@inproceedings{publication-2277, address={Aachen, Germany}, author={Gr{\"u}tter, Rolf and Scharrenbach, Thomas}, booktitle={Proceedings of the Terra Cognita Workshop, ISWC2009}, doi={10.1111/j.1467-9671.2010.01185.x}, editor={Kolas, Dave and Wiegand, Nancy and Berg-Cross, Gary}, month={OCT}, publisher={CEUR-WS}, series={CEUR Workshop Proceedings}, title={A qualitative approach to vague spatio-thematic query processing}, year=2009, }