Communications of the ACM
A flexible Chinese character input scheme
UIST '91 Proceedings of the 4th annual ACM symposium on User interface software and technology
Constructing Chinese characters: keypad design for mobile phones
Behaviour & Information Technology
Chinese character entry for mobile phones: a longitudinal investigation
Interacting with Computers
Multimodal Chinese text entry with speech and keypad on mobile devices
Proceedings of the 13th international conference on Intelligent user interfaces
RotaTxt: Chinese pinyin input with a rotator
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
The birth of mobile chinese keypad & hybrid input methods
CHI '09 Extended Abstracts on Human Factors in Computing Systems
Immediate user performances with touch Chinese text entry solutions on handheld devices
Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services
m-LoCos UI: a universal visible language for global mobile communication
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: intelligent multimodal interaction environments
Stroke++: a hybrid chinese input method for touch screen mobile phones
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
Stroke++: A new Chinese input method for touch screen mobile phones
International Journal of Human-Computer Studies
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Developing more effective and efficient Chinese character input methods has the potential to help Chinese mobile phone users (currently 320 millions) input text messages. iTAP(R) supports input based on the writing structure of Chinese characters. Current keypad graphics include three items: digits (0-9), letters (A-Z), and symbols that represent the minimum writing units of Chinese characters (strokes). Our study revealed the difficulties of mapping these strokes to individual keys using the current symbols. We present a case study illustrating the user-centered redesign of these symbols. The new symbols allow for faster entry speeds and lower error rates as compared to the current commercial solution. Results with our solution were also favorable when compared to Pinyin, a popular cross-cultural solution relying on the Roman alphabet. The new design is in the process of being integrated into commercial mobile phones for users who would prefer native input methods for Chinese.