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Article Dans Une Revue Semantic Web – Interoperability, Usability, Applicability Année : 2022

Rel Topic : A graph-based semantic relatedness measure in topic ontologies and its applicability for topic labeling of old press articles

Résumé

Graph-based semantic measures have been used to solve problems in several domains. They tend to compare semantic entities in order to estimate their similarity or relatedness. While semantic similarity is applicable to hierarchies or taxonomies, semantic relatedness is adapted to ontologies. In this work, we propose a novel semantic relatedness measure, named Rel Topic , within topic ontologies for topic labeling purposes. In contrast to traditional measures, which are dependent on textual resources, Rel Topic considers semantic properties of entities in ontologies. Thus, correlations of nodes and weights of nodes and edges are assessed. The pertinence of Rel Topic is evaluated for topic labeling of old press articles. For this purpose, a topic ontology representing the articles, named Topic-OPA, is derived from open knowledge graphs by applying a SPARQL-based automatic approach. A use-case is presented in the context of the old French newspaper Le Matin. The generated topics are evaluated using a dual evaluation approach with the help of human annotators. Our approach shows an agreement quite close to that shown by humans. The entire approach’s reuse is demonstrated for labeling a different context of articles, recent (modern) newspapers.
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Dates et versions

hal-03792787 , version 1 (30-09-2022)

Identifiants

Citer

Mirna El Ghosh, Nicolas Delestre, Jean-Philippe Kotowicz, Cecilia Zanni-Merk, Habib Abdulrab. Rel Topic : A graph-based semantic relatedness measure in topic ontologies and its applicability for topic labeling of old press articles. Semantic Web – Interoperability, Usability, Applicability, 2022, pp.1-29. ⟨10.3233/SW-222919⟩. ⟨hal-03792787⟩
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