Abstract: A method and system for efficiently incorporating multiple personalities into a robot. The robot acts as a computer server for the purpose of accessing a knowledge base and processing natural language queries. The different personalities are exposed to different users and see different knowledge bases (or altered views of the same knowledge base). The personalities are customized to suit the needs of the users. By handling a large number of personalities on a server, it is possible to accommodate and sustain the interests of a large number of users.