@article{webannotationasafirstclassobject,
  title = {Web Annotation as a First Class Object},
  author = {Paolo Ciccarese and Stian Soiland-Reyes and Tim Clark},
  year = {2013},
  eprint = {1310.6555},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1310.6555v3},
}