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WWW
2005
ACM
15 years 11 months ago
Online curriculum on the semantic Web: the CSD-UoC portal for peer-to-peer e-learning
Online Curriculum Portals aim to support networks of instructors and learners by providing a space of convergence for enhancing peer-to-peer learning interactions among individual...
Dimitris Kotzinos, Sofia Pediaditaki, Apostolos Ap...
CHI
2009
ACM
15 years 10 months ago
UbiGreen: investigating a mobile tool for tracking and supporting green transportation habits
The greatest contributor of CO2 emissions in the average American household is personal transportation. Because transportation is inherently a mobile activity, mobile devices are ...
Jon Froehlich, Tawanna Dillahunt, Predrag V. Klasn...
CHI
2009
ACM
15 years 10 months ago
Blobby: how to guide a blind person
For the majority of blind people, walking in unknown places is a very difficult, or even impossible, task to perform, when without help. The adoption of the white cane is the main...
Hugo Nicolau, Joaquim A. Jorge, Tiago João ...
CHI
2008
ACM
15 years 10 months ago
Evaluating tactile feedback and direct vs. indirect stylus input in pointing and crossing selection tasks
We present a pair of experiments that explore the effects of tactile-feedback and direct vs. indirect pen input on pointing and crossing selection tasks. While previous work has d...
Clifton Forlines, Ravin Balakrishnan
CHI
2007
ACM
15 years 10 months ago
IGroup: presenting web image search results in semantic clusters
Current web image search engines still rely on user typing textual description: query word(s) for visual targets. As the queries are often short, general or even ambiguous, the im...
Shuo Wang, Feng Jing, Jibo He, Qixing Du, Lei Zhan...
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