- Nancy Wiegand, Gary Berg-Cross, Dalia Varanka, editors, Proceedings of the 2011 International Workshop on Spatial Semantics and Ontologies, SSO 2011, November 1, 2011, Chicago, IL, USA, Proceedings. ACM, 2011.
- Lars Kulik, Ralf Hartmut Güting, Hua Lu, editors, Indoor Spatial Awareness - ISA 2011, 3rd International Workshop, Chicago, IL, USA, November 1, 2011. Proceedings. ACM, 2011.
- Elisa Bertino, Maria Luisa Damiani, Gabriel Ghinita, editors, Proceedings of the 4th ACM SIGSPATIAL International Workshop on Security and Privacy in GIS and LBS, SPRINGL 2011, November 1st, 2011, Chicago, IL, USA. ACM, 2011.
- Isabel F. Cruz, Divyakant Agrawal, Christian S. Jensen, Eyal Ofek, Egemen Tanin, editors, 19th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems, ACM-GIS 2011, November 1-4, 2011, Chicago, IL, USA, Proceedings. ACM, 2011.
- Christian S. Jensen, Wang-Chien Lee, Yu Zheng, Mohamed F. Mokbel, editors, Proceedings of the 2011 International Workshop on Location Based Social Networks, LBSN 2011, November 1, 2011, Chicago, IL, USA, Proceedings. ACM, 2011.
- Shaowen Wang, Nancy Wilkins-Diehr, editors, Proceedings of the 2011 Second International Workshop on High Performance and Distributed Geographic Information Systems, HPDGIS 2011, November 1, 2011, Chicago, IL, USA, Proceedings. ACM, 2011.
- Mohamed H. Ali, Erik G. Hoel, Farnoush Banaei Kashani, editors, Proceedings of the 2011 ACM SIGSPATIAL International Workshop on GeoStreaming, IWGS 2011, November 1, 2011, Chicago, IL, USA. ACM, 2011.
- Piyushimita Thakuriah, editor, 4th ACM SIGSPATIAL International Workshop on Computational Transportation Science 2011, CTS'11, Chicago, IL, USA, November 1, 2011. ACM, 2011.
- Proceedings of the 2nd ACM SIGSPATIAL International Workshop on Querying and Mining Uncertain Spatio-Temporal Data, QUeST 2011, Chicago, IL, USA, November 1, 2011. ACM, 2011.