technique to enter text using a mobile phone keypad (T9 dictionary-based disambiguation)

[gene tani]

Petr Jakeš wrote:
> I have a standard 12-key mobile phone keypad connected to my Linux
> machine as a I2C peripheral. I would like to write a code which allows
> the text entry to the computer using this keypad (something like T9 on
> the mobile phones)
>
> According to the http://www.yorku.ca/mack/uist01.html
> dictionary-based disambiguation is coming in the mind.
>
> With dictionary-based disambiguation, each key is pressed only once.
> For example, to enter the, the user enters 8-4-3-0. The 0 key, for
> SPACE, delimits words and terminates disambiguation of the preceding
> keys. The key sequence 8-4-3 has 3 × 3 × 3 = 27 possible renderings
> (see Figure 1). The system compares the possibilities to a dictionary
> of words to guess the intended word.
> 

http://rubyquiz.com/quiz20.html