Using a common accessibility profile to improve accessibility
作者： David W. Fourney
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摘要: People have diffculties using computers. Some more than others. There is a need for guidance in how to evaluate and improve the accessibility of systems users. Since different users considerably needs, very complex issue. ISO 9241-171 defines as “usability product, service, environment or facility by people with widest range capabilities.” While this definition can help manufacturers make their products accessible people, it does not ensure that given product particular individual. A reference model presented act theoretical foundation. This Universal Access Reference Model (UARM) focuses on interaction between systems, provides mechanism share knowledge abilities systems. The UARM also suggests role assistive technologies (ATs) play interaction. Common Accessibility Profile (CAP), which based UARM, be used describe accessibility. CAP framework identifying issues individual configurations. It profiles capabilities communicate. profile environmental interference communication use ATs transform abilities. extended further general domain specific requirements are standardized. structure various specifications manner that, future, will allow computational combination comparison profiles. Recognizing its potential impact, now being standardized User Interface subcommittee International Organization Standardization Electrotechnical Commission.
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