LiuSC10'

@article{DBLP:journals/pvldb/LiuSC10,
  author    = {Ziyang Liu and
               Qihong Shao and
               Yi Chen},
  title     = {Searching Workflows with Hierarchical Views},
  journal   = {PVLDB},
  volume    = {3},
  number    = {1},
  year      = {2010},
  pages     = {918-927},
  ee        = {http://www.comp.nus.edu.sg/$\sim$vldb2010/proceedings/files/papers/R82.pdf},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}