TurboTurtle is a animated multi-user microworld that children use to explore concepts in Newtonian physics. It is a groupware system where students, each on their own computer, ca...
This paper introduces multitrees, a new type of structure for representing information. Multitrees are a class of directed acyclic graphs (DAGs) with the unusual property that the...
—Much effort has focused in recent years on developing more life-like robots. In this paper we propose a model of memory for robots, based on human digital memories, though our m...
In this paper, we describe two educational games mediated by mobile technology which were designed for use in the context of a traditional historical museum by young children. Our...
Robots that interact with humans face-to-face using natural language need to be responsive to the way humans use language in those situations. We propose a psychologicallyinspired...