Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Chart Question Answering(also: Chart QA, ChartQA, Visual Question Answering for Charts)
- The task of answering natural-language questions about a data visualization, typically a chart provided as an image or structured specification. A chart question answering system must identify the chart type, extract the underlying data, interpret axes and legends, and answer…
- Intention-Based Description(also: Intention-Based Graph Description, Purpose-Driven Description)
- An approach to generating accessible descriptions of visual content (particularly graphs and data visualisations) that focuses on communicating what the creator intended to convey rather than exhaustively describing every visual element. In graph accessibility, intention-based…
- Multivariate Data(also: Multivariate Dataset, High-Dimensional Data)
- Data in which each observation or sample has more than two measured variables (dimensions). Analysing multivariate data is a core task in statistics, science, and business intelligence, but presenting it accessibly is difficult: traditional charts effectively show two or three…
- USDZ(also: Universal Scene Description Zip)
- A 3D file format based on Pixar's Universal Scene Description (USD), packaged as a zip archive so a single file can carry meshes, textures, materials, and animations. USDZ is the default 3D asset format on Apple platforms and powers iOS 'AR Quick Look' and many retail…
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