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Discovering and correcting interaction mismatches in inter-organizational business processes are important for service choreography. Automatic discovery mismatches and providing correcting plans will alleviate burdens on business modelers, however, three major challenges are: 1. by what cost model to evaluate multiple correcting plans; 2. how to avoid generating new mismatches when correcting processses;3...
In e-learning, to provide personalized service according to learner's characteristics is becoming a hot area which is concerned by many researchers. Learner model and reasoning algorithm are two important factors of impacting the system's effects. In this paper, we analyzed learner's characteristics, proposed an ontology-based learner model and its representation method, described the mechanism of...
To construct an accurate and comprehensive user model is required in e-learning. User model can describe explicitly the learning goals and information needs about an individual learner. In this paper, we analyze learner characters and propose an ontology-based user model, which involves five modules. After that, we separately introduce the representation methods and run mechanisms of the five modules...
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