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Scalable Authoritative OWL Reasoning for the Web

Scalable Authoritative OWL Reasoning for the Web

Aidan Hogan, Andreas Harth, Axel Polleres
Copyright: © 2009 |Volume: 5 |Issue: 2 |Pages: 42
ISSN: 1552-6283|EISSN: 1552-6291|ISSN: 1552-6283|EISBN13: 9781615204816|EISSN: 1552-6291|DOI: 10.4018/jswis.2009040103
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MLA

Hogan, Aidan, et al. "Scalable Authoritative OWL Reasoning for the Web." IJSWIS vol.5, no.2 2009: pp.49-90. http://doi.org/10.4018/jswis.2009040103

APA

Hogan, A., Harth, A., & Polleres, A. (2009). Scalable Authoritative OWL Reasoning for the Web. International Journal on Semantic Web and Information Systems (IJSWIS), 5(2), 49-90. http://doi.org/10.4018/jswis.2009040103

Chicago

Hogan, Aidan, Andreas Harth, and Axel Polleres. "Scalable Authoritative OWL Reasoning for the Web," International Journal on Semantic Web and Information Systems (IJSWIS) 5, no.2: 49-90. http://doi.org/10.4018/jswis.2009040103

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Abstract

In this article the authors discuss the challenges of performing reasoning on large scale RDF datasets from the Web. Using ter-Horst’s pD* fragment of OWL as a base, the authors compose a rule-based framework for application to web data: they argue their decisions using observations of undesirable examples taken directly from the Web. The authors further temper their OWL fragment through consideration of “authoritative sources” which counter-acts an observed behaviour which they term “ontology hijacking”: new ontologies published on the Web re-defining the semantics of existing entities resident in other ontologies. They then present their system for performing rule-based forward-chaining reasoning which they call SAOR: Scalable Authoritative OWL Reasoner. Based upon observed characteristics of web data and reasoning in general, they design their system to scale: the system is based upon a separation of terminological data from assertional data and comprises of a lightweight in-memory index, on-disk sorts and file-scans. The authors evaluate their methods on a dataset in the order of a hundred million statements collected from real-world Web sources and present scale-up experiments on a dataset in the order of a billion statements collected from the Web.

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