ZhengX11'

@article{DBLP:journals/tist/ZhengX11,
  author    = {Yu Zheng and
               Xing Xie},
  title     = {Learning travel recommendations from user-generated GPS
               traces},
  journal   = {ACM TIST},
  volume    = {2},
  number    = {1},
  year      = {2011},
  pages     = {2},
  ee        = {http://doi.acm.org/10.1145/1889681.1889683},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}