Tono Linguistic feature extraction #cefr #cl2015

Yukio Tono

Linguistic feature extraction and evaluation using machine learning to identify “criterial” grammar constructions for the CEFR levels

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L2 learner profile

English Profile – CEFR for Englsih

Criterial features: Hawkins & Filipovic 2012

CEFR-J RLD Project: aim prepare list of vocabulary and grammar item to be taught and assessed at each CEFR level

CEFR Coursebook Corpus

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Weka format 3.6.12

158 features

Attribute selection

 

 

 

 

 

 

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