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When owl:sameAs is the Same: Experimenting Online Resolution of Identity with SPARQL queries to Linked Open Data Sources

Raphaël Gazzotti 1 Fabien Gandon 1
1 WIMMICS - Web-Instrumented Man-Machine Interactions, Communities and Semantics
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - SPARKS - Scalable and Pervasive softwARe and Knowledge Systems
Abstract : Equivalence links are the cornerstone of Linked Data and their integration. However, it is not easy to establish and manipulate them, since the Web is always evolving with datasets emerging and disappearing. Inconsistencies may also be present on the Web, leading to erroneous assertions and inferences. We propose a method to identify owl:sameAs relationships of a resource relying on online SPARQL querying of distributed datasets and to correct results using declarative curation rules. We also exploit and inspect the quality of owl:InverseFunctionalProperty and owl:FunctionalProperty relationships, using the definitions given by their schemata, endpoints and a voting approach. We evaluate our method on an existing benchmark and compare to state of the art baselines. We show that a heuristic approach can retrieve high quality equivalence links without requiring the extraction of all the alleged existing equivalence relations.
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https://hal.archives-ouvertes.fr/hal-03301330
Contributeur : Raphaël Gazzotti <>
Soumis le : mercredi 28 juillet 2021 - 09:19:17
Dernière modification le : jeudi 29 juillet 2021 - 03:59:23

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  • HAL Id : hal-03301330, version 2

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Raphaël Gazzotti, Fabien Gandon. When owl:sameAs is the Same: Experimenting Online Resolution of Identity with SPARQL queries to Linked Open Data Sources. WEBIST 2021 - 17th International Conference on Web Information Systems and Technologies, Oct 2021, Virtual, France. ⟨hal-03301330v2⟩

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