Reference:

M. Nickles and G. Weiß. Empirical semantics of agent communication in open systems. In Proceedings of the Second International Workshop on Challenges in Open Agent Environments (Challenge), 2003.

Suggested BibTeX entry:

@inproceedings{NiWe03a,
    author = {M. Nickles and G. Wei{\ss}},
    booktitle = {Proceedings of the Second International Workshop on Challenges in Open Agent Environments (Challenge)},
    title = {Empirical Semantics of Agent Communication in Open Systems},
    year = {2003}
}