@inproceedings{WLT05iswc,
  author    ="J.A. Ward and
               P. Lukowicz and
               G. Tr{\"o}ster",
  title     ="A categorisation of performance errors in continuous context recognition",
  booktitle ="Proc. IEEE Int'l Symp. on Wearable Comp, Workshop for On-Body Sensing",
  year      ="2005",
}