6. The device of claim 1 , wherein the social media analyzing program code includes: association/competition analyzing program code that analyzes an associative word and a competitive word for the question type which is analyzed by the question analyzing unit; issue processing program code that performs an issue period related analysis; and individual social media analyzing program code that compares and analyzes entities ranked by a predetermined level during the issue period.
7. The device of claim 6 , wherein the issue processing program code includes: issue time recognizing program code that recognizes an issue period based on an entity based buzz progress; buzz progress graph comparing program code that compares issue periods which are recognized in a plurality of entities; issue period combining program code that combines overlapping issue periods of the entities; and issue labeling program code that creates an issue label for the issue periods of entities to be compared.