@article{(Open Science Index):https://publications.waset.org/pdf/13786, title = {Extending E-learning systems based on Clause-Rule model}, author = {Keisuke Nakamura and Kiyoshi Akama and Hiroshi Mabuchi}, country = {}, institution = {}, abstract = {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.}, journal = {International Journal of Computer and Information Engineering}, volume = {3}, number = {4}, year = {2009}, pages = {1177 - 1183}, ee = {https://publications.waset.org/pdf/13786}, url = {https://publications.waset.org/vol/28}, bibsource = {https://publications.waset.org/}, issn = {eISSN: 1307-6892}, publisher = {World Academy of Science, Engineering and Technology}, index = {Open Science Index 28, 2009}, }