CHI Workshop on Mobile Spatial Interaction

I could not attend the CHI workshop on Mobile Spatial Interaction, but luckily I bumped into the (co-)organizer Peter Fröhlich, as well as participants Will Seager and Zach Toups whos work closely relate to mine.

Will Seager, and Danae Stanton Fraser, User responses to GPS positioning information on a digital map
This paper contributes to demonstrate the need of transparent position carrying the notion of uncertainty in the data. The field study involving a pedestrian navigation task, positioning information supplied by GPS seemed too inaccurate to be useful. Worst still, the inaccuracy could confuse users, especially since the position icons used in commercial products typically give no indication of the degree of uncertainty. One solution to the issue of uncertainty would be to convey the level of certainty to user. If the GPS unit provides sufficient information to estimate the level of inaccuracy, this could be reflected in the position icon e.g. a transparent position icon that grows or shrinks depending on the level of accuracy.

Zachary O. Toups, and Andruid Kerne, Location-Aware Augmented Reality Gaming for Emergency Response Education: Concepts and Development
This paper presents the location-aware game Rogue Signals, deployed to enhance the team coordination skills of participants. The authors relied on an ethnography of fire emergency response practice to inform the design of the game. The study revealed design implications based on building coordinations skills such as leveraging information differential, mixed communication modalities, and utilizing audible clues.

Apparently, I missed Morten Fjeld who presented 3DVN: A Mixed Reality Platform for Mobile Navigation Assistance.