Patent · US Active

Method and system for extracting information from unstructured text using symbolic machine learning

US8140323B2 · kind B2 · utility

40Cited by

12References

16Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

David E. Johnson · Cedar Park, US
Frank J. Oles · Peekskill, US

Key dates

Filing date	Jul 23, 2009
Grant date	Mar 20, 2012
Priority date	—
Expiry date	Jan 26, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG06F40/205
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method (and structure) of extracting information from text, includes parsing an input sample of text to form a parse tree and using user inputs to define a machine-labeled learning pattern from the parse tree.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.