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Patent Title: Managing directory listings in a relational database

Assignee: IBM
Patent Number: US6192373
Issue Date: 02-20-2001
Application Number:
File Date:05-15-1998

Abstract: A method for managing hierarchal listings of indented caption sets in a relational database of complete listings, comprising the steps of: uniquely identifying each listing by a listing object identifier (LOID); uniquely identifying each caption set within the listings and each level of indentation for each caption set by a caption set object identifier (CSOID); parsing individual words of each listing; creating a relational table indexed by the relational database with an entry for each of the parsed words, each of the entries including a respective LOID and CSOID for each parsed word; searching for caption sets in the relational database by searching the parsed words in the relational table; and, using the LOID and the CSOID as index links to the relational database to retrieve data, for example telephone numbers, stored exclusively in the relational database.

Notes:

Link to USPTO

IBM Pledge dated 1/11/2005