Apparatus and method for mapping object data for efficient comparison operation between user preference information and content description information

摘要

In a user adaptive multimedia system reflecting user preference information extracted from user history information, an apparatus and a method for mapping object data for an efficient comparison operation between user preference information and content description information are capable of characteristically mapping and managing object data such as an actor's name, a director's name, a producer's name transformed and defined variously in accordance with a time and a place, an apparatus for mapping object data for an efficient comparison operation between user preference information and content description information includes a server (provider) system transmitting an object data expression information table defining expression information about object data having various expressions of the same content and information about multimedia program data to serviced to a user and a user (client) system mapping object data having various expressions by receiving content description information transmitted from the server system, namely, an object data expression information table and information about multimed a program data, performing a comparison operation between the received information and user preference information extracted from user history information about a prior multimedia program and outputting user preference information and reflecting the outputted user preference information to a multimedia system.