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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Data Minimization
A privacy principle requiring that organizations collect, process, and retain only the minimum amount of personal data necessary to accomplish a specific purpose. For assistive technology users, data minimization is particularly important because these technologies often capture…
Data Protection Impact Assessment(also: DPIA, Privacy Impact Assessment, PIA)
A process required under GDPR Article 35 for assessing and mitigating risks to individuals' rights and freedoms before undertaking high-risk data processing. DPIAs are mandatory when processing is "likely to result in a high risk," including large-scale processing of special…
Data Sovereignty
The principle that data about a community — its people, territories, practices, or bodies — should be subject to the laws, governance, and collective authority of that community rather than of the outside entities that happen to collect or host it. The concept originated in…
Dataveillance
Surveillance conducted through the systematic collection, aggregation, and analysis of personal digital data — clicks, location traces, physiological signals, text, voice, facial data — rather than through direct observation. Dataveillance is the dominant mode in modern…

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