2010
DOI: 10.1109/tla.2010.5514441
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Populating Data Warehouses with Semantic Data

Abstract: Resumen-Debido al auge de la Web Semántica cada vez existen más repositorios con grandes cantidades de datos semánticos (datos anotados con elementos de ontologías), con una estructura compleja, semi-estructurada y heterogénea. En este artículo se presenta un método para la construcción automática de tablas de hechos a partir de datos enriquecidos semánticamente y almacenados en forma de instancias RDF/OWL. Como punto de partida, el método toma un esquema multidimensional en forma de estrella (el tema de análi… Show more

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“…In the cases where the number of records in relational database becomes very high, the query processing time becomes very long [6]. Data warehouses [7][8][9] which store consolidated historic data can be constructed from relational databases. Data warehouse (DW) database store very small number of records for a large number of records in relational database [6].…”
Section: Introductionmentioning
confidence: 99%
“…In the cases where the number of records in relational database becomes very high, the query processing time becomes very long [6]. Data warehouses [7][8][9] which store consolidated historic data can be constructed from relational databases. Data warehouse (DW) database store very small number of records for a large number of records in relational database [6].…”
Section: Introductionmentioning
confidence: 99%