Discusses knowledge graphs, a new form of knowledge representation, and their possible uses in electronic study books. Topics addressed include graph structures; semantics; and representing knowledge from books, including browsing, information marking, annotations, group-based learning, information sequencing, information distribution, and…

In this paper, we give a detailed account of the design principles and construction of activities designed for learning about the relationships between position, velocity and acceleration, and corresponding kinematics graphs. Our approach is model-based, that is, it focuses attention on the idea that students constructed their own models--in the…