Crowdsourcing Geographic Knowledge: Volunteered Geographic Information (VGI) in Theory and Practice ed. by Daniel Sui, Sarah Elwood, and Michael Goodchild (review)
Mapping and Visualizing the Built Environment and User Interaction Through Facilitated-Volunteered Geographic Information (F-VGI)
Integrating Spatial Data 4 Infrastructures (SDIs) with Volunteered Geographic Information (VGI) for creating a Global GIS platform
Managing citizen visibility in eGovernance : citizen volunteered geographic information, VGI, as input to policy agenda setting : powerpoint.