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Issue title: Special Issue on Benchmarking Linked Data
Guest editors: Axel-Cyrille Ngonga Ngomo, Irini Fundulaki and Anastasia Krithara
Article type: Research Article
Authors: Spahiu, Blerinaa; * | Maurino, Andreaa | Meusel, Robertb
Affiliations: [a] Department of Informatics, Systems and Communication, University of Milano-Bicocca, Milano, Italy. E-mails: spahiu@disco.unimib.it, maurino@disco.unimib.it | [b] Data and Web Science Group, University of Mannheim, Mannheim, Germany. E-mail: robert@dwslab.de
Correspondence: [*] Corresponding author. E-mail: spahiu@disco.unimib.it.
Abstract: Topical profiling of the datasets contained in the Linking Open Data (LOD) cloud has been of interest since such kind of data became available within the Web. Different automatic classification approaches have been proposed in the past, in order to overcome the manual task of assigning topics for each and every individual (new) dataset. Although the quality of those automated approaches is comparably sufficient, it has been shown, that in most cases a single topical label per dataset does not capture the topics described by the content of the dataset. Therefore, within the following study, we introduce a machine-learning based approach in order to assign a single topic, as well as multiple topics for one LOD dataset and evaluate the results. As part of this work, we present the first multi-topic classification benchmark for LOD cloud datasets, which is freely accessible. In addition, the article discusses the challenges and obstacles, which need to be addressed when building such a benchmark.
Keywords: Benchmarking, topic classification, linked open data, LOD, topical profiling
DOI: 10.3233/SW-180323
Journal: Semantic Web, vol. 10, no. 2, pp. 329-348, 2019
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