Browsing by Author "Choudhary, Sudeep"

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    Unsupervised Machine Translation For Indian Languages Using Monolingual Corpora
    (Indian Statistical Institute,Kolkata, 2019-07) Choudhary, Sudeep
    Machine translation has traditionally relied on parallel data but the amount of parallel data available for Indian languages is very less . The parallel data for Hindi-Marathi translation is around 50000 sentences which is very less in terms of data set required for supervised machine translation. But the good news is that monolingual data is very easy to find for this low-resource Indian languages .The aim of this project is to investigate whether it is possible to learn without the help of any parallel data . To serve the purpose we have implemented a model that takes sentences from two different monolingual corpora of different languages and maps them into the same latent space. We can encode sentences into the same latent space and can translate into any of the required languages . In this way, the model effectively learns to translate (encode/decode) without any form of supervision .The model only relies on monolingual corpora of two different languages and in our case it is Hindi and Marathi .The BLUE scores achieved by the model for Hindi to Marathi is 18.40 and Marathi to Hindi is 22.84 on the FIRE data set without using a single parallel sentence at training time. iii