Personalizing service system and method based on ontology

A personalized service method of a system comprising a user profile ontology in which a first subject is associated with a first object through a first relationship name and a personalized service ontology in which a second subject is associated with a second object through a second relationship name, the method comprising:

• (a) if a user inputs personal information, storing the personal information in the user profile ontology as one of ontology data structures including the first subject, the first object, and the first relationship name;
• (b) storing a personalized service using the personal information in the personalized service ontology as one of ontology data structures including the second subject, the second object, and the second relationship name;
• (c) associating the first subject with the second object through a third relationship name or associating the second subject with the first object through the third relationship name, wherein the third relationship name is a way in which the personalized service uses the personal information associated therewith;
• (d) selecting a certain personalized service by the user;
• (e) acquiring the personal information in the personalized service ontology associated with the selected personalized service through the third relationship name;
• and
• (f) executing the selected personalized service using the acquired personal information.