| 摘要 |
The defacto standard for text entry on standard telephone keypads (100), such as fixed phones, cell phones, fax machines is a multi-tap method where one of several letters associated to an input means (5000) is selected by pressing the input means (5000) a number of times equal to the position of the desired letter in the ordering of letters associated to the input means. Typically, for the standard alphabetic ordering, a large number of presses are required to obtain any given letter. The present invention uses prefix information to dynamically reorder the choices so that the average number of input means manipulations is reduced.
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