Text Entry Systems

Index

12-key keypad, in mobile phones, 14, 15–16, 107

A

Abbreviated input, 266

Abbreviation expansion, 291

Abjad, 193–194, 195, 251, 255, 257

Abugida, 192, 193, 227, 228

characteristics

character formation, 230–231

script inventory, 228–230

implementation issues, 233

deletion, 235

input sequence, 234

keyboard layout, 234

number of characters, 233

selection of characters, 234

phonological inventory, 229

text entry issues

character sets, 232

orthographic syllable, 232–233

zero-width characters, 233

Accuracy, 47, 170, 176

Acoustic model, 162

Adaptive language models, 38–43

offline adaptation, 38

online adaptation, 38

Adjusted words per minute (AdjWPM), 49–50

Age effects

experience and learning, 275–276

muscle function, 272–273

social factors, ...