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DASFAA
2009
IEEE
144views Database» more  DASFAA 2009»
16 years 1 months ago
Logical Foundations for Similarity-Based Databases
Abstract. Extensions of relational databases which aim at utilizing various aspects of similarity and imprecision in data processing are widespread in the literature. A need for de...
Radim Belohlávek, Vilém Vychodil
IAT
2009
IEEE
15 years 10 months ago
A Multi Facet Representation of a Fuzzy Ontology Population
This work proposes a system process for extracting automatically a fuzzy ontology from a collection of web resources. The approach exploits the Formal Concept Analysis theory for ...
Carmen De Maio, Giuseppe Fenza, Vincenzo Loia, Sab...
EDBT
2012
ACM
228views Database» more  EDBT 2012»
13 years 8 months ago
Towards scalable data integration under constraints
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
George Konstantinidis, José Luis Ambite
SIGMOD
2007
ACM
225views Database» more  SIGMOD 2007»
16 years 6 months ago
From complete to incomplete information and back
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
Lyublena Antova, Christoph Koch, Dan Olteanu
ER
2009
Springer
117views Database» more  ER 2009»
15 years 9 months ago
An Ontology-Based Framework for Geographic Data Integration
Ontologies have been extensively used to model domain-specific knowledge. Recent research has applied ontologies to enhance the discovery and retrieval of geographic data in Spatia...
Vânia Maria Ponte Vidal, Eveline R. Sacramen...