Glossary

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

Document Expansion (Query Prediction, Document Enrichment)

An information retrieval technique that enhances a document by augmenting it with additional terms or predicted queries that users might use to search for that content. Methods like DocTTTTTQuery use …

• information retrieval
• machine learning
• web accessibility

Information Extraction (IE, Data Extraction)

The process of automatically identifying and retrieving structured information from unstructured or semi-structured data sources. In the context of accessibility and data visualization, information ex…

• data science
• information retrieval
• Data Visualization

Sign language detection (SL detection, Signing detection)

The automated identification of whether video content contains sign language communication, using computer vision techniques to analyse motion patterns around detected faces. Sign language detection i…

• computer vision
• deaf and hard of hearing
• information retrieval

Singular Value Decomposition (SVD)

A mathematical technique that decomposes a matrix into three component matrices, used to reduce high-dimensional data to its most important features while preserving essential relationships. In access…

• algorithms
• machine learning
• information retrieval

Web Segmentation (Page Segmentation, Web Page Segmentation)

The process of dividing a web page into distinct, meaningful sections or segments based on visual layout, structural markup, or content semantics. Web segmentation is important for accessibility becau…

• Web Accessibility
• content
• information retrieval