Method of indexing and retrieval of electronically-stored docume

Details Method of indexing and retrieval of electronically-stored docume Method of indexing and retrieval of electronically-stored docume

1997-04-04

2000-06-06

Kulik, Paul V.

Data processing: database and file management or data structures

Database design

Data structure types

707 5, G06F 1730

Patent

active

RE0367273

ABSTRACT:
A document indexing and retrieval system and method which assigns weights to the key words and assigns a relative value to pairs of key words (i.e. defines a relative relation on K.times.K) based on their frequency of occurrence and co-occurrence in the document data base. In response to a query both the weights and this relative relation are used to suggest additional and/or alternative key words which are very likely to find relevant documents. Documents are then ranked by number of hits adjusted for the weights of hit words and their relative values.

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G. Salton, "Automatic Text Processing," Addison-Wesley, Reading, MA, 1989, pp. 229-371.

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