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DOLAP
2003
ACM
15 years 12 months ago
Implementing operations to navigate semantic star schemas
In the last years, lots of work have been devoted to multidimensional modeling, star shape schemas and OLAP operations. However, “drill-across” has not captured as much attent...
Alberto Abelló, José Samos, Fè...
DEXA
2000
Springer
76views Database» more  DEXA 2000»
15 years 11 months ago
Semantic Verification of Rule-Based Systems with Arithmetic Constraints
The aim of this paper is to show a method that is able to detect a particular class of semantic inconsistencies in a rule-based system (RBS). A semantic inconsistency is defined by...
Jaime Ramírez, Angélica de Antonio
DEXA
2006
Springer
193views Database» more  DEXA 2006»
15 years 10 months ago
Understanding and Enhancing the Folding-In Method in Latent Semantic Indexing
Abstract. Latent Semantic Indexing(LSI) has been proved to be effective to capture the semantic structure of document collections. It is widely used in content-based text retrieval...
Xiang Wang 0002, Xiaoming Jin
EDBT
2008
ACM
136views Database» more  EDBT 2008»
15 years 8 months ago
Dealing with P2P semantic heterogeneity through query expansion and interpretation
In P2P systems where query initiators and information providers do not necessarily share the same ontology, semantic interoperability generally relies on ontology matching or sche...
Anthony Ventresque, Sylvie Cazalens, Philippe Lama...
CIKM
2010
Springer
15 years 5 months ago
Visual-semantic graphs: using queries to reduce the semantic gap in web image retrieval
We explore the application of a graph representation to model similarity relationships that exist among images found on the Web. The resulting similarity-induced graph allows us t...
Barbara Poblete, Benjamin Bustos, Marcelo Mendoza,...