Kirill Levin

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The paper considers some peculiarities of training and using N-gram language models with open vocabulary. It is demonstrated that explicit modeling of the probability distribution of out-of-model (unknown) words is necessary in this case. Two known techniques for this modeling are considered and a new technique with several advantages is proposed. We(More)
In this project, we solved a minimum cost flow problem derived from a simulated water supply network. The objective function was a combination of minimizing both the cost of moving water through the network, and the number of pump switches. The original water flow model was projected into a mathematical graph, and the associated minimum cost flow problem(More)
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