Automatic Question-Answering system having mutiple Question-Answering modules

摘要

Provided is an automatic question answering system capable of quickly and accurately answering a question. According to one aspect of the inventive concept of the present invention, the automatic question answering system comprises: a user interface receiving a question of a user in a form of a natural language from the user through a network, and transmitting an answer; at least one module server having a plurality of question answering (QA) modules capable of answering questions; a question analysis unit performing the analysis on the natural language of the question; a module selection execution unit selecting some of the plurality of QA modules based on an analysis result of the natural language of the question; and a question answering result integrating unit providing an answer for the question to the user through the user interface. The module selection execution unit comprises: a question answering action predicting unit receiving the analysis result of the natural language of the question and predicting, through learning, question action conformity for each of the plurality of QA modules with respect to the question; a question answering module selection unit selecting some of the plurality of QA modules with reference to a question answering coverage and the question action conformity set for each of the plurality of QA modules; and a question answering module execution unit providing the analysis result of the natural language of the question to some of the plurality of QA modules, which are selected at the question answering module selection unit, so that question answering is performed.