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

Topics: Big Data and Data Mining Methods for the Semantic Web; Knowledge Representation and Reasoning on the Web; Linked Data, Big Data and Applications in Companies; Ontology Discovering, Modelling, Retrieving and the Semantic Web; Semantic Interoperability

Authors: Raphaël Gazzotti and Fabien Gandon

Affiliation: Université Côte d’Azur, Inria, CNRS, I3S, Sophia-Antipolis, France

Keyword(s): Equivalence Links, Coreference Resolution, SPARQL, Linked Data, Data Curation, sameAs.

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.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Gazzotti, R. and Gandon, F. (2021). When owl:sameAs is the Same: Experimenting Online Resolution of Identity with SPARQL Queries to Linked Open Data Sources. In Proceedings of the 17th International Conference on Web Information Systems and Technologies - WEBIST; ISBN 978-989-758-536-4; ISSN 2184-3252, SciTePress, pages 41-52. DOI: 10.5220/0010654400003058

@conference{webist21,
author={Raphaël Gazzotti. and Fabien Gandon.},
title={When owl:sameAs is the Same: Experimenting Online Resolution of Identity with SPARQL Queries to Linked Open Data Sources},
booktitle={Proceedings of the 17th International Conference on Web Information Systems and Technologies - WEBIST},
year={2021},
pages={41-52},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010654400003058},
isbn={978-989-758-536-4},
issn={2184-3252},
}

TY - CONF

JO - Proceedings of the 17th International Conference on Web Information Systems and Technologies - WEBIST
TI - When owl:sameAs is the Same: Experimenting Online Resolution of Identity with SPARQL Queries to Linked Open Data Sources
SN - 978-989-758-536-4
IS - 2184-3252
AU - Gazzotti, R.
AU - Gandon, F.
PY - 2021
SP - 41
EP - 52
DO - 10.5220/0010654400003058
PB - SciTePress