Glossary

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Accessibility ontology(also: A11y ontology, Accessibility knowledge graph)

A formal, structured representation of accessibility concepts, their properties, and the relationships between them, typically expressed in OWL (Web Ontology Language). Accessibility ontologies model domains such as disabilities, assistive technologies, standards, testing…

Community of Practice(also: CoP)

A group of people who share a common interest or concern and learn together through regular interaction, sharing knowledge, and collaborative problem-solving. In technology adoption contexts, communities of practice form organically when groups such as older adults in…

Description Logic(also: DL, Description Logics)

A family of formal knowledge representation languages used as the mathematical foundation for ontology languages like OWL. Description logics describe a domain in terms of individuals (specific entities), concepts or classes (sets of individuals with shared characteristics), and…

Knowledge Base(also: KB, FAQ Database)

A knowledge base is a structured repository of information — typically questions, answers, articles, or how-to guides — that can be searched and browsed to find solutions to problems. In accessibility contexts, knowledge bases serve as important support tools for people with…

Taxonomy(also: Classification System, Classification Scheme)

A structured classification system that organizes concepts, terms, or entities into hierarchical categories based on shared characteristics. In accessibility research and practice, taxonomies are used to categorize types of disabilities, assistive technologies, accessibility…

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