Method for thematic classification of documents, thematic...

Details Method for thematic classification of documents, thematic... Method for thematic classification of documents, thematic...

G - Physics

06

F

G06F 17/30 (2006.01)

Patent

CA 2385503

The invention concerns a method for thematic classification of documents, in particular for constituting or updating thematic databases (42) for a search engine, comprising steps which consist in: selecting documents representing each theme; identifying in the selected documents elements characteristic of each theme; assigning to each identified element a coefficient (R) representing the relevance of said element relative to the corresponding theme; and, for each document (50) to be classified, identifying said elements characteristic of each theme it contains, and for each theme which corresponds to them, computing from the coefficient assigned to said elements, the value of a characteristic representative the relevance to the theme for said document (50) to determine whether said document is related or not to said theme.

Ce procédé de classification thématique de documents, notamment pour la constitution ou la mise à jour de bases de données thématiques (42) pour moteur de recherche, comprend les étapes de sélection de documents représentatifs de chaque thème, identification, dans les documents sélectionnés, des éléments caractéristiques de chaque thème, affectation, à chaque élément identifié, d'un coefficient (R) représentatif de la pertinence de cet élément vis à vis du thème correspondant et, pour chaque document (50) à classifier, identification desdits éléments caractéristiques de chaque thème qu'il contient et, pour chaque thème qui leur correspond, calcul, à partir du coefficient affecté à ces éléments, de la valeur d'une caractéristique représentative de la pertinence du thème pour ce document (50) pour décider si ce document porte ou non sur ce thème.

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