It is accepted that changes in technology, work practices and the general socio-economic environment affect the way we plan and perform tasks. Support, opportunity and pressure fo...
We present Surfpad, a pointing facilitation technique that does not decrease target distance or increase target width in either control or display space. This new technique operat...
We present experimental results showing that search for target items in a three-tiered categorization structure (approximately 8 links per page) is faster than a comparable two-ti...
Adding multiscale capabilities to collaborative virtual environments can potentially help people work on very large electronic worlds. Our experiment shows that user performance o...
User interfaces and information systems have become increasingly social in recent years, aimed at supporting the decentralized, cooperative production and use of content. A theory...