Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- GPS(also: Global Positioning System, GNSS, Satellite Navigation)
- The Global Positioning System (GPS) is a satellite-based navigation system that provides location and time information to receivers on Earth. For accessibility, GPS is foundational to wayfinding apps used by blind and low-vision travelers, enabling turn-by-turn navigation and…
- Gait analysis(also: Walking pattern analysis, Locomotion analysis)
- The systematic study of human walking patterns, including step frequency, stride length, body sway, and turning behaviour, using sensors or observation. In accessibility research, gait analysis reveals that blind people who use white canes or guide dogs have distinct walking…
- Geographic Information System(also: GIS)
- A system for capturing, storing, analyzing, and displaying geographically referenced spatial data. In accessibility, GIS technology underpins navigation and wayfinding tools for blind and visually impaired users by providing detailed environmental databases that can be queried…
- Global Navigation(also: Macro navigation, Route-scale navigation)
- Navigation at the scale of routes and buildings — delivering a user from a starting point to a general destination area (a room, a platform, an exit). In blind-navigation research, global-navigation systems are typically turn-by-turn, localised via GPS, BLE beacons, Wi-Fi RSS,…
- GoodMaps
- GoodMaps is an accessible indoor navigation platform that provides detailed indoor maps and turn-by-turn navigation for blind and low-vision users in buildings such as airports, transit stations, hospitals, and government offices. The system uses a combination of smartphone…
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