Jihoon H Yang

US Patent:

20030028503, Feb 6, 2003

Filed:

Apr 13, 2001

Appl. No.:

09/835064

Inventors:

Giovanni Giuffrida - Los Angeles CA, US
Eddie Shek - Sherman Oaks CA, US
Jihoon Yang - Fairfax VA, US

International Classification:

G06F007/00

US Classification:

707/001000

Abstract:

A spatial knowledge base approach for the automatic extraction of metadata from electronic documents The electronic document is converted to a substantially format invariant data file by an intermediate language conversion element Spatial layout facts are extracted and combined with spatial layout rules from a knowledge engineer in a spatial metadata-reasoning element to provide the metadata The invention is based on mimicking the visual and spatial knowledge that humans make use of when reading a document.