The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 01, 2010

Filed:

Sep. 22, 2004
Applicants:

Jill Burstein, Princeton, NJ (US);

Daniel Marcu, Marina del Ray, CA (US);

Martin Sanford Chodorow, New York, NY (US);

Claudia Leacock, New York, NY (US);

Vyacheslav Andreyev, Ewing, NJ (US);

Inventors:

Jill Burstein, Princeton, NJ (US);

Daniel Marcu, Marina del Ray, CA (US);

Martin Sanford Chodorow, New York, NY (US);

Claudia Leacock, New York, NY (US);

Vyacheslav Andreyev, Ewing, NJ (US);

Assignee:

Educational Testing Service, Princeton, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An essay is analyzed automatically by accepting the essay and determining whether each of a predetermined set of features is present or absent in each sentence of the essay. For each sentence in the essay a probability that the sentence is a member of a certain discourse element category is calculated. The probability is based on the determinations of whether each feature in the set of features is present or absent. Furthermore, based on the calculated probabilities, a sentence is chosen as the choice for the discourse element category.


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