The invention relates to an apparatus and method for spoken language understanding. The spoken language understanding apparatus according to embodiments of the present disclosure may include: a slot tagging module including: a morpheme analysis unit configured to analyze morphemes with respect to an uttered sentence, a slot tagging unit configured to tag slots corresponding to a semantic entity from a plurality of input tokens generated according to the analyzed morphemes, and a slot name conversion unit configured to convert phrases corresponding to the tagged slots into de-lexicalized slot names based on neighboring contextual information; and a language generation module configured to generate a combined sequence by combining the de-lexicalized slot names based on the plurality of inputtokens.
APPRATUS AND METHOD FOR SPOKEN LANGUAGE UNDERSTANDING