This paper proposes a negotiation model based on ontology in M2M environment. In M2M environment, users want to obtain an optimized service on their own device such as smart phone and electronic devices called as Intelligent Mobile Device (IMD). IMD reduces user's interaction for selecting preferred ones from service list. To achieve the goal, this paper defines message types and creates several ontologies. Those ontologies are used to filter unnecessary services from a local service server. The proposed model therefore is efficient and reusable in M2M environment.
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