News clipping method and system

Details News clipping method and system News clipping method and system

1997-07-10

1999-10-19

Ho, Ruay Lian

Data processing: database and file management or data structures

Database design

Data structure types

703 3, 703 5, G06F 1730

Patent

active

059704853

ABSTRACT:
A method of fast clipping, despite of large number of users, can be achieved through analyzing query expressions, storing the number of query terms included in the query expressions in a term number count table, generating a finite automaton for matching the terms occurring in text data with all terms included in the query expressions, generating a user identifier table for storing the identifiers of users in association with the terms included in the query expressions, matching the terms by scanning the text data by the finite automaton, calculating for each user the occurrence count of terms occurring in the text data as substrings coincident with the terms included in the query expressions made to the user identifier table, storing the calculated occurrence count in the term occurrence count region of the table, comparing the calculated term occurrence count of the table with the number of terms included the query expressions, and when a match is found from the comparison, delivering the text data to the user.

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patent: 5721902 (1998-02-01), Schultz
patent: 5737734 (1998-04-01), Schultz
patent: 5742816 (1998-04-01), Barr et al.
Communications of the ACM, Jun. 1975, vol. 18, No. 6, "Efficient String Matching: An Aid to Bibliographic Search", A. Aho et al, pp. 333-340.

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