@inproceedings{King_2006c,
 author = {King, Thomas and Kopf, Stephan and Haenselmann, Thomas and Lubberger, Christian and Effelsberg, Wolfgang},
 title = {COMPASS: A Probabilistic Indoor Positioning System Based on 802.11 and Digital Compasses},
 booktitle = {Proceedings of the 1st International Workshop on Wireless Network Testbeds, Experimental Evaluation \& Characterization},
 series = {WiNTECH '06},
 year = {2006},
 isbn = {1-59593-539-8},
 location = {Los Angeles, CA, USA},
 pages = {34--40},
 numpages = {7},
 url = {http://doi.acm.org/10.1145/1160987.1160995},
 doi = {10.1145/1160987.1160995},
 acmid = {1160995},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {802.11, applications, context-aware, digital compass, location systems, location-based services, positioning systems, ubiquious computing},
}