Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Accessibility Commons(also: AC Repository, AC Metadata Repository)
- A shared metadata repository and schema proposed in 2008 by IBM, the University of Washington, Stony Brook University, and the University of Manchester to let accessibility-remediation research projects publish and reuse externally authored fixes for inaccessible web content. An…
- Amazon Mechanical Turk(also: AMT, MTurk, Mechanical Turk)
- A crowdsourcing marketplace operated by Amazon that enables individuals and businesses to distribute tasks (called Human Intelligence Tasks or HITs) to a distributed workforce who complete them remotely for small payments. AMT has been widely used in HCI and accessibility…
- Annotation(also: Web Annotation, Content Annotation)
- The practice of adding supplementary information, notes, or metadata to existing digital content, typically without modifying the original source. In accessibility, annotation is used to add alternative descriptions, labels, structural information, or other accessibility…
- Assistive Services(also: Crowdsourced Assistive Services, Human-powered Accessibility Services)
- On-demand services that pair people with disabilities with remote human helpers, often via crowdsourcing or a dedicated responder network, to answer accessibility questions or perform small assistive tasks. Examples include visual-question-answering tools for people who are…
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