author = {Wenchao Zhou and Qiong Fei and Shengzhi Sun and Tao Tao and Andreas Haeberlen and Zachary Ives and Boon Thau Loo and Micah Sherr},
  title = {{NetTrails}: A Declarative Platform for Maintaining and Querying Provenance in Distributed Systems},
  booktitle = {Demo; Proceedings of the ACM SIGMOD International Conference on Management of Data (SIGMOD'11)},
  location = {Athens, Greece},
  month = jun,
  year = 2011