TEXT RETRIEVAL METHOD AND DEVICE, TEXT RETRIEVAL PROGRAM AND STORAGE MEDIUM STORING TEXT RETRIEVAL PROGRAM

Title:

TEXT RETRIEVAL METHOD AND DEVICE, TEXT RETRIEVAL PROGRAM AND STORAGE MEDIUM STORING TEXT RETRIEVAL PROGRAM

Document Type and Number:

Japanese Patent JP2004046438

Kind Code:

A

Abstract:

To promptly search phrases.

As a stanza of two words, a break character is inserted on the boundary of the words constituting the stanza, an index table is produced in which document IDs are aligned by which the stanza is extracted using the stanza as a key, when retrieving, a word is extracted by conducting a morphological analysis regarding an inputted retrieval request, if the extracted words make a phrase composed of two or more words, every stanza of two words included in the phrase is extracted, using the extracted stanza as a key, the index table is searched, and the search result is acquired and outputted.

Inventors:

INOUE TAKASHI
SUGIZAKI MASAYUKI
OMORI NOBUYUKI
INAGAKI HIROTO

Application Number:

JP2002201561A

Publication Date:

February 12, 2004

Filing Date:

July 10, 2002

Export Citation:

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Assignee:

NIPPON TELEGRAPH & TELEPHONE

International Classes:

G06F17/30; (IPC1-7): G06F17/30

Attorney, Agent or Firm:

Tadahiko Ito

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