Method of indexing keywords for searching in a database...

Details Method of indexing keywords for searching in a database... Method of indexing keywords for searching in a database...

G - Physics

06

F

G06F 17/30 (2006.01) G11B 27/10 (2006.01) G11B 27/32 (2006.01)

Patent

CA 2082014

A method of storing and searching data on a mass storage medium is provided. A dictionary of keywords in a data file is compiled and a unique ID number is assigned to each keyword. A plurality of the most frequently occurring keywords are assigned ID numbers opposite in sense to the frequency of occurrence of the keyword. The dictionary of keywords is classified into a plurality of classes, the class of keywords least frequently occurring within the database having the fewest levels of indexing and the most amount of information regarding the exact location of a keyword within the data file.

L'invention est une méthode de stockage et de recherche de données sur un support de grande capacité. Un dictionnaire des mots-clés contenus dans un fichier de données est compilé et un numéro d'identification particulier est affecté à chaque mot-clé. Les mots-clés d'une pluralité de mots-clés les plus fréquents se voient attribuer des numéros d'identification variant en raison inverse de leur fréquence. Les mots-clés du dictionnaire sont groupés en classes, la classe des mots-clés les moins fréquents dans la base de données ayant le plus petit nombre de niveaux d'indexation et la plus grande quantité d'information de localisation des mots-clés dans le fichier de données.

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