In a large scale study on 843 transcripts of Technology, Entertainment and Design (TED) talks, the authors address the relation between word usage and categorical affective ratings of lectures by a large group of internet users. Users rated the lectures by assigning one or more predefined tags which relate to the affective state evoked in the…

Before massive numbers of students can take online courses for college credit, the challenges of providing tutoring support, answers to student-posed questions, and the control of cheating will need to be addressed. These challenges are taken up here by developing an online course delivery system that runs in a cluster computing environment and is…

In 2003, the School of Human Sciences, Waseda University, Japan, established the e-School, Japan's first complete undergraduate correspondence courses enabling students to acquire their bachelor degrees solely through e-learning. Supported by the widespread availability of high-speed Internet connections, it has become possible to transmit…