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CHI
2007
ACM
14 years 10 months ago
Modeling and understanding students' off-task behavior in intelligent tutoring systems
We present a machine-learned model that can automatically detect when a student using an intelligent tutoring system is off-task, i.e., engaged in behavior which does not involve ...
Ryan Shaun Joazeiro de Baker
PERCOM
2007
ACM
14 years 9 months ago
XCML: A Runtime Representation for the Context Modelling Language
The Context Modelling Language (CML), derived from Object Role Modeling (ORM), is a powerful approach for capturing the pertinent object types and relationships between those type...
Ricky Robinson, Karen Henricksen, Jadwiga Indulska
CHI
2010
ACM
14 years 4 months ago
A study of tabbed browsing among mozilla firefox users
We present a study which investigated how and why users of Mozilla Firefox use multiple tabs and windows during web browsing. The detailed web browsing usage of 21 participants wa...
Patrick Dubroy, Ravin Balakrishnan
CHI
2010
ACM
14 years 4 months ago
After access: challenges facing mobile-only internet users in the developing world
This study reports results of an ethnographic action research study, exploring mobile-centric internet use. Over the course of 13 weeks, eight women, each a member of a livelihood...
Shikoh Gitau, Gary Marsden, Jonathan Donner
ICPR
2008
IEEE
14 years 4 months ago
Weightlessness feature - a novel feature for single tri-axial accelerometer based activity recognition
In this paper, a novel weightlessness feature for activity recognition from a tri-axial acceleration signals have been proposed. Since the orientation between accelerometer and us...
Zhenyu He, Zhibin Liu, Lianwen Jin, Li-Xin Zhen, J...