Fuzzy alphanumeric search apparatus and method

Data processing: database and file management or data structures – Database design – Data structure types

Reexamination Certificate

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C707S793000, C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

07464101

ABSTRACT:
A fuzzy alphanumeric search apparatus searches for a search character string (e.g., MPN) in a source character string (CPN) database. The match is fuzzy since it only matches some of the MPN characters (referred to as tokens) against some of the CPN characters. Nearly all part numbers have a base number (base token) that is typically found at the beginning of the MPN. A base token and other tokens are generated, used to identify CPNs having the greatest total of MPN character position matches, and are outputted as a potential (fuzzy) CPN match list to the user. The user then determines if in fact a true CPN match is found in the fuzzy CPN list. The Fuzzy MPN match technique is significantly faster than manual wildcard searches.

REFERENCES:
patent: 6515598 (2003-02-01), Parenteau et al.
patent: 6523041 (2003-02-01), Morgan et al.
patent: 7127458 (2006-10-01), Mantripragada et al.
patent: 2003/0220852 (2003-11-01), Back et al.
patent: 2005/0015524 (2005-01-01), Yamada
“Fuzzy Lookups and Groupings Provide Powerful Data Cleansing Capabilities” by Jay Nathan, MSDN magazine SQL Server 2005, Sep. 2005, pp. 87-92.

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