Multimodal Framework Design, Children’s Multimodal Usage Patterns and the Efficacy of Mutual Disambiguation for Children

XTRA Input

nFour levels of granularity are provided for indicating the selected area of dialog focus:

qExact pointing with a pencil

qStandard pointing with the index finger

qVague pointing with the entire hand

qEncircling a region with an ‘@’ sign

nAlso allows three types of gestures: point, underline and encircle.