A COLLABORATIVE PERSONAL ASSISTANT SYSTEM FOR DELEGATING PROVIDING OF SERVICES SUPPORTED BY THIRD PARTY TASK PROVIDERS AND METHOD THEREFOR

摘要

Provided is a collaborative personal assistant (PA) server for delegating provision of services by third party task providers. The collaborative PA server comprises: a task delegation database for receiving a plurality of pattern descriptors including natural language input patterns and service queries from a plurality of external devices, and storing the pattern descriptors; a context inference unit for acquiring an input of a user requiring execution of at least one task which can be performed by one of the external devices, and identifying at least one pattern descriptor among the pattern descriptors based on the acquired input of the user; and a task delegation unit for transmitting a query request to at least one external device corresponding to the identified at least one pattern descriptor, and receiving a final response including an action list associated with the at least one task in response to the query request, from the at least one external device, wherein each of the natural language input patterns is mapped to at least one of the service queries, the input of the user is a form of voice or text, the at least one pattern descriptor includes a natural language input pattern matched with the acquired input of the user, and the at least one task is executed based on the query request.