@InProceedings{Xing-Grid2007,
      AUTHOR = {Xing, Wei and Corcho, Oscar and Goble, Carole and Dikaiakos, Marios},
      TITLE = {ActOn: A Semantic Information Service for EGEE},
      YEAR = {2007},
      BOOKTITLE = {Proceedings of the 8th IEEE/ACM International Conference on Grid Computing (Grid 2007)},
      PAGES = {81-88},
      NOTE = {Also published as the CoreGRID Technical Report TR-0111}
}