Personalized Annotation Management
From a learners’ viewpoint, annotations are not only reminders of things to do, but also concept and thought.
The annotated document can be pdf, word, and any web pages in html. Annotators can create their annotations in
forms of either text or voice. There are seven types of annotation in our system; they are question, explanation,
commentary, bookmark, sketch, drawing, and link. Annotators can choose one of them to distinguish their
annotation.
As shown in Figure 5, our personalized annotation management system provides typical services such as the
creation and editing of annotation, the retrieval of annotation by query, and knowledge management with
annotation.