@inproceedings{Kunze:2009ub,
author = {Kunze, Kai and Lukowicz, Paul and Partridge, Kurt and Begole, Bo},
title = {{Which Way Am I Facing: Inferring Horizontal Device Orientation from an Accelerometer Signal}},
booktitle = {ISWC '09: Proceedings of the 2009 International Symposium on Wearable Computers},
year = {2009},
publisher = { IEEE Computer Society},
address = {Linz, Austria},
month = sep
}