This paper offers an exploration of the attitudes of older adults to keeping in touch with people who are important to them. We present findings from three focus groups with peopl...
Community-based question and answer (Q&A) systems facilitate information exchange and enable the creation of reusable knowledge repositories. While these systems are growing i...
Post-task ratings of difficulty in a usability test have the potential to provide diagnostic information and be an additional measure of user satisfaction. But the ratings need to...
We introduce a technique for exploring multi-layered images by scraping arbitrary areas to determine meaningful relationships. Our system, called Wetpaint, uses perceptual depth c...
This paper examines a visual design element unique to situated, hot-spot style, services: locativeness. This is the extent to which the media representing a service relates to its...