DEXAW
2008
IEEE
14 years 2 months ago
2008
IEEE
Topological relations between geographic regions are of interest in many applications. When the exact boundaries of regions are not available, such relations can be established by...
GIR
2006
ACM
14 years 6 months ago
2006
ACM
Vague spatial information such as “x is located at walking distance of y” is abundant on the web. In this contribution, we propose a framework to represent such spatial inform...