Data structure, system and method for knowledge navigation...

G - Physics – 06 – N

Patent

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G06N 5/00 (2006.01) G06F 17/30 (2006.01)

Patent

CA 2682602

Data structures, systems, methods and computer program products that enable precise information retrieval and extraction, and thus facilitate relational and associative discovery are disclosed. The present invention utilizes a novel data structure termed a "Knowlet" which combines multiple attributes and values for relationships between concepts. While texts contain many re-iterations of factual statements, Knowlets record relationships between two concepts only once and the attributes and values of the relationships change based on multiple instances of factual statements, increasing co-occurrence or associations. The present invention's approach results in a minimal growth of the Knowlet space as compared to the text space and it thus useful where there is a vast data store, a relevant ontology/thesaurus, and a need for knowledge navigation and (relational, associative, and/or other) knowledge discovery.

L'invention concerne des structures de données, des systèmes, des procédés et des programmes informatiques permettant de récupérer et d'extraire avec précision des informations et, ainsi, de faciliter le processus de découverte relationnelle et associative. La présente invention utilise une nouvelle structure de données dite "Knowlet" qui combine plusieurs attributs et valeurs pour des relations entre des concepts. Alors que les textes contiennent de nombreuses réitérations d'exposés factuels, les Knowlets enregistrent les relations entre deux concepts une fois seulement et les attributs et les valeurs des relations changent sur la base d'instances multiples d'exposés factuels, augmentant la cooccurrence ou les associations. L'approche de la présente invention permet de réduire à un minimum la croissance de l'espace d'un Knowlet par rapport à l'espace accordé au texte et est, par conséquent, utile dans le cas d'une vaste mémoire de données, d'une ontologie/d'un thésaurus pertinent et pour naviguer (navigation relationnelle, associative et/ou autre) à travers les savoirs et découvrir des savoirs.

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