Understanding which ontology characteristics can predict a “good” quality ontology, is a core and ongoing task in the Semantic Web. In this paper, we provide our findings on wh...
Razzaq and Heffernan (2006) showed that scaffolding compared to hints on demand in an intelligent tutoring system could lead to higher averages on a middle school mathematics post-...
Leena M. Razzaq, Neil T. Heffernan, Robert W. Lind...
Many people have proposed adding transactions, or atomic blocks, to type-safe high-level programming languages. However, researchers have not considered the semantics of transacti...
This paper describes user modelling in I-Help, a system to facilitate communication amongst learners. There are two I-Help components: Private and Public Discussions. In the Privat...
Susan Bull, Jim E. Greer, Gordon I. McCalla, Lori ...
Voicemail is a pervasive, but under-researched tool for workplace communication. Despite potential advantages of voicemail over email, current phone-based voicemail UIs are highly...
Steve Whittaker, Richard Davis, Julia Hirschberg, ...