is described. Instead of retrieving only a set of answers, our approach yields a...
VLDB
1990
ACM
14 years 2 months ago
1990
ACM
In several image applications, it is necessary to retrieve specific line segments born a potentially very large set. In this paper, we consider the problem of indexing straight li...
VLDB
1990
ACM
14 years 2 months ago
1990
ACM
In previous papers we have proposed a graphical query language for expressing traversal recursions in labelled, directed graphs. A fundamental feature of the language is the use o...
VLDB
1990
ACM
14 years 2 months ago
1990
ACM
This paper presents an approach to maintaining consistency of object versions in multiversion database systems. In this approach a multiversion database is considered to be a set ...
VLDB
1990
ACM
14 years 2 months ago
1990
ACM
In applications such as vision and molecular biology, a common problem is to find the similar objects to a given target (according to some distance measure) in a large database. T...