One for a local network knowledge service is provided to supply base based on ontological context model classification technique, it is used to be fixed among entity out of the ordinary the relationship that determines and offer one function enabling home network service in the rule of home network service by solving difficulty, is not represented with a common model. Intelligence Request is for servicing by reasoning, by clarification relationship (such as device a, sensor a, user) and for the user service mode based on the specific ubiquitous home network service for defining context model classification technique. By using the priority classification technology for solving the collision between user privacy and service, the secret of user is to be protected by it. By the way that by priority, a collision problem is solved, it is used to provide service for multiple user.
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