A Multi-model SVR Approach to Estimating the CEFR Proficiency Level of Grammar Item Features.
Brendan FlanaganSachio HirokawaEmiko KanekoEmi IzumiHiroaki OgataPublished in: IIAI-AAI (2017)
Keyphrases
- mathematical model
- computational model
- formal model
- neural network
- learned models
- em algorithm
- probability distribution
- probabilistic model
- low level
- objective function
- high level
- classification accuracy
- feature set
- prior knowledge
- learning algorithm
- parameter values
- classification models
- learning models
- object model
- object models
- data sets