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Mining semantic association rules from RDF data

Barati, M, Bai, Q ORCID: 0000-0003-1214-6317 and Liu, Q 2017 , 'Mining semantic association rules from RDF data' , Knowledge-Based Systems, vol. 133 , pp. 183-196 , doi:

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The Semantic Web opens up new opportunities for the data mining research. Semantic Web data is usually represented in the RDF triple format (subject, predicate, object). Large RDF-style Knowledge Bases contain hundreds of millions of RDF triples that represent knowledge in a machine-understandable format. Association rule mining is one of the most effective techniques for detecting frequent patterns. In the context of Semantic Web data mining, most existing methods rely on users intervention that is time-consuming and error-prone due to a large amount of data. Meanwhile, rule quality factors (e.g. support and confidence) usually consider knowledge at the instance-level. Namely, these factors disregard the knowledge embedded at the schema-level. In this paper, we demonstrate that ignoring knowledge encoded at the schema-level negatively impacts the interpretation of discovered rules. We introduce an approach called SWARM (Semantic Web Association Rule Mining) that automatically mines Semantic Association Rules from RDF data. The main achievement of SWARM is to reveal common behavioural patterns associated with knowledge at the instance-level and schema-level. We discuss how to utilize knowledge encoded at the schema-level to add more semantics to the rules. We compare the semantic of rules discovered by SWRAM with one of the latest approaches in this field to show the importance of considering schema-level knowledge. Initial experiments performed on RDF-style Knowledge Bases demonstrate the effectiveness of the proposed approach.

Item Type: Article
Authors/Creators:Barati, M and Bai, Q and Liu, Q
Keywords: Semantic Web data, association rule mining, ontology, knowledge discovery
Journal or Publication Title: Knowledge-Based Systems
Publisher: Elsevier Science Bv
ISSN: 0950-7051
DOI / ID Number:
Copyright Information:

Copyright 2017 Elsevier B.V.

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