Document retrieval method and document retrieval system

Details Document retrieval method and document retrieval system Document retrieval method and document retrieval system

2006-05-02

2006-05-02

Mofiz, Apu M. (Department: 2165)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

07039636

ABSTRACT:
Word boundary identification operations such as morpheme analysis is performed on documents to be registered, and the top positions and the end positions of words are identified. Word boundary information is obtained based on these identification results. Search indexes are created for sub-strings of a predetermined length (n-grams) extracted from the document being registered. The search index includes document identification information as well as occurrence position information which indicates that the string is located at the n-th position from the beginning of the text data, and word boundary information for an n-gram in a document.

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(*Information Retrieval) Data Structures & Algorithms by William B. Frakes, Editors: Ricardo Baeza-Yates, Prentice-Hall, 1992, pp. 21-23.

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