G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 17/20 (2006.01) G06F 7/00 (2006.01) G06F 17/30 (2006.01)
Patent
CA 2230333
A text cataloging method includes a step of cataloging already-analyzed-text data obtained from an analysis of a logical structure of a text to be cataloged in a text database, a step of creating a structure index by sequentially superposing logical structures of texts to be cataloged, wherein a single metaelement is used for representing a group of elements in the texts having the same position of appearance in one of the texts and the same element type, a single piece of meta-character-string data is used for representing a group of pieces of character-string data in the texts having the same position of appearance in one of the texts, and a context identifier is assigned to each metanode composing a tree like structure of the structure index for uniquely identifying the metanode; a step of generating structured-full-text data composed of definitions of associative relations between all pieces of character-string data included in already-analyzed-text data of each text to be cataloged, and context identifiers of pieces of meta- character-string data in the structure index used for representing the pieces of character-string data; and a character-string-index updating step, including the sub-steps of extracting partial character strings, generating structured-character-position information, and updating a character-string index.
Kawaguchi Hisamitsu
Takahashi Toru
Yamasaki Noriyuki
Hitachi Ltd.
Kirby Eades Gale Baker
LandOfFree
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