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Front Cover
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Text Entry Systems: Mobility, Accessibility, Universality
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Copyright Page
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Contents
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Preface: Variety and Universality
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Part 1 Foundations
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Chapter 1 Historical Overview of Consumer Text Entry Technologies
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1.1 INTRODUCTION
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1.2 TYPEWRITER, 1870s TO 1980s
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1.3 PERSONAL COMPUTER, 1980S TO PRESENT
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1.4 MOBILE PHONES, 1990S TO PRESENT
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1.5 HANDHELD COMPUTERS
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1.6 CONCLUSIONS
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1.7 FURTHER READING
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REFERENCES
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Chapter 2 Language Models for Text Entry
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2.1 INTRODUCTION
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2.2 BASIC MODEL OF TEXT ENTRY
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2.3 N-GRAM MODELS
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2.4 HIDDEN MARKOV MODEL
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2.5 ADAPTIVE MODELS
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2.6 CONCLUDING REMARKS
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REFERENCES
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Chapter 3 Measures of Text Entry Performance
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3.1 INTRODUCTION
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3.2 AGGREGATE MEASURES
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3.3 CHARACTER-LEVEL MEASURES
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3.4 MEASUREMENTS FROM LOG FILES
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3.5 METHOD-SPECIFIC MEASURES
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3.6 DISCUSSION OF MEASURES
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3.7 FURTHER READING
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REFERENCES
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Chapter 4 Evaluation of Text Entry Techniques
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4.1 INTRODUCTION
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4.2 COMPARATIVE EVALUATION OF TEXT ENTRY TECHNIQUES
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4.3 EXPERIMENT DESIGN
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4.4 LEARNING
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4.5 SUMMARY AND FURTHER READING
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REFERENCES
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Part 2 Entry Modalities and Devices
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Chapter 5 Text Entry Using a Small Number of Buttons
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5.1 INTRODUCTION
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5.2 MOBILE PHONE KEYPAD AND ENTRY METHODS
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5.3 CHARACTERISTIC MEASURES FOR AMBIGUOUS KEYBOARDS
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5.4 MOBILE PHONE KEYPAD VARIANTS
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5.5 EVALUATING KEYBOARDS
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5.6 ENTRY BY COMPLETION
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5.7 SUMMARY AND FURTHER READING
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REFERENCES
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Chapter 6 English Language Handwriting Recognition Interfaces
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6.1 INTRODUCTION
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6.2 OFFLINE HANDWRITING RECOGNITION
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6.3 ONLINE HANDWRITING RECOGNITION
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6.4 SHORTHAND
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6.5 COMMERCIAL ONLINE SYSTEMS
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6.6 CASE STUDY
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6.7 FURTHER READING
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REFERENCES
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Chapter 7 Introduction to Shape Writing
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7.1 INTRODUCTION
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7.2 THE BASIC CONCEPT OF SHAPE WRITING
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7.3 INFORMATION AND CONSTRAINTS
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7.4 SHAPE-WRITING RECOGNITION
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7.5 OUT-OF-LEXICON INPUT, AMBIGUITY, AND ERROR HANDLING
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7.6 HUMAN SENSITIVITY TO SHAPE AS AN ENCODING MODALITY AND THE PROGRESSION FROM TRACING TO DIRECT SHAPE WRITING
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7.7 EFFICIENCY AND LAYOUT MATTERS
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7.8 THE MULTIPLE DIMENSIONS AND GUIDELINES OF EFFICIENT TEXT ENTRY
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7.9 FURTHER READING
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REFERENCES
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Chapter 8 Speech-Based Interfaces
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8.1 INTRODUCTION
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8.2 CATEGORIES OF SPEECH RECOGNITION TASKS
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8.3 PRINCIPLES OF SPEECH RECOGNITION
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8.4 DICTATION SYSTEMS AND THEIR DIFFICULTIES
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8.5 SPOKEN DIALOGUE SYSTEMS AND THEIR DIFFICULTIES
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8.6 EVALUATION OF SPEECH-BASED INPUT SYSTEMS
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8.7 CONCLUSION
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REFERENCES
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Chapter 9 Text Entry by Gaze: Utilizing Eye Tracking
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9.1 INTRODUCTION
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9.2 DIFFERENT APPROACHES TO TEXT ENTRY BY GAZE
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9.3 CASE STUDIES AND GUIDELINES
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9.4 FURTHER READING
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ACKNOWLEDGMENTS
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REFERENCES
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Part 3 Language Variations
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Chapter 10 Writing System Variation and Text Entry
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10.1 INTRODUCTION
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10.2 VARIATION IN WRITING SYSTEMS
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10.3 TEXT ENTRY PROBLEMS IN DIFFERENT WRITING SYSTEMS
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10.4 ALPHABETIC SCRIPTS
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10.5 CONCLUDING REMARKS
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10.6 ACKNOWLEDGMENTS
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REFERENCES
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Chapter 11 Text Entry in East Asian Languages
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11.1 INTRODUCTION
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11.2 LANGUAGE DESCRIPTION
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11.3 NONPREDICTIVE METHODS
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11.4 PREDICTIVE ENTRY BASED ON PHONETICS
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11.5 PREDICTIVE ENTRY BASED ON SHAPES
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11.6 ENTRY ON OTHER DEVICES
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11.7 IDEOGRAM ENTRY SYSTEM FOR NONNATIVES
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11.8 CONCLUSION
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REFERENCES
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Chapter 12 Text Entry in South and Southeast Asian Scripts
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12.1 INTRODUCTION
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12.2 CHARACTERISTICS OF AN ABUGIDA
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12.3 TEXT ENTRY ISSUES
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12.4 TEXT ENTRY SYSTEMS IN INDIA
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12.5 TEXT ENTRY SYSTEMS IN THAILAND
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12.6 CONCLUSION
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12.7 FURTHER READING
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REFERENCES
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Chapter 13 Text Entry in Hebrew and Arabic Scripts
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13.1 INTRODUCTION
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13.2 ARABIC AND HEBREW SCRIPTS
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13.3 STANDARD ENTRY
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13.4 ENTRY ON MOBILE DEVICES
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13.5 TOWARD COMPUTER-AIDED ENTRY
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13.6 CONCLUDING REMARKS
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13.7 ACKNOWLEDGMENTS
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REFERENCES
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Part 4 Accessibility, Universality
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Chapter 14 Text Input for the Elderly and the Young
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14.1 INTRODUCTION
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14.2 OVERVIEW OF AGE EFFECTS
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14.3 TEXT INPUT FOR THE ELDERLY
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14.4 TEXT INPUT FOR CHILDREN
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14.5 CASE STUDY—EVALUATING TEXT INPUT WITH CHILDREN
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14.6 FURTHER READING
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REFERENCES
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Chapter 15 Text Entry When Movement is Impaired
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15.1 INTRODUCTION
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15.2 USING KEYBOARDS
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15.3 ASSISTIVE INPUT TECHNIQUES
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15.4 ALTERNATIVES TO STANDARD KEYBOARDS
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15.5 AAC TEXT INPUT
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15.6 CASE STUDY: DISAMBIGUATION
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15.7 FURTHER READING
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REFERENCES
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Chapter 16 Text Entry for People with Visual Impairments
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16.1 INTRODUCTION
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16.2 TEXT ENTRY FOR LATIN ALPHABETS
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16.3 TEXT ENTRY FOR IDEOGRAPHIC CHARACTERS
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16.4 SELECTION-BASED TEXT ENTRY INTERFACES
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16.5 DESIGN GUIDELINES
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16.6 CONCLUSION
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RELATED ORGANIZATIONS AND RESEARCH GROUPS
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MAJOR PRODUCTS
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REFERENCES
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Index
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A
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B
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C
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D
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E
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F
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G
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H
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I
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J
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K
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L
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M
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N
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O
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P
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Q
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R
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S
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T
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U
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V
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W
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Y
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Z
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About the Authors
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