Lightweight subject indexing for e-mail collections

Details Lightweight subject indexing for e-mail collections Lightweight subject indexing for e-mail collections

2005-03-29

2005-03-29

Rones, Charles (Department: 2165)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000

Reexamination Certificate

active

06873985

ABSTRACT:
A light weight subject indexing system including a candidate headword identification system for identifying candidate words in the subject line of a document which are not listed in a user modified common word list, a lexical context system for creating lexical context for an identified candidate headword, a ranking system for ranking all the candidate headwords identified for the subject lines of a document or message collection, and selecting among the ranked headwords for inclusion in an index based on that ranking, and an index creation system for listing candidate headwords selected by the ranking system.

REFERENCES:
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patent: 5708825 (1998-01-01), Sotomayor
patent: 5960383 (1999-09-01), Fleishcer
patent: 6167368 (2000-12-01), Wacholder
patent: 6236768 (2001-05-01), Rhodes et al.
patent: 6647383 (2003-11-01), August et al.
patent: 20020143871 (2002-10-01), Meyer et al.
patent: 20030105589 (2003-06-01), Liu et al.

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