Hypertext document retrieving apparatus for retrieving hypertext

Details Hypertext document retrieving apparatus for retrieving hypertext Hypertext document retrieving apparatus for retrieving hypertext

1997-05-22

1998-12-08

Von Buhr, Maria N.

Data processing: database and file management or data structures

Database design

Data structure types

707 5, 707104, G06F 1730

Patent

active

058484078

ABSTRACT:
A hypertext document and anchor sentences of parent documents for the hypertext document are registered with an hypertext document identifier as document information for each of hypertext documents having reference relationships with each other. A user can refer to one hypertext document according to an anchor sentence of another hypertext document functioning as a parent document. Also, occurrence positions of one word in hypertext documents and parent documents are registered as word information for each of words. When a keyword is input, a plurality of particular hypertext documents and particular parent documents in which the keyword appears are specified according to the word information, one particular hypertext document and corresponding particular parent documents are unified to a unified hypertext document for each particular hypertext document, an occurrence frequency of the keyword in each unified hypertext document is calculated according to the document information, importance degrees of the unified hypertext documents are calculated as those of the particular hypertext documents according to the occurrence frequencies, and ranking of the particular hypertext documents are determined according to those importance degrees. Because the occurrence frequency is calculated by considering the parent documents, the particular hypertext documents can be appropriately ranked.

REFERENCES:
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patent: 5598557 (1997-01-01), Doner et al.
patent: 5630117 (1997-05-01), Oren et al.
patent: 5642502 (1997-06-01), Driscoll
patent: 5694592 (1997-12-01), Driscoll
patent: 5694594 (1997-12-01), Chang
patent: 5754939 (1998-05-01), Herz et al.
patent: 5761418 (1998-06-01), Francis et al.
patent: 5768578 (1998-06-01), Kirk et al.
Gerard Salton, Introduction to Modern Information Retrieval: Text Analysis and Automatic Indexing (Chap. 3), Mc Graw-Hill, 1983, pp. 52-111.

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