Method for automatically creating a question and indexing the question-answer by language-analysis and the question-answering method and system

摘要

A method and system for automatically indexing questions/answers based on the analysis of a language is provided to sort vocabularies and phrases through analyzing the language of various documents, automatically generate a corresponding natural language question, and store the question and corresponding answer in order to present good candidate of the answer corresponding to the question. A question/answer system includes an indexing engine(100) and a user question/answer engine(200). The indexing engine(100) includes a language analyzing unit(10), a candidate sentence selecting unit(20), a natural language question generating unit(30), and a question/answer indexing unit(40). The indexing engine(100) also includes an index database(42) and a question/answer database(44). The user question/answer engine(200) searches the indexed question/answer and answers the inquiry of the user. The user question/answer engine(200) includes a language analyzing unit(10), a question analyzing unit(50), a question detecting unit(60), and an outputting unit(70). The language analyzing unit(10) analyzes the language structure of the inputted various documents.