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Direct linkMohler, Michael A. G. – ProQuest LLC, 2012
In this dissertation, I explore unsupervised techniques for the task of automatic short answer grading. I compare a number of knowledge-based and corpus-based measures of text similarity, evaluate the effect of domain and size on the corpus-based measures, and also introduce a novel technique to improve the performance of the system by integrating…
Descriptors: Grading, Test Items, Sentences, Computer Assisted Testing
