Julie Ann Murphy

US Patent:

20020194174, Dec 19, 2002

Filed:

Apr 11, 2001

Appl. No.:

09/832572

Inventors:

W. Dwight Calkins - Dallas TX, US
Ruth Donnelly - New Milford PA, US
Julie Murphy - Vestal NY, US
Joseph Vanlone - Hartsville SC, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F007/00

US Classification:

707/006000

Abstract:

A system and method for identifying duplicate invoices among multiple systems, the method including the steps of loading first invoices having an index number into a database during a first predetermined time period; for each invoice having said index number, searching the database for another invoice, loaded during a second earlier time period, having the same index number and replacing the another invoice, if found, with said first invoice; comparing each first invoice for which no matching index number invoice was found with all other first invoices for which no matching index number invoice was found; comparing each of the first invoices for which no matching index number invoice was found with all the other invoices including the replaced invoices in the database; generating reports of the comparing steps, the reports listing invoices which compared; and eliminating from the database the first invoices deemed to have compared.