Computer-Implemented Systems and Methods for Evalu

专利名称：Computer-Implemented Systems and

Methods for Evaluating Use of SourceMaterial in Essays

发明人：Beata Beigman Klebanov,Nitin Madnani,Jill

Burstein,Swapna Somasundaran

申请号：US14640121申请日：20150306

公开号：US20150254229A1公开日：20150910

专利附图：

摘要：Systems and methods are provided for a computer-implemented method of

providing a score that measures an essay's usage of source material provided in at leastone written text and an audio recording. Using one or more data processors, adetermination is made of a list of n-grams present in a received essay. For each of aplurality of present n-grams, an n-gram weight is determined, where the n-gram weight isbased on a number of appearances of that n-gram in the at least one written text and anumber of appearances of that n-gram in the audio recording, and an n-gram sub-metricis determined based on the presence of the n-gram in the essay and the n-gram weight. Asource usage metric is determined based on the n-gram sub-metrics for the plurality ofpresent n-grams, and a scoring model is used to generate a score for the essay based onthe source usage metric.

申请人：Educational Testing Service

地址：Princeton NJ US

国籍：US

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