An object-oriented data model built for blind navigation in outdoor space

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Social Sciences, Emergency Preparedness, Geography +17

Citizens as Voluntary Sensors: Spatial Data Infrastructure in the World of Web 2.0

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SAWSDL: Semantic Annotations for WSDL and XML Schema

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Measuring Network Connectivity for Bicycling and Walking

Jennifer Dill · 2004 · 288 citations

Social Sciences, Geography, Urban Planning +11

SWAN: System for Wearable Audio Navigation

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Computing, Geography, Geoinformatics +17