@article{Gottfried2011, author = {Gottfried, Bj\"{o}rn}, journal = {Journal on Spatial Information Science}, number = {1}, pages = {85--86}, title = {{Special Feature: Behavior monitoring and interpretation}}, url = {http://dx.doi.org/10.5311/JOSIS.2011.2.5}, volume = {2}, year = {2011}, keywords = {ISPL} }