Using Maximum Entropy Models to Discriminate between Similar Languages and Varieties

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Abstract

DSLRAE is a hierarchical classifier for similar written languages and varieties based on maximum-entropy (maxent) classifiers. In the first level, the text is classified into a language group using a simple token-based maxent classifier. At the second level, a group-specific maxent classifier is applied to classify the text as one of the languages or varieties within the previously identified group. For each group of languages, the classifier uses a different kind and combination of knowledge-poor features: Token or character n-grams and white lists of tokens. Features were selected according to the results of applying ten-fold cross-validation over the training dataset. The system presented in this article1 has been ranked second in the Discriminating Similar Language (DSL) shared task co-located within the VarDial Workshop at COLING 2014 (Zampieri et al., 2014).

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Porta, J., & Sancho, J. L. (2014). Using Maximum Entropy Models to Discriminate between Similar Languages and Varieties. In 1st Workshop on Applying NLP Tools to Similar Languages, Varieties and Dialects, VarDial 2014 at the 25th International Conference on Computational Linguistics: System Demonstrations, COLING 2014 - Proceedings (pp. 120–128). Association for Computational Linguistics (ACL). https://doi.org/10.3115/v1/w14-5314

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