The effectiveness of virtual environments (VEs) has often been linked to the sense of presence reported by users of those VEs. (Presence is defined as the subjective experience of...
—Endowing robots with a social interface is often costly and difficult. Virtual characters on the other hand are comparatively cheap and well equipped but suffer from other diffi...
not abstract asymmetry: different sides looks different clumps different from ”data objects” need grid structure, alignment [Design Guidelines for Landmarks to Support Navigati...
Abstract. Many environments in which people and computer agents interact involve deploying resources to accomplish tasks and satisfy goals. This paper investigates the way that the...
Ya'akov Gal, Barbara J. Grosz, Avi Pfeffer, Stuart...