Sciweavers

117 search results - page 1 / 24
» Relation Algebra Operations on Formal Contexts
Sort
View
CORR
2008
Springer
113views Education» more  CORR 2008»
13 years 4 months ago
Expressing OLAP operators with the TAX XML algebra
With the rise of XML as a standard for representing business data, XML data warehouses appear as suitable solutions for Web-based decision-support applications. In this context, i...
Marouane Hachicha, Hadj Mahboubi, Jérô...
FOIS
2006
13 years 6 months ago
Formalizing Ontology Alignment and its Operations with Category Theory
An ontology alignment is the expression of relations between different ontologies. In order to view alignments independently from the language expressing ontologies and from the te...
Antoine Zimmermann, Markus Krötzsch, Jé...
CORR
2011
Springer
183views Education» more  CORR 2011»
12 years 11 months ago
Pattern tree-based XOLAP rollup operator for XML complex hierarchies
—With the rise of XML as a standard for representing business data, XML data warehousing appears as a suitable solution for decision-support applications. In this context, it is ...
Marouane Hachicha, Jérôme Darmont
DAM
2008
125views more  DAM 2008»
13 years 4 months ago
Heyting algebras with Boolean operators for rough sets and information retrieval applications
This paper presents an algebraic formalism for reasoning on finite increasing sequences over Boolean algebras in general and on generalizations of Rough Set concepts in particular...
Eric SanJuan