Big spatial data mining

In this paper, spatial data mining is discussed in the context of big data. Firstly, we elaborate the fact that spatial data plays a primary role in big data, attracting academic community, business industry and governments. Secondly, the adverse of spatial data mining is discussed, such as much garbage, heavy pollution and its difficulties in utilization. Finally, we dissect the value in spatial big data, expound the techniques to discover knowledge from spatial big data, and investigate the transformation from knowledge into data intelligences.