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Querying semantic web data cubes

Etcheverry, Lorena
; 
Vaisman, Alejandro Ariel
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Ponencia en congreso
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Abstract
"We address the problem of querying data cubes for Online Analytical Processing (OLAP) analysis, directly on the Semantic Web (SW). We rst introduce CQL, a simple algebra for querying data cubes at a conceptual level. Taking advantage of QB4OLAP metadata, we automatically translate CQL queries into SPARQL ones, and propose query optimization strategies that adapt, to the particular OLAP set ting, general-purpose techniques. A web application allows exploring and querying OLAP cubes on the SW, using the machinery presented here."
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2016
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Keywords
OLAP, WEB SEMANTICA, ALGEBRA, SPARQL
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http://ri.itba.edu.ar/handle/20.500.14769/3814
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