METHOD AND APPARATUS FOR DESCRIPTIVE QUESTION ANSWERING

摘要

PURPOSE: A descriptive question answer method and a device thereof are provided to allow a user to rapidly obtain desired information by automatically providing correct answers for descriptive questions. CONSTITUTION: A core keyword is extracted by analyzing descriptive questions(S302). The questions are classified according to the intention of the questions, and clue words are added to the questions in each type(306). A document related to a linked website document or the collected documents is searched based on the core keyword and the clue word(308). The documents including correct answers are ranked in the searched documents(310). [Reference numerals] (300) Inputting a natural language-based question; (302) Extracting a core keyword and determining the types of the question; (304) Is a clue word added?; (306) Adding the clue word corresponding to the determined type of the question; (308) Searching related document based on the extracted keyword; (310) Re-ranking a document determined a correct answer of the searched documents on the upper rank; (312) Is the correct answer extracted?; (314) Outputting re-ranked information; (AA) Start; (BB) End; (S316) Outputting information classified by the correct answer extraction