Correction et complétude d'un algorithme de recherche d'information par treillis de concepts
Identifieur interne : 004A30 ( Main/Exploration ); précédent : 004A29; suivant : 004A31Correction et complétude d'un algorithme de recherche d'information par treillis de concepts
Auteurs : Nizar Messai [France] ; Marie-Dominique Devignes [France] ; Amedeo Napoli [France] ; Malika Smaïl-Tabbone [France]Source :
- Revue des Nouvelles Technologies de l'Information [ 1764-1667 ] ; 2007.
Abstract
Dans cet article nous présentons BR-Explorer, un algorithme de recherche d'information correct et complet qui s'appuie sur la classification par treillis de concepts. L'algorithme BR-Explorer a pour objectif la recherche d'objets pertinents pour une requête donnée. Initialement, nous disposons d'un contexte formel représentant la relation entre un ensemble d'objets décrits par un ensemble d'attributs et du treillis de concepts correspondant à ce contexte. Étant donné une requête, l'algorithme BR-Explorer commence par générer un concept formel représentant la requête puis l'insère dans le treillis de concepts. Ensuite, BR-Explorer localise, dans le treillis résultant, un ``concept pivot'' à partir duquel il construit la réponse à la requête étape par étape en effectuant un parcours en largeur des concepts subsumants le concept pivot jusqu'au concept le plus général du treillis. Finalement BR-Explorer retourne en réponse l'ensemble des objets pertinents ordonnés selon leur degré de pertinence pour la requête.
Url:
Affiliations:
- France
- Grand Est, Lorraine (région)
- Nancy
- Institut national polytechnique de Lorraine, Université Nancy 2, Université de Lorraine
Links toward previous steps (curation, corpus...)
- to stream Hal, to step Corpus: 005940
- to stream Hal, to step Curation: 005940
- to stream Hal, to step Checkpoint: 003C34
- to stream Main, to step Merge: 004F48
- to stream Main, to step Curation: 004A30
Le document en format XML
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<series><title level="j">Revue des Nouvelles Technologies de l'Information</title>
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<front><div type="abstract" xml:lang="fr">Dans cet article nous présentons BR-Explorer, un algorithme de recherche d'information correct et complet qui s'appuie sur la classification par treillis de concepts. L'algorithme BR-Explorer a pour objectif la recherche d'objets pertinents pour une requête donnée. Initialement, nous disposons d'un contexte formel représentant la relation entre un ensemble d'objets décrits par un ensemble d'attributs et du treillis de concepts correspondant à ce contexte. Étant donné une requête, l'algorithme BR-Explorer commence par générer un concept formel représentant la requête puis l'insère dans le treillis de concepts. Ensuite, BR-Explorer localise, dans le treillis résultant, un ``concept pivot'' à partir duquel il construit la réponse à la requête étape par étape en effectuant un parcours en largeur des concepts subsumants le concept pivot jusqu'au concept le plus général du treillis. Finalement BR-Explorer retourne en réponse l'ensemble des objets pertinents ordonnés selon leur degré de pertinence pour la requête.</div>
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<name sortKey="Smail Tabbone, Malika" sort="Smail Tabbone, Malika" uniqKey="Smail Tabbone M" first="Malika" last="Smaïl-Tabbone">Malika Smaïl-Tabbone</name>
</country>
</tree>
</affiliations>
</record>
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