Glossary

Searchable terminology from accessibility, web standards, and related fields.

6660 terms — page 246 of 333

SAPI (Speech Application Programming Interface, Microsoft SAPI)
The Speech Application Programming Interface (SAPI) is a Microsoft Windows API that enables applications to use speech recognition and text-to-speech synthesis. SAPI provides a standardized interface …
SARI (System output Against References and against the Input sentence)
An automatic evaluation metric for text simplification systems that compares a system’s output against both the original input sentence and a set of human-written simplification references, rewarding …
SCORM (Sharable Content Object Reference Model)
A set of technical standards for e-learning software products, originally developed by the Advanced Distributed Learning (ADL) initiative. SCORM defines how learning content is packaged, sequenced, an…
SERPA (Streamlined Evaluation and Reporting Process for Accessibility)
A programmer-centric methodology for conducting and reporting website accessibility evaluations, proposed by Law, Jacko, and Edwards in 2005. SERPA restructures the traditional accessibility evaluatio…
SGML (Standard Generalized Markup Language)
An international standard (ISO 8879:1986) metalanguage for defining markup languages that describe the structure and content of electronic documents. SGML introduced foundational concepts including de…
SHAP (SHapley Additive exPlanations)
A unified framework for feature-importance explanations of machine-learning models, introduced by Lundberg and Lee in 2017, grounded in Shapley values from cooperative game theory. For any model and i…
SHT Liaison (Smart Home Technology Liaison)
A role identified in accessibility research where a non-disabled person—often a caregiver, family member, or friend—takes responsibility for researching, setting up, troubleshooting, and maintaining s…
SIGACCESS (ACM SIGACCESS, SIGCAPH, Special Interest Group on Accessible Computing)
The ACM Special Interest Group on Accessible Computing, the primary professional organization within ACM dedicated to accessibility research. Originally founded as SIGCAPH (Special Interest Group on C…
SLPAT (Speech and Language Processing for Assistive Technologies)
A special interest group jointly supported by the Association for Computational Linguistics (ACL) and the International Speech Communication Association (ISCA), focused on speech and language technolo…
SMART Matrix (Systems-Market Framework)
A framework for understanding assistive technology ecosystems developed by MacLachlan et al. that analyzes AT provision at three levels: micro (individual user — matching products to needs), meso (ser…
SMIL (Synchronized Multimedia Integration Language)
A W3C XML-based markup language for describing multimedia presentations that combine audio, video, text, images, and other media with precise temporal and spatial synchronization. SMIL is significant …
SMILES (Simplified Molecular-Input Line-Entry System)
A text-based notation system that represents chemical molecular structures as short character strings, making them both machine-readable and human-readable. For accessibility, SMILES is significant be…
SMOG (SMOG Index, SMOG Grade, Simple Measure of Gobbledygook)
A readability formula developed by G. Harry McLaughlin in 1969 that estimates the years of education needed to understand a text, based on the number of polysyllabic words (three or more syllables) in…
SMOTE (Synthetic Minority Over-sampling Technique)
A data augmentation technique that addresses class imbalance in machine learning datasets by generating synthetic examples of the minority class rather than simply duplicating existing ones. SMOTE cre…
SRT (SubRip, SubRip Text, SRT Subtitle Format)
SRT (SubRip Text) is a widely used plain-text subtitle file format originally created by the SubRip software for extracting subtitles from DVDs. An SRT file contains sequentially numbered subtitle ent…
STEAM (STEAM education)
An extension of the STEM (Science, Technology, Engineering, and Mathematics) educational framework that explicitly integrates the Arts (design, music, visual art, storytelling, humanities). STEAM is o…
STEM (STEM Education, Science Technology Engineering and Mathematics)
An acronym for Science, Technology, Engineering, and Mathematics, used to describe educational disciplines and career fields. In accessibility contexts, STEM engagement is particularly important becau…
STEM Accessibility (Accessible STEM, STEM for Students with Disabilities)
The design and delivery of science, technology, engineering, and mathematics education in ways that are accessible to students with disabilities. STEM accessibility is a particularly acute challenge f…
STEM accessibility (Accessible STEM education)
The practice of making science, technology, engineering, and mathematics education and activities accessible to people with disabilities. STEM fields present particular accessibility challenges becaus…
STL File (Stereolithography File, Standard Triangle Language)
A file format widely used in 3D printing that describes the surface geometry of a three-dimensional object using triangular facets. STL files are the standard format for sharing 3D-printable designs o…