## References

1
  Grace Crowder and Charles Nicholas. Resource selection in CAFE: An architecture for network information retrieval. In Proceedings of the Network Information Retrieval Workshop, SIGIR 96, August 1996.

2
  Robert Gray. Agent Tcl: A flexible and secure mobile-agent system. In The Fourth Annual Tcl/Tk Workshop Proceedings. The USENIX Association, 1996.

3
  Dag Johansen, Robbert van Renesse, and Fred B. Schneider. An introduction to the TACOMA distributed system. Technical report, University of Tromso, June 1995.

4
  Yannis Labrou. Semantics for an Agent Communication Language. PhD thesis, University of Maryland Baltimore County, 1996.

5
  Peter Liu, Brian C. Smith, and Lawrence A. Rowe. Tcl-DP name server. In Proceedings of the 1995 Tcl/Tk Workshop. The USENIX Association, July 1995.

6
  James Mayfield, Yannis Labrou, and Tim Finin. Evaluation of KQML as an agent communication language. In J. P. Woolridge and M. Tambe, editors, Intelligent Agents Volume II - Proceedings of the 1995 Workshop on Agent Theories, Architectures and Languages, Lecture Notes in Artificial Intelligence. Springer-Verlag, 1996.

7
  Ramesh S. Patil, Richard E. Fikes, Peter F. Patel-Schneider, Don Mckay, Tim Finin, Thomas Gruber, and Robert Neches. The DARPA knowledge sharing effort: Progress report. In Charles Rich Bernhard Nebel and William Swartout, editors, Principles of Knowledge Representation and Reasoning: Proceedings of the Third International Conference (KR92). Morgan Kaufman, 1992.

8
  Claudia Pearce and Charles Nicholas. TELLTALE: Experiments in a dynamic hypertext environment for degraded and multilingual data. Journal of the American Society for Information Science, April 1996.

9
  Brian C. Smith, Lawrence A. Rowe, and Stephen C. Yen. Tcl distributed programming. In Proceedings of the 1993 Tcl/Tk Workshop. The USENIX Association, June 1993.

10
  Ian H. Witten, Alistair Moffat, and Timothy C. Bell. Managing Gigabytes: Compressing and Indexing Documents and Images. Van Nostrand Reinhold, 1994.