Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Chemical Markup Language(also: CML)
- An XML-based markup language for representing chemical information including molecular structures, reactions, spectra, and other chemical data in a machine-readable format. CML encodes atoms, bonds, and molecular properties in a structured text format that can be processed by…
- Clustering Algorithm(also: Cluster Analysis, Unsupervised Clustering, K-means)
- A clustering algorithm is an unsupervised machine-learning technique that groups similar data points together based on a distance or similarity measure, without needing pre-labelled training data. Common algorithms include K-means, PAM (Partitioning Around Medoids), CLARA…
- Corpus(also: Language Corpus, Text Corpus, British National Corpus)
- A corpus is a large, structured collection of texts used to train, tune, or evaluate language-processing systems. Representative examples include the British National Corpus (BNC, 100 million words of British English), the Penn Treebank, and more recently Common Crawl and…
- Crowdsourcing
- The practice of gathering information, data, or contributions from a large group of distributed participants, typically via the internet. In accessibility, crowdsourcing platforms like Wheelmap and AccessTogether allow users to rate and report the accessibility of physical…
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