Non-keyboard QWERTY touch typing: a portable input interface for the mobile user
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Predicting text entry speed on mobile phones
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
LetterWise: prefix-based disambiguation for mobile text input
Proceedings of the 14th annual ACM symposium on User interface software and technology
Gestural and audio metaphors as a means of control for mobile devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Metrics for text entry research: an evaluation of MSD and KSPC, and a new unified error metric
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Phrase sets for evaluating text entry techniques
CHI '03 Extended Abstracts on Human Factors in Computing Systems
A reduced QWERTY keyboard for mobile text entry
CHI '04 Extended Abstracts on Human Factors in Computing Systems
Relaxing stylus typing precision by geometric pattern matching
Proceedings of the 10th international conference on Intelligent user interfaces
AppLens and launchTile: two designs for one-handed thumb use on small devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Analyzing the input stream for character- level errors in unconstrained text entry evaluations
ACM Transactions on Computer-Human Interaction (TOCHI)
TrueKeys: identifying and correcting typing errors for people with motor impairments
Proceedings of the 13th international conference on Intelligent user interfaces
Proceedings of the 10th international ACM SIGACCESS conference on Computers and accessibility
Bonfire: a nomadic system for hybrid laptop-tabletop interaction
Proceedings of the 22nd annual ACM symposium on User interface software and technology
Whack gestures: inexact and inattentive interaction with mobile devices
Proceedings of the fourth international conference on Tangible, embedded, and embodied interaction
Quasi-qwerty soft keyboard optimization
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Eyes-free text entry with error correction on touchscreen mobile devices
Proceedings of the 6th Nordic Conference on Human-Computer Interaction: Extending Boundaries
Typing on flat glass: examining ten-finger expert typing patterns on touch surfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Brailletouch: mobile texting for the visually impaired
UAHCI'11 Proceedings of the 6th international conference on Universal access in human-computer interaction: context diversity - Volume Part III
No-look notes: accessible eyes-free multi-touch text entry
Pervasive'10 Proceedings of the 8th international conference on Pervasive Computing
Gesture keyboard with a machine learning requiring only one camera
AH '12 Proceedings of the 3rd Augmented Human International Conference
Personalized input: improving ten-finger touchscreen typing through automatic adaptation
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Back keyboard: a physical keyboard on backside of mobile phone using qwerty
CHI '12 Extended Abstracts on Human Factors in Computing Systems
Reducing visual demand for gestural text input on touchscreen devices
CHI '12 Extended Abstracts on Human Factors in Computing Systems
QWERTH: an optimized semi-ambiguous keyboard design
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services companion
Proceedings of the 25th annual ACM symposium on User interface software and technology
Freehand gestural text entry for interactive TV
Proceedings of the 11th european conference on Interactive TV and video
TapBoard: making a touch screen keyboard more touchable
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Improving two-thumb text entry on touchscreen devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
ZoomBoard: a diminutive qwerty soft keyboard using iterative zooming for ultra-small devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Bezel-Tap gestures: quick activation of commands from sleep mode on tablets
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
Motion and context sensing techniques for pen computing
Proceedings of Graphics Interface 2013
Effects of hand drift while typing on touchscreens
Proceedings of Graphics Interface 2013
Disambiguation of imprecise input with one-dimensional rotational text entry
ACM Transactions on Computer-Human Interaction (TOCHI)
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Current soft QWERTY keyboards often consume a large portion of the screen space on portable touchscreens. This space consumption can diminish the overall user experi-ence on these devices. In this paper, we present the 1Line keyboard, a soft QWERTY keyboard that is 140 pixels tall (in landscape mode) and 40% of the height of the native iPad QWERTY keyboard. Our keyboard condenses the three rows of keys in the normal QWERTY layout into a single line with eight keys. The sizing of the eight keys is based on users' mental layout of a QWERTY keyboard on an iPad. The system disambiguates the word the user types based on the sequence of keys pressed. The user can use flick gestures to perform backspace and enter, and tap on the bezel below the keyboard to input a space. Through an evaluation, we show that participants are able to quickly learn how to use the 1Line keyboard and type at a rate of over 30 WPM after just five 20-minute typing sessions. Using a keystroke level model, we predict the peak expert text entry rate with the 1Line keyboard to be 66--68 WPM.