Abstract: According to an exemplary embodiment of the present disclosure, there is disclosed a method of analyzing text data performed by a computing device including at least one processor. The method may include: obtaining a concept word list including two or more concept words and a knowledge text for each concept word from an input document; calculating relationship information between two concept words included in the concept word list; and generating knowledge graph data based on the concept word list, the knowledge text for each of the concept words, and the relationship information.