Philipp Bolliger. Redpin - adaptive, zero-configuration indoor localization through user collaboration. In Ying Zhang, Yinyu Ye, editors, Proceedings of the ACM International Workshop on Mobile Entity Localization and Tracking in GPS-less Environments, MELT 2008, San Francisco, California, USA, September 19, 2008. pages 55-60, ACM, 2008. [doi]