Orthorectified imagery is valuable for a wide range of initiatives including environmental
change detection, planning, and disaster response. Obtaining aerial imagery at high …

Pacitan Regency is a region in East Java Province with varied landforms and high disaster
potential, including drought. The drought hazard in this region has not yet been determined …

Microtasking, the decomposition of tasks into small units of work, is prolific in human
computation and crowdsourcing. Some peer production systems are beginning to leverage …

Sidewalks play a pivotal role in urban mobility of everyday life. Ideally, sidewalks provide a
safe walkway for pedestrians, link public transportation facilities, and equip people with …

Flood damage data are needed for various applications. Structural damage of buildings can
reflect not only the economic damage but also the life‐threatening condition of a building …

Abstract The concept of Volunteered Geographic Information (VGI) has progressed from
being an exotic prospect to making a profound impact on GIScience and geography in …

In recent years, online volunteers have played important roles in disaster response. After a
major disaster, hundreds of volunteers are often remotely convened by humanitarian …

OpenAerialMap (OAM) is a crowdsourcing platform for uploading, hosting, sharing,
displaying, searching, and downloading openly licensed Earth image data from around the …

Crowdsourced, open geospatial data such as the data compiled through OpenStreetMap
have proven useful in addressing humanitarian, disaster and development needs. However …

Remote sensing is increasingly being used by non-profit organizations and international
initiatives to localize and document combat impacts such as conflict damage. Most of the …