Patent · US Expired

Automatic essay scoring system using content-based techniques

US6115683A · kind A · utility

66Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 1997
Grant dateSep 5, 2000
Priority date
Expiry dateMar 31, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F40/284
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A system for carrying out a content-based process for automatically scoring essays is disclosed. The system includes a computer; a data storage device; a parse tree file stored in the data storage device, the parse tree file being representative of an essay in a parse tree format; a morphology stripping program; a concept extraction program for creating, on the basis of a morphology-stripped parse tree file, a phrasal node file; and a rule matching scoring program for scoring the essay on the basis of the phrasal node file.

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