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» Fuzzy queries and relational databases
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GIS
2007
ACM
14 years 8 months ago
Using fuzzy clustering methods for delineating urban housing submarkets
This study investigates whether a fuzzy clustering method is of any practical value in delineating urban housing submarkets relative to clustering methods based on classic (or cri...
Sungsoon Hwang, Jean-Claude Thill
SEMWEB
2007
Springer
14 years 1 months ago
A Fuzzy Ontology-Approach to improve Semantic Information Retrieval
This paper shows how a Fuzzy Ontology based approach can improve semantic documents retrieval. After formally defining a Fuzzy Knowledge Base, it is discussed a special type of ne...
Silvia Calegari, Elie Sanchez
ISMIS
2005
Springer
14 years 1 months ago
A Data Model Based on Paraconsistent Intuitionistic Fuzzy Relations
Abstract. Paraconsistent intuitionistic fuzzy set is an extension of intuitionistic fuzzy set or interval-valued fuzzy set. It relaxes the requirement that t + f ≤ 1, where t is ...
Haibin Wang, Rajshekhar Sunderraman
DEXA
2000
Springer
83views Database» more  DEXA 2000»
13 years 12 months ago
Optimizing Queries in Extended Relational Databases
Michael J. Maher, Junhu Wang