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Automatic Essay Scoring System

Author(s):
Andreyev, Vyacheslav; Attali, Yigal; Burstein, Jill
Patent Issued:
Jun 25, 2013
Patent Number:
8,472,861
Source:
ETS Patent
Document Type:
Patent
Family ID:
34572780
Subject/Key Words:
Patent, Active Patent, Automated Scoring and Natural Language Processing, Automated Essay Scoring (AES), Essay Assessment, Writing Errors

Abstract

Systems and methods for building a model for use in grading an essay are provided. A plurality of human graded essays are evaluated using a processor to generate a set of features. A score category is determined for each of the plurality of human graded essays. A weight is produced using a processor for each feature based on the score category for each of the plurality of human graded essays and the set of features. A model is generated using a processor based on the weights for the set of features for evaluating an essay. The set of features includes n features, where the first k features have optimized weights, and the last n-k features have fixed predetermined weights.

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