Victor Guichard

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2019

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Hierarchical Deep Learning for Arabic Dialect Identification
Gael de Francony | Victor Guichard | Praveen Joshi | Haithem Afli | Abdessalam Bouchekif
Proceedings of the Fourth Arabic Natural Language Processing Workshop

In this paper, we present two approaches for Arabic Fine-Grained Dialect Identification. The first approach is based on Recurrent Neural Networks (BLSTM, BGRU) using hierarchical classification. The main idea is to separate the classification process for a sentence from a given text in two stages. We start with a higher level of classification (8 classes) and then the finer-grained classification (26 classes). The second approach is given by a voting system based on Naive Bayes and Random Forest. Our system achieves an F1 score of 63.02 % on the subtask evaluation dataset.
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