06-01-2016 дата публикации
Номер: KR101582561B1
The present invention relates to a digital reference book, or in particular, to a digital reference book which also provides various kinds of multimedia data and allows users to add answers to inquiries from learners. Apart from the textbook and reference book of the school set by a learner, the present invention enables extraction and provision of learning content from textbooks or reference books of other schools by matching the contents. Also, in the present invention, when inquiries on a lecture or question are written and transmitted to lecturers during the lecture or question solving, the lecturers can check the inquiries and add answers to the lecture or question on which the inquiries are written. In addition, lectures, questions, inquiries, and answers are implemented on different layers so the inquiries or answers written on a lecture or question can be freely deleted or modified. Furthermore, in the present invention, when a learner logs in and starts learning, a lecturer can ...
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