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SM4MQ: a semantic model for multidimensional queries

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10.1007/978-3-319-58068-5_28
 
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hdl:2117/113242

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Varga, JovanMés informació
Dobrokhotova, Ekaterina
Romero Moral, ÓscarMés informacióMés informacióMés informació
Bach Pedersen, Torben
Thomsen, Christian
Document typeConference report
Defense date2017
PublisherSpringer
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
On-Line Analytical Processing (OLAP) is a data analysis approach to support decision-making. On top of that, Exploratory OLAP is a novel initiative for the convergence of OLAP and the Semantic Web (SW) that enables the use of OLAP techniques on SW data. Moreover, OLAP approaches exploit different metadata artifacts (e.g., queries) to assist users with the analysis. However, modeling and sharing of most of these artifacts are typically overlooked. Thus, in this paper we focus on the query metadata artifact in the Exploratory OLAP context and propose an RDF-based vocabulary for its representation, sharing, and reuse on the SW. As OLAP is based on the underlying multidimensional (MD) data model we denote such queries as MD queries and define SM4MQ: A Semantic Model for Multidimensional Queries. Furthermore, we propose a method to automate the exploitation of queries by means of SPARQL. We apply the method to a use case of transforming queries from SM4MQ to a vector representation. For the use case, we developed the prototype and performed an evaluation that shows how our approach can significantly ease and support user assistance such as query recommendation.
CitationVarga, J., Dobrokhotova, E., Romero, O., Bach, T., Thomsen, C. SM4MQ: a semantic model for multidimensional queries. A: International Conference on Extended Semantic Web Conference. "The Semantic Web: 14th International Conference, ESWC 2017: Portorož, Slovenia, May 28-June 1, 2017: proceedings, part I". Portorož: Springer, 2017, p. 449-464. 
URIhttp://hdl.handle.net/2117/113242
DOI10.1007/978-3-319-58068-5_28
ISBN978-3-319-58068-5
Publisher versionhttps://link.springer.com/chapter/10.1007%2F978-3-319-58068-5_28
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  • GESSI - Grup d'Enginyeria del Software i dels Serveis - Ponències/Comunicacions de congressos [197]
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  • Departament d'Enginyeria de Serveis i Sistemes d'Informació - Ponències/Comunicacions de congressos [566]
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