Ambiguous keyboards for AAC
- ISSN: 17549450
- DOI: 10.1108/17549451111190650
Abstract
Purpose Ambiguous keyboards and disambiguation processes are becoming universally recognised through the popularisation of predictive text messaging on mobile phones. As this paper shows, although originating in the AT and AAC fields, these terms and techniques no longer appear to be widely understood or adopted by practitioners or users. The purpose of this paper is to introduce these techniques, discussing the research and theory around them, and to suggest them as AT and AAC strategies to be considered by practitioners and users. Design/methodology/approach This is a conceptual paper that describes the use of ambiguous keyboards and disambiguation. The hypothesis of the paper is that ambiguous keyboards and disambiguation processes offer potential to increase the efficiency and effectiveness of AAC and should thus be considered further in research and practice. Findings The two broad methods for removing the ambiguity from the output of an ambiguous keyboard are presented. A summary of the literature around the use of disambiguation processes provided and the use of disambiguation processes for AAC discussed. Originality/value This paper suggests that ambiguity should be adopted as a characteristic of an AAC keyboard as should the method of removing ambiguity namely either coding or a disambiguation process.
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