%0 Journal Article
	%A Keisuke Nakamura and  Kiyoshi Akama and  Hiroshi Mabuchi
	%D 2009
	%J International Journal of Computer and Information Engineering
	%B World Academy of Science, Engineering and Technology
	%I Open Science Index 28, 2009
	%T Extending E-learning systems based on Clause-Rule model
	%U https://publications.waset.org/pdf/13786
	%V 28
	%X E-Learning systems are used by many learners and
teachers. The developer is developing the e-Learning system. However,
the developer cannot do system construction to satisfy all of
users- demands. We discuss a method of constructing e-Learning
systems where learners and teachers can design, try to use, and share
extending system functions that they want to use; which may be nally
added to the system by system managers.
	%P 1177 - 1183