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Recently networked education has emerged as an important Internet application.
It not only breaks the limitation of learning space but also keeps the flexib
ility of teaching time. Also, by multimedia mechanisms and technologies of int
eractivity, students can enjoy a multimedia learning environment according to
their need. However, the current network education system just provides basic
functionality and it may n1ot meet our need for full interactivity. In this th
esis, a network education system is developed to improve the original educatio
nal VOD system, and serveral auxiliary components are implemented. Our auxilia
ry components form two packages："Media-Sync" and "EduMiner". By these two pac
kages, we can automate the procedures for making teaching video, conduct data
mining on student behavior, and improve the teaching quality that a network ed
ucation system can provide.
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