Owl: sameAs and Linked Data: An Empirical Study

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Executive Summary

Linked Data is a steadily growing presence on the Web. In Linked Data, the description of resources can be obtained incrementally by dereferencing the URIs of resources via the HTTP protocol. The use of owl:sameAs further enriches the Linked Data space by declaratively supporting distributed semantic data integration at the instance level. When consuming Linked Data, users should be careful when handling owl: sameAs in that URIs linked by owl: sameAs may not be appropriate for simple aggregation, and that recursively exploring owl:sameAs may lead to considerable network over-head. In this paper, the authors discuss and conduct an empirical pilot study on the usage of owl:sameAs in the Linked Data community.

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