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Practical use of a latent semantic analysis (LSA) model for automatic evaluation of written answers

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Figure

Fig. 1 Model performance of model baseline for the Biology question. Scores attributed to the Biology question’s answers by human evaluators andmodel baseline (unigrams and bigrams)
Fig. 3 Model performance of model LSA the Biology question. Scores attributed to the Biology question’s answers by human evaluators and modelLSA (unigrams and bigrams)
Table 1 Absolute frequency LSA × human

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