2. The apparatus of claim 1 , wherein when a weight value of the question and answer type does not exceed a preset threshold value, the question and answer type recognition unit classifies the user's question as the query, and when the weight value of the question and answer type exceeds the preset threshold value, the question and answer type recognition unit classifies the user's question as the keyword array type question.
1. A question type and domain identifying apparatus, the apparatus comprising: a question type identifier for recognizing a number of words of a user's question to identify whether the user's question is a query for performing information searching or a question for performing a question and answer; a plurality of domain specialized question and answer engines; and a question domain distributor for distributing one of the plurality of domain specialized question and answer engines, as a question and answer engine of the user's question based on the recognized word number, wherein the plurality domain specialized question and answer engines selectively perform information searching or a question and answer with respect to the user's question in response to the distribution of the question domain distributor, wherein the question type identifier includes a word number recognition unit for classifying the user's question as the query for information searching when the recognized word number is one, a declinable word/postposition identification unit for classifying the user's question as a natural language question when the recognized word number is two or more and a predicate or postposition is determined to be included in the user's question, and a question and answer type recognition unit for classifying the user's question as the query or a keyword array type question based on the question and answer type identification result when a predicate or postposition is not included in the user's question.