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The traditional role-based access control mechanism controls the user to access the resources based on the roles, simplifying security management. However, it cannot effectively provide semantic understanding and reasoning due to lack formal mechanisms. A new Description Logics-based access control model is presented, it applies Description Logics to realize a formal description of the relationship...
Model ontology representation is proposed to improve the standardization of model representation in model base system. There are model domain ontology, application ontology and ontology evolution in it. Model domain ontology ensures that the information of model is integrity and consistency, which is abstract of model information and relation on each other. Model application ontology is concretion...
In past twenty years, as the rapid growth of Internet application, network education has grown a main part of current education. At the same time, semantic-based network educational resource became an important research field in computer education technology and AI. So far, however, there is a serious of bottlenecks in the progress of their applications, e. g. the criterion of web resource is not...
The purpose of ontology matching is to reuse the ontologies and integrate them in different fields, so as to implement the more bigger pool of information and knowledge to the new communication and application. The achievements of (semi-)automatic ontology matching are very limited. There are many works to do in about this field. Under the background, an ontology matching approach, SGOM, is put forward...
Ontology matching is the key process of semantic interaction and knowledge sharing. It is the basement of the other semantic web application, such as, semantic web-based service, ontology alignment. The purpose of ontology matching is to reuse the ontologies and integrate them in different fields, so as to implement the bigger pool of information and knowledge for the new communication and application...
Ontology matching is critical to semantic interaction and knowledge sharing. The purpose of ontology matching is to reuse the ontologies and integrate them in different fields. It is the basement of the other semantic Web application, such as, semantic Web-based service, ontology alignment. Nowadays most ontology mapping approaches integrate multiple individual matchers to explore both linguistic...
Emergency preplans describe domain knowledge for emergency handling, but most of them are formed in static text or electronic document which is difficult for emergency decision-makers to achieve accurately and quickly. For solving the problems above, we put forward an emergency preplan knowledge representation framework. First, we analyzed emergency preplan textual knowledge and achieved three kinds...
The model presented in this paper is the main result of an on-going national science foundation project of China, called emergency-driven virtual organization (EDVO), which aims at building and developing an innovative software infrastructure (software, models, services, etc.) for supporting collaborative work of events handling in emergency/disaster scenarios. In such scenarios, different government's...
The current collaborative recommendation approaches mainly measure users' similarity by comparing user's entire interests and don't consider user's interest quality, especially interest span. With so many goods in the E-commerce web site, how to get the needed product quickly so as to promote the efficiency of E-commerce system? This paper presented a personalized recommendation method based on ontology...
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