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Conclusions

• Methods:
  • Blackboards.
  • Modeling and accessing information servers (active modules).
  • A simple distributed LP/CLP language using ``worker teams''.
  • Implementing distributed variable-based communication using attributed variables.
• Several useful concurrency and parallelism operators
• Attributed variables can be used for distributed communications
• All implementation can be done at source (Prolog) level
• Native support for concurrency in the underlying system can be very useful (e.g., in the CIAO run-time system, the &-Prolog abstract machine is used; similarly in BinProlog).
• AVs are very useful.
• Code provided as public domain standard libraries ( http://www.clip.dia.fi.upm.es)