INFERRING A COMPARATIVE ADVANTAGE OF MULTI-KNOWLEDGE REPRESENTATIONS

Generating a response to a natural language-based query includes extracting a subject keyword, an object keyword and a query type of a natural language from the natural language; generating a query knowledge graph including the subject keyword, the object keyword and the query type; searching a plurality of query knowledge graphs including the subject keyword; deriving information relevant to the object keyword from map data based on the subject keyword of each of the plurality of searched query knowledge graphs; and providing a query result for the natural language based on the derived information and the query type.