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2009
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Trailblazer: enabling blind users to blaze trails through the web

11 years 7 months ago
Trailblazer: enabling blind users to blaze trails through the web
For blind web users, completing tasks on the web can be frustrating. Each step can require a time-consuming linear search of the current web page to find the needed interactive element or piece of information. Existing interactive help systems and the playback components of some programming-by-demonstration tools identify the needed elements of a page as they guide the user through predefined tasks, obviating the need for a linear search on each step. We introduce TrailBlazer, a system that provides an accessible, non-visual interface to guide blind users through existing how-to knowledge. A formative study indicated that participants saw the value of TrailBlazer but wanted to use it for tasks and web sites for which no existing script was available. To address this, TrailBlazer offers suggestion-based help created on-the-fly from a short, user-provided task description and an existing repository of how-to knowledge. In an evaluation on 15 tasks, the correct prediction was containe...
Jeffrey P. Bigham, Tessa A. Lau, Jeffrey Nichols
Added 17 Mar 2010
Updated 17 Mar 2010
Type Conference
Year 2009
Where IUI
Authors Jeffrey P. Bigham, Tessa A. Lau, Jeffrey Nichols
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