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Mobile and ubiquitous computing devices are transforming the way that learners study. But most of learning contents, designed for desktop platforms, are not suitable for handheld devices. Also, some materials, irrelevant to learner’s preferences or contextual environment, may affect the learning efficiency, and also increase the communication costs. In(More)
With the continued increase in the use of ubiquitous devices, learners’ expectations of learning services have also increased. Most of the learning services being provided today are not designed or delivered for ubiquitous learning environments because these learning services have not been taken into account rich learning contexts. This paper proposes a(More)
Virtual classroom based on Internet is a promising tool for distance education. However, it is difficult for the instructor to instantly know the feedback and evaluation to learners in online courses. The paper gives one instructor-oriented virtual classroom system framework, by which the instructor may know each learner's reflection to his course in real(More)
Virtual classroom based on Internet is a promising tool for distance education. However, it is difficult for the instructor to instantly know the feedback and evaluation to learners in online courses. The paper gives one instructor-oriented framework for virtual classroom, by which the instructor may know each learner in real time and instantly adjust his(More)