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» Fuzzy queries and relational databases
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BTW
2007
Springer
114views Database» more  BTW 2007»
15 years 1 months ago
Pathfinder: A Relational Query Optimizer Explores XQuery Terrain
Jan Rittinger, Jens Teubner, Torsten Grust
EUSFLAT
2009
122views Fuzzy Logic» more  EUSFLAT 2009»
14 years 9 months ago
Semantic Proximity Between Queries and the Empty Answer Problem
This paper proposes an approach aimed at obviating empty answers for a family of conjunctive queries involving Boolean or fuzzy value constraints. Contrary to the approaches based ...
Patrick Bosc, Carmen Brando, Allel HadjAli, H&eacu...
75
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WAIM
2004
Springer
15 years 5 months ago
Learning-Based Top-N Selection Query Evaluation over Relational Databases
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
Liang Zhu, Weiyi Meng
AICOM
2004
118views more  AICOM 2004»
14 years 11 months ago
Qualitative pattern matching with linguistic terms
Abstract. In the framework of possibility theory, a tool named `fuzzy pattern matching' (FPM) has been proposed in the eighties and since successfully used in flexible queryin...
Yannick Loiseau, Henri Prade, Mohand Boughanem
OTM
2005
Springer
15 years 5 months ago
Object-Oriented Wrapper for Relational Databases in the Data Grid Architecture
: The paper presents a solution of the problem of wrapping relational databases to an object-oriented business model in the data grid architecture. The main problem with this kind ...
Kamil Kuliberda, Jacek Wislicki, Radoslaw Adamus, ...