Asynchronous Distance Learning
Shimon Sakai, Tsunenobu Narahara, Naoaki Mashita, Hiroshi Shigeno, Ken-ichi Okada
School of Science for OPEN and Environmental Systems, Graduate School of Science and Technology,
Keio University 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, 223-8522 Japan shimon@mos.ics.keio.ac.jp Yutaka Matsushita
Telecommunications Advancement Organization of Japan
Banzai-Biru, 2-31-19, Shiba, Kohoku-ku, Tokyo, 105-0014 Japan
Abstract
In recent years, as the demand of taking lectures without the limitation of time and place by those who have jobs and require life-long education grows, there are more and more expectations on the implementation of a Distance Learning System. However, in most of the existing asynchronous distance learning systems, the images shown on screen are limited to the images of the teacher with synchronized digital documents used in lectures. Since these systems have not been able to convey interactions between a teacher and students, the educational effectiveness is lower than the traditional lecture. This paper describes a distance learning system, which supports interactions between a teacher and students in asynchronous distance learning. During synchronous distance learning, This system can record interactions automatically with XML. It can provide recorded interactions to students who are studying asynchronously.
An important point to emphasize is not only synchronizing digital documents with recorded lecture video but also synchronizing recorded interactions with digital documents and lecture video. Moreover in order to support interactions, this system also links similar questions together and can suggest the most meaningful question.
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Introduction
In recent years, we have been witnessing the rapid evolution of computer networking technology and the demand for acquiring life-long knowledge. Most of the workers are
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