Data processing: database and file management or data structures – Database design – Data structure types
Patent
1998-02-23
2000-08-15
Black, Thomas G.
Data processing: database and file management or data structures
Database design
Data structure types
707 6, 707 4, 707 7, 707 10, 707100, 707102, 707 1, 707205, G06F 1730
Patent
active
061050229
ABSTRACT:
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.
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Published material concerning Livelink Search, a product of Open Text Corporation, printed from the Internet (no date unavailable). pp. 1-5.
International Standard ISO 8879, Information processing--Text and Office Systems--Standard Generalized Markup Language (SGML), First Edition 1986, pp. 1-155.
Kawaguchi Hisamitsu
Takahashi Toru
Yamasaki Noriyuki
Black Thomas G.
Hitachi , Ltd.
Mizrahi Diane D.
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