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Web driven Ontological Concepts Evaluation

Abstract : Ontology evaluation is vital for the development and the deployment of many applications like data annotation, retrieval information and semantic Web. In this paper, we expose a survey related to different aspects regarding ontology evaluation. Afterwards, we focus on the ontological concept evaluation task. We propose a new evaluation method based on a large collection of web documents and several context definitions deduced from it by applying a linguistic and a documentary analysis. Then based on these two context types, we define an algorithm which computes the credibility degree associated to each word cluster and to each context. Our algorithm titled Credibility Degree Computation and noted CDC helps the expert. It gives the possible word associations existing in these contexts, some semantic tags suggestions, deletes the noisy elements or moves them to their appropriate cluster. The CDC algorithm informs about the initial words of a given cluster and facilitates the evaluation task. Our evaluation method, which provides a qualitative and quantitative analysis, does not depend on a gold standard and it could be applied to any domain even if expert intervention is not available. Our experiments are conducted on French documents related to the tourism domain. The first obtained results show how our method assists and facilitates the evaluation task for the domain expert.
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https://hal-supelec.archives-ouvertes.fr/hal-00218162
Contributor : Evelyne Faivre <>
Submitted on : Friday, January 25, 2008 - 3:01:28 PM
Last modification on : Tuesday, June 30, 2020 - 4:04:07 PM

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  • HAL Id : hal-00218162, version 1

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Lobna Karoui. Web driven Ontological Concepts Evaluation. The IASTED European conference on internet and multimedia systems and applications EuroIMSA 2007, Mar 2007, France. pp.35-40. ⟨hal-00218162⟩

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