An hour or so before , 10-year-old ola , and yahya , nine , had been standing close to their school gates with a group of other primary school children , waiting for a lift to take them home .
Per ola kristensson and keith vertanen , at the university of cambridge 's computer laboratory , have developed a method of allowing speech-recognition programs to share their thoughts , as it were , with the user , in order to speed up the correction process .