System for searching internet using automatic relevance feedback

Details System for searching internet using automatic relevance feedback System for searching internet using automatic relevance feedback

1997-12-18

2000-06-20

Amsbury, Wayne

Data processing: database and file management or data structures

Database design

Data structure types

707 5, G06F 1730

Patent

active

060789174

ABSTRACT:
A method of retrieving documents from a document database is disclosed. A set of documents is retrieved according to a first search statement. A signature for a first retrieved document, and preferably other documents by searching for words in the first document and removing common words which occur in a relatively high frequency in a natural language in which the first document is written. The document for which the signature was developed is displayed. Responsive to a user indication that a second search is to be made, deriving a second search statement from the signature of the document.
In the preferred embodiment, a "spectrum" of documents is prepared and presented to the user. The signatures of a plurality of documents from the documents retrieved according to the first search statement by searching for words in the documents and removing common words which occur in a relatively high frequency in a natural language in which the documents are written. The spectrum of documents is selected so that the document signatures differ by at least a predetermined amount. The user may select more than one document to derive further search statement. Responsive to determining that the user has selected a plurality of documents in the spectrum of displayed documents, the second search statement is derived from the signatures of the selected documents.

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Technical Disclosure Bulletin, v38 N5 May 1995, P145-148, Resolver Library Routines, Amra, NK, (Rochester).

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