Methods for Volunteered Geographic Information Quality Assessment in Disaster Response

Abstract

Disaster response is the most crucial phase in the cycle of disaster management. With increased information, disaster management stakeholders are possible to reduce community harm and save lives. Currently, the spatial information used in the response phase is collected from two sources, authoritative channels and Volunteered Geographic Information. Although the authoritative information is more reliable, it might be outdated or limitedly available during the response. By contrast, Volunteered Geographic Information (VGI), which is a direct geographic contribution by volunteers or affected residents, has the potential to provide the complementary information to the authoritative information...