Augmenting Tables by Self-supervised Web Search

Löser, Alexander; Nagel, Christoph; Pieper, Stephan

doi:10.1007/978-3-642-22970-1_7

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Cited by 4 publications

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“…In the context of situational BI the process of augmenting local data with data retrieved from web sources is discussed in [12].…”

Section: Related Workmentioning

confidence: 99%

Enhancing OLAP Analysis with Web Cubes

Etcheverry

Vaisman

2012

Lecture Notes in Computer Science

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Abstract. Traditional OLAP tools have proven to be successful in analyzing large sets of enterprise data. For today's business dynamics, sometimes these highly curated data is not enough. External data (particularly web data), may be useful to enhance local analysis. In this paper we discuss the extraction of multidimensional data from web sources, and their representation in RDFS. We introduce Open Cubes, an RDFS vocabulary for the specification and publication of multidimensional cubes on the Semantic Web, and show how classical OLAP operations can be implemented over Open Cubes using SPARQL 1.1, without the need of mapping the multidimensional information to the local database (the usual approach to multidimensional analysis of Semantic Web data). We show that our approach is plausible for the data sizes that can usually be retrieved to enhance local data repositories.

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“…In the context of situational BI the process of augmenting local data with data retrieved from web sources is discussed in [12].…”

Section: Related Workmentioning

confidence: 99%