The present invention relates to a method of using a bi-directional neural network to perform dependent parsing. More specifically, the present invention, in a control method for dependency parsing (dependency parsing), calculating a first vector quantifying the dictionary meaning of a predetermined word, at least one component included in the predetermined word Control comprising the step of calculating a second vector quantifying subword information, and designating a dependency word having a dependency relationship with the predetermined word based on the first and second vectors. It's about how.
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