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Auditory presentation methods may significantly enhance the interaction quality during user-computer dialogue. The impact of auditory interaction methods is important in the context of non-visual interaction, where audio is the primary direct perception output modality. In a few cases, 3D-audio output techniques have been employed for providing interaction(More)
Today, there are no tools for supporting non-visual User Interface construction. Computer-based applications accessible by blind users are merely non-visual reproductions [2] of interactive software designed for sighted users. Moreover, the above approaches explicitly employ the Desktop metaphor for non-visual interaction. It is evident that there is a the(More)
Designing universally accessible user interfaces means designing for diversity in end-users and contexts of use, and implies making alternative design decisions, at various levels of the interaction design, inherently leading to diversity in the final design outcomes. Towards this end, a design method leading to the construction of a single interface design(More)
Existing systems wliich enable the accessibiiity of Grapliical User Interfaces to blind people follow an "adaptation strategy"; each system adopts its own fixed policy for reproducing visual dialogues to a non-visual form, without knowledge about the application domain or particular dialogue characteristics. It is argued that non-visual User Interfaces(More)
In automatic user interface adaptation, developers pursue the delivery of best-fit user interfaces according to the runtime-supplied profiles of individual end users and usage contexts. Software engineering of automatic interface adaptability entails: (a) storage and processing of user and usage-context profiles; (b) design and implementation of alternative(More)
The increasing use of Internet and the World Wide Web as a primary medium for communication and access to information is creating numerous opportunities and challenges for the population at large and especially for people with disabilities. The importance of supporting information exchange between all potential users in the context of the emerging(More)