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DEXA
2000
Springer
104views Database» more  DEXA 2000»
15 years 5 months ago
Extending RDBMS for Allowing Fuzzy Quantified Queries
This paper is mainly concerned with the extension of database management systems querying capabilities, so that users may address queries involving preferences and get discriminate...
Leonid José Tineo Rodríguez
FQAS
1998
Springer
133views Database» more  FQAS 1998»
15 years 6 months ago
Estimating the Quality of Databases
Abstract. With more and more electronic information sources becoming widely available, the issue of the quality of these often-competing sources has become germane. We propose a st...
Amihai Motro, Igor Rakov
96
Voted
PODS
2006
ACM
177views Database» more  PODS 2006»
16 years 2 months ago
Equivalence of queries combining set and bag-set semantics
The query equivalence problem has been studied extensively for set-semantics and, more recently, for bag-set semantics. However, SQL queries often combine set and bag-set semantic...
Sara Cohen
ECOI
2007
101views more  ECOI 2007»
15 years 1 months ago
Reasoning about taxonomies in first-order logic
Experts often disagree about the organization of biological taxa. The shifting definitions of taxonomic names complicate otherwise simple queries concerning these taxa. For examp...
David Thau, Bertram Ludäscher
151
Voted
ISAAC
2007
Springer
118views Algorithms» more  ISAAC 2007»
15 years 8 months ago
Dynamic Structures for Top- k Queries on Uncertain Data
In an uncertain data set S = (S, p, f) where S is the ground set consisting of n elements, p : S → [0, 1] a probability function, and f : S → R a score function, each element i...
Jiang Chen, Ke Yi