Insights from Russian second language readability classification: complexity-dependent training requirements, and feature evaluation of multiple categories

@inproceedings{Reynolds2016InsightsFR,
  title={Insights from Russian second language readability classification: complexity-dependent training requirements, and feature evaluation of multiple categories},
  author={Robert Joshua Reynolds},
  booktitle={BEA@NAACL-HLT},
  year={2016}
}
I investigate Russian second language readability assessment using a machine-learning approach with a range of lexical, morphological, syntactic, and discourse features. Testing the model with a new collection of Russian L2 readability corpora achieves an F-score of 0.671 and adjacent accuracy 0.919 on a 6-level classification task. Information gain and feature subset evaluation shows that morphological features are collectively the most informative. Learning curves for binary classifiers… CONTINUE READING

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