http://www.idiap.ch/uist2006/ In-stroke Word Completion en Tue, 17 Oct 2006 00:00:00 +0200 no Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 In-stroke Word Completion Jacob O. Wobbrock Brad A. Hyers, Duen Homg Chau The Information School Human-Computer Interaction Institute University of Washinston School of Computer Science Carnegie Mellon University The Information Schoot In-stroke Word Completion Jacob O. Wobbrock Brad A. Hyers, Duen Homg Chau The Information School Human-Computer Interaction Institute University of Washinston School of Computer Science Carnegie Mellon University The Information Schoot 00:00:10 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Motivation Very small devices may find unistrokes useful PDA wrist watches No room for stylus or physical keyboards Character unistrokes are slow 25 wpm Can we do word-level unistrokes The Information Schoot Motivation Very small devices may find unistrokes useful PDA wrist watches No room for stylus or physical keyboards Character unistrokes are slow 25 wpm Can we do word-level unistrokes The Information Schoot 00:00:47 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Design criteria for word-Level strokes The Information Schoot Design criteria for word-Level strokes The Information Schoot 00:00:21 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Design criteria for word-tevet strokes D Character strokes remain unchanged MinimaU extended to produce words The Information Schoot Design criteria for word-tevet strokes D Character strokes remain unchanged MinimaU extended to produce words The Information Schoot 00:00:19 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Design criteria for word-Level strokes D Character strokes remain unchanged Minimatt extended to produce words No separate add-on list of words The Information School Design criteria for word-Level strokes D Character strokes remain unchanged Minimatt extended to produce words No separate add-on list of words The Information School 00:00:17 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 In-stroke Word Completion In-stroke Word Completion 00:00:16 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Design criteria for word-Level strokes Q Character strokes remain unchanged Minimatt extended to produce words No separate add-on list of words Same stroke always produces same word Users can internalize strokes at the motor level Gradual ram from character entry to word entry The Information School Design criteria for word-Level strokes Q Character strokes remain unchanged Minimatt extended to produce words No separate add-on list of words Same stroke always produces same word Users can internalize strokes at the motor level Gradual ram from character entry to word entry The Information School 00:00:14 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Related work Hankoff Abowd LIST 1998 The Information Schoot Related work Hankoff Abowd LIST 1998 The Information Schoot 00:00:09 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 mmw LP Related work Mankoff Abowd UIST 1998 Perlin LIST 19J6 The Information Schoot mmw LP Related work Mankoff Abowd UIST 1998 Perlin LIST 19J6 The Information Schoot 00:00:14 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Retated work Mankoff Abowd LIST 1998 Pertin UIST 1998 WOUCUOuO Ov d Kristensson Zhai UIST 2004 The Information School Retated work Mankoff Abowd LIST 1998 Pertin UIST 1998 WOUCUOuO Ov d Kristensson Zhai UIST 2004 The Information School 00:00:19 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Related work Kurtenbach Buxton CHI 1994 Hankoff Abowd UIST 1998 Petin LIST 1996 Kriston Zhai UI ST 2004 The Information School Related work Kurtenbach Buxton CHI 1994 Hankoff Abowd UIST 1998 Petin LIST 1996 Kriston Zhai UI ST 2004 The Information School 00:00:05 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Related work Ktrtenbach Buxton CHI 1994 Hankoff Abowd UIST 1998 Peflin UIST 1996 i-RIdt etal. CHI 2t105 Kriston Zhai UI ST 7004 The Information Schoot Related work Ktrtenbach Buxton CHI 1994 Hankoff Abowd UIST 1998 Peflin UIST 1996 i-RIdt etal. CHI 2t105 Kriston Zhai UI ST 7004 The Information Schoot 00:00:07 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 In-stroke Word Completion In-stroke Word Completion 00:00:41 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Fisch design FLuid in-stroke compLetion shorthand DBD The Information School Fisch design FLuid in-stroke compLetion shorthand DBD The Information School 00:00:21 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Fisch design FLuid in-stroke compLetion shorthand The Information School Fisch design FLuid in-stroke compLetion shorthand The Information School 00:00:08 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 ALways the The Information School ALways the The Information School 00:00:09 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Design features Same words, same positions Same stroke always produces same word Bounding box is relative to stroke made Crossing is fast and accurate over short distances The Information School Design features Same words, same positions Same stroke always produces same word Bounding box is relative to stroke made Crossing is fast and accurate over short distances The Information School 00:00:16 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Engtish coverage Coverage top 100 words ziprs Law Coverage without reshowing words Coverage wil reshowing words Number of Letlers The Information School Engtish coverage Coverage top 100 words ziprs Law Coverage without reshowing words Coverage wil reshowing words Number of Letlers The Information School 00:01:17 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Loop detection Easy to detect using simple oep Detector heuristics Minimum points Minmax bbox size Max closing distance M ax Io ng to sho rt side bbox ratio Certain point distribution More sophisticated detection is certainly possible, maybe T, RSP desirable The Information School Loop detection Easy to detect using simple oep Detector heuristics Minimum points Minmax bbox size Max closing distance M ax Io ng to sho rt side bbox ratio Certain point distribution More sophisticated detection is certainly possible, maybe T, RSP desirable The Information School 00:00:09 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Loop detection Easy to detect using simple heuristics Minimum points Minmax bbox size Max closing distance M ax 1o ng to short side bbox ratio Certain point distribution More sophisticated detection is certainly possible, maybe T, RS, P desirable The Information School Loop detection Easy to detect using simple heuristics Minimum points Minmax bbox size Max closing distance M ax 1o ng to short side bbox ratio Certain point distribution More sophisticated detection is certainly possible, maybe T, RS, P desirable The Information School 00:00:15 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Other design features Selection change The Information School Other design features Selection change The Information School 00:00:18 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Other design features Selection change Sb oke cancetlabon The Information School Other design features Selection change Sb oke cancetlabon The Information School 00:00:07 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Other design features Selection change Stroke cancellation Direct wold selectlor, The Information School Other design features Selection change Stroke cancellation Direct wold selectlor, The Information School 00:00:20 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Other design features Selection change Stroke cancellation Direct word selec don Special backspace for completion undo The Information School Other design features Selection change Stroke cancellation Direct word selec don Special backspace for completion undo The Information School 00:00:11 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Other design features Selection change Stroke cancellabon Direet word seleelion Special backspace for completion undo The Information Schoot Other design features Selection change Stroke cancellabon Direet word seleelion Special backspace for completion undo The Information Schoot 00:00:13 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Stytus EdgeWrite Wobbrock et aL UIST 2003 The Information School Stytus EdgeWrite Wobbrock et aL UIST 2003 The Information School 00:00:20 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Stytus Fisch The Information School Stytus Fisch The Information School 00:00:16 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Stytus Fisch The Information SchooL Stytus Fisch The Information SchooL 00:00:10 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Stytus Fisch The Information School Stytus Fisch The Information School 00:00:09 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Stytus Fisch They wiU be here tomorrow Unfiled The Information School Stytus Fisch They wiU be here tomorrow Unfiled The Information School 00:00:05 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Stytus Fisch They wig be here tomorrow arnet Simulamr Unfiled Done Details The Information School Stytus Fisch They wig be here tomorrow arnet Simulamr Unfiled Done Details The Information School 00:00:14 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Stylus Fisch They wig be here tomorrow Unfiled Done Detads The Information School Stylus Fisch They wig be here tomorrow Unfiled Done Detads The Information School 00:00:04 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 An anecdote of record speed for your information only 25 character strokes 6 strokes in Fisch 33 times in 7 minutes OFisch Reached 63.3 WPM Hax char-leve Z4.0 WPH The Information School An anecdote of record speed for your information only 25 character strokes 6 strokes in Fisch 33 times in 7 minutes OFisch Reached 63.3 WPM Hax char-leve Z4.0 WPH The Information School 00:00:41 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Trackbat EdgeWrite Untitled Hotepad Trackball Edge Wobbrock IVhjers CHI 2006 The Information School Trackbat EdgeWrite Untitled Hotepad Trackball Edge Wobbrock IVhjers CHI 2006 The Information School 00:00:06 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 TrackbaLL Fisch win be here mr nohow The Information School TrackbaLL Fisch win be here mr nohow The Information School 00:00:06 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 TrackbaLL Fisch They wig be here tomorrow U ntitled Notep, ad Fte Edrtt F-wn- Fatmat The Information Schoot TrackbaLL Fisch They wig be here tomorrow U ntitled Notep, ad Fte Edrtt F-wn- Fatmat The Information Schoot 00:00:16 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Over 11 weeks 15,629 c haters Log Results 43.9 completed 3.11 chacompletion 43.9 were completed DD DIPLIDDOO characters 16.5 charac backspace 7.7 completion undo The Information School Over 11 weeks 15,629 c haters Log Results 43.9 completed 3.11 chacompletion 43.9 were completed DD DIPLIDDOO characters 16.5 charac backspace 7.7 completion undo The Information School 00:00:22 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Short experiment 8 phrases no Fisch, Fisch 8.22 vs. 12.09 WPM 0 unc. errors 47.1 improvement Similar to 43.9 savings from logs The Information School Short experiment 8 phrases no Fisch, Fisch 8.22 vs. 12.09 WPM 0 unc. errors 47.1 improvement Similar to 43.9 savings from logs The Information School 00:00:29 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 OD Lab D Lab D 4 subjects, 8 phrases per session, 30 sessions 939 vs. 12.81 WPH avg. The Information School OD Lab D Lab D 4 subjects, 8 phrases per session, 30 sessions 939 vs. 12.81 WPH avg. The Information School 00:00:22 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Future work The Information School Future work The Information School 00:00:07 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Future work Full implementation in a commercial alphabet e.g. Graffit, Jot The Information School Future work Full implementation in a commercial alphabet e.g. Graffit, Jot The Information School 00:00:16 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Future work FuLL implementation in a commercial alphabet e.g. Graffit, Jot Laboratory experiment Further logging of rea-wodd use The Information School Future work FuLL implementation in a commercial alphabet e.g. Graffit, Jot Laboratory experiment Further logging of rea-wodd use The Information School 00:00:19 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Future work Full implementation in a commercial alphabet e.g. Graffiti, Jot Laboratory experiment Further Logging of real-worLd use Theoretical model of speed Support interactive way of adding custom words The Information School Future work Full implementation in a commercial alphabet e.g. Graffiti, Jot Laboratory experiment Further Logging of real-worLd use Theoretical model of speed Support interactive way of adding custom words The Information School 00:00:12 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Conclusion Presented Fisch, a design for word-level unistrokes Minimally extends character-Level unistrokes to form words The Information School Conclusion Presented Fisch, a design for word-level unistrokes Minimally extends character-Level unistrokes to form words The Information School 00:00:08 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Conclusion Presented Fisch, a design for word-level unistrokes MinimaUy extends character-level unistrokes to form words Offers speed and accuracy gains New way of interaction with word completion systems Integrated within the stroke itself Can perform by feel once learned The Information School Conclusion Presented Fisch, a design for word-level unistrokes MinimaUy extends character-level unistrokes to form words Offers speed and accuracy gains New way of interaction with word completion systems Integrated within the stroke itself Can perform by feel once learned The Information School 00:00:14 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University Wed, 18 Oct 2006 00:00:00 +0200 In-stroke Word Completion SCIENCE > 2006 Thank you Download it for yourself htt de ts.washin ton.eduewrite Jacob O. Wobbrock University of Washington wobbrocku.washington.edu Brad A. Myers, Duen Horng Chau Carnesie MeLLon University The Information School Thank you Download it for yourself htt de ts.washin ton.eduewrite Jacob O. Wobbrock University of Washington wobbrocku.washington.edu Brad A. Myers, Duen Horng Chau Carnesie MeLLon University The Information School 00:02:53 no Jacob Wobbrock, Brad Myers, Duen Horng Chau, University of Washington, Carnegie Mellon University