Myung-Jin Lee

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Most of the intelligent tutoring system (ITS) is used to deliver knowledge and train skills based on the expert model. According to the theories of leaning, learning by teaching method is more efficient for enhancing motivation to learn and cognitive ability than learning by listening or learning by reading. For the purpose of developing an adap-tive(More)
BACKGROUND The aim of the present study was to prepare hydroxyapatite (HA) and then characterize its effect on bone integration in a rabbit tibial defect model. The bone formation with different designs of HA was compared and the bony integration of several graft materials was investigated qualitatively by radiologic and histologic study. METHODS Ten(More)
A home network is a typical ubiquitous computing network that consists of various consumer devices and service environments. Home networks are requiring increasingly more complicated services, such as multimedia home theater and the monitoring and controlling of heterogeneous devices. Accordingly, a mutually connecting mechanism is needed among(More)
Recent development of teachable agent focuses on individual-ization and provides learners with active roles of knowledge constructors. The adaptive agent aims to maximize the learner's cognitive functions as well as to enhance the learner's interests in and motivation for learning. To establish the relationships between user characteristics and response(More)
The traditional ITS have considered the learners as a knowledge receiver. The recent development of teachable agent make it possible to provide the learner with an active role as a knowledge constructor and to take initiatives to persist in learning. In order to make an adap-tive teachable agent that responds intelligently for individual learner, it should(More)