Maps are a fundamental resource in a diverse array of applications ranging from everyday activities, such as route planning through the legal demarcation of spa

This book reports on some of the key issues connected with the use of citizen sensors in mapping, exploring issues linked to topics ranging from citizen motivat

Maps are a fundamental resource in a diverse array of applications ranging from everyday activities, such as route planning through the legal demarcation of spa

This open access book offers a summary of the development of Digital Earth over the past twenty years. By reviewing the initial vision of Digital Earth, the evo