The present invention relates to a method and a system for word spacing of a dialogic sentence based on deep learning using context information, which are capable of accurately performing word spacing. The system of the present invention comprises: a receiving unit (100) for receiving a sentence; a preprocessing unit (200) for performing preprocessing; and a determination unit (300) for inputting the sentence preprocessed by the preprocessing unit (200) into a word-spacing determination model.;COPYRIGHT KIPO 2020
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