@article{StedeHuang2012,
  author    = {Manfred Stede and Chu-Ren Huang},
  title     = {Inter-operability and reusability the science of annotation},
  journal   = {Language resources and evaluation},
  volume    = {46},
  number    = {1},
  pages     = {91 -- 94},
  doi       = {10.1007/s10579-011-9164-x},
  year      = {2012},
}