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This paper presents the results of the experiments done as a part of MADAR Shared Task in WANLP 2019 on Arabic Fine-Grained Dialect Identification. Dialect Identification is one of the prominent tasks in the field of Natural language processing where the subsequent language modules can be improved based on it. We explored the use of different features like char, word n-gram, language model probabilities, etc on different classifiers. Results show that these features help to improve dialect classification accuracy. Results also show that traditional machine learning classifier tends to perform better when compared to neural network models on this task in a low resource setting.

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This paper describes the techniques for the automatic detection of subtopicjsubplan boundary in Hindi dialogue using structure of dialogue, dialogue acts, shallow linguistic features and word co-occurrence. Our experiments illustrate that the use of dialogue structure, word co-occurrence and wordnet improves the boundary identification for Hindi natural dialogues.