This paper proposes PhotoChat, a system that facilitates communication among users who want to share experiences by enabling them to share photos and notes. PhotoChat is designed ...
Abstract--jEditOQMath is an authoring tool for the intelligent learning environment ActiveMath. Its editing interface is a simple source editor. However the wealth and power of the...
This paper considers the problem of computer user support and workplace learning in general. Theoretically our work is influenced by ideas on knowledge management, expertise netwo...
Co-located collaborators often work over physical tabletops using combinations of expressive hand gestures and verbal utterances. This paper provides the first observations of how...
Edward Tse, Chia Shen, Saul Greenberg, Clifton For...
There have been many attempts to support awareness and lightweight interactions using video and audio, but few have been built on widely available infrastructure. Text-based syste...