The present invention relates to a keyword mind map search method and an apparatus therefor. More specifically, the present invention comprises: analyzing one or more domain corpuses to extract one or more keywords; generating and storing relationship information between each of the extracted keywords; and extracting extended keywords and contents associated with a particular keyword input by a user on the basis of the stored relationship information and providing the same to the user. Accordingly, it is possible to construct a search system in a specific field merely by ensuring unstructured data, and to reduce the costs required for the construction of the search system and provide good-quality extended keywords that are trending.
KEYWORD SEARCH METHOD ON BASIS OF MIND MAP AND APPARATUS THEREFOR