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AAAI
2000
13 years 10 months ago
What Sensing Tells Us: Towards a Formal Theory of Testing for Dynamical Systems
Just as actions can have indirect effects on the state of the world, so too can sensing actions have indirect effects on an agent's state of knowledge. In this paper, we inve...
Sheila A. McIlraith, Richard B. Scherl
CHI
2007
ACM
14 years 9 months ago
How to look beyond what users say that they want
This paper shares our experience with a strategic design project for defining the key user experience scenarios for utilizing location information available on mobile devices. Whi...
Younghee Jung, Akseli Anttila
IV
2005
IEEE
142views Visualization» more  IV 2005»
14 years 2 months ago
Beyond Guidelines: What Can We Learn from the Visual Information Seeking Mantra?
The field of information visualization offers little methodological guidance to practitioners who seek to design novel systems. Though many sources describe the foundations of the...
Brock Craft, Paul A. Cairns
ITS
2010
Springer
160views Multimedia» more  ITS 2010»
14 years 1 months ago
ITS in Ill-Defined Domains: Toward Hybrid Approaches
Classical approaches for supporting tutoring services face several limitations for ill-defined domains. To overcome these limitations, we argue for the utilization of hybrid approa...
Philippe Fournier-Viger, Roger Nkambou, Engelbert ...
WWW
2009
ACM
14 years 9 months ago
What's up CAPTCHA?: a CAPTCHA based on image orientation
We present a new CAPTCHA which is based on identifying an image's upright orientation. This task requires analysis of the often complex contents of an image, a task which hum...
Rich Gossweiler, Maryam Kamvar, Shumeet Baluja