@InProceedings{liminshen2007ataimfodtc,
 author = {Limin Shen and Shangping Ren and Feng Li},
  title = {A Time and Interaction Model for Open Distributed Timing Computation},
  booktitle =  {Proceedings of the 7th International Conference on Algorithms and Architectures for Parallel Processing},
 year = {2007},
 pages = {83--94},
 }