Martin Treiblmayr Karen H. L. Tso-Sutter Antonio Krüger Interfacing business processes and spatial processes. 174-180 2011 ICSDM http://dx.doi.org/10.1109/ICSDM.2011.5969027 conf/icsdm/2011 db/conf/icsdm/icsdm2011.html#TreiblmayrTK11