System for extracting information from a natural language text

Details System for extracting information from a natural language text System for extracting information from a natural language text

G - Physics

06

F

G06F 17/27 (2006.01)

Patent

CA 2493084

The invention relates to a system for extracting information from a natural language text. According to the invention, the extraction method consists in: encoding the words from the text by comparing said words with the contents of a lexicon of empty words (essentially articles, prepositions, conjunctions and verbal auxiliaries); and, subsequently, identifying noun phrases by searching for groups of encoded words that adhere to the pre-defined syntactic rules from among the subsets from the series of encoded words thus obtained.

Le procédé d'extraction effectue un codage des mots du texte en les comparant avec le contenu d'un lexique de mots outils (essentiellement articles, prépositions, conjonctions et auxiliaires verbaux), puis identifie des groupes nominaux en recherchant, parmi des sous-ensembles de la suite des mots codés ainsi obtenue, des groupes de mots codés répondant à des règles syntaxiques prédéfinies.

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