@inproceedings{Van_Laerhoven_2009, title={When Else Did This Happen? Efficient Subsequence Representation and Matching for Wearable Activity Data}, url={http://dx.doi.org/10.1109/ISWC.2009.23}, DOI={10.1109/iswc.2009.23}, booktitle={2009 International Symposium on Wearable Computers}, publisher={IEEE}, author={Van Laerhoven, Kristof and Berlin, Eugen}, year={2009}, month=Sept, pages={101–104} }