Movement time prediction in human-computer interfaces
Proceedings of the conference on Graphics interface '92
Dasher—a data entry interface using continuous gestures and language models
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Voice as sound: using non-verbal voice input for interactive control
Proceedings of the 14th annual ACM symposium on User interface software and technology
KSPC (Keystrokes per Character) as a Characteristic of Text Entry Techniques
Mobile HCI '02 Proceedings of the 4th International Symposium on Mobile Human-Computer Interaction
The vocal joystick:: evaluation of voice-based cursor control techniques
Proceedings of the 8th international ACM SIGACCESS conference on Computers and accessibility
Qanti: a software tool for quick ambiguous non-standard text input
ICCHP'10 Proceedings of the 12th international conference on Computers helping people with special needs
CHANTI: predictive text entry using non-verbal vocal input
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A versatile dataset for text entry evaluations based on genuine mobile emails
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
Humsher: a predictive keyboard operated by humming
The proceedings of the 13th international ACM SIGACCESS conference on Computers and accessibility
EMNLP '11 Proceedings of the Conference on Empirical Methods in Natural Language Processing
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A number of text entry methods use a predictive completion based on letter-level n-gram model. In this paper, we investigate on an optimal length of n-grams stored in such model for a predictive keyboard operated by humming. In order to find the length, we analyze six different corpora, from which a model is built by counting number of primitive operations needed to enter a text. Based on these operations, we provide a formula for estimation of words per minute (WPM) rate. The model and the analysis results are verified in an experiment with three experienced users of the keyboard.