@InProceedings{vidal98c,
  author =	 {Jos\'{e} M. Vidal and Tracy Mullen and Peter
                  Weinstein and Edmund H. Durfee},
  title =	 {The {UMDL} Service Market Society},
  booktitle =	 {Proceedings of the Second International Conference on
                  Autonomous Agents},
  year =	 1998,
  url = 	 {http://www.acm.org/pubs/articles/proceedings/ai/280765/p475-vidal/p475-vidal.pdf},
  googleid = 	 {53PPNj7LOhQJ:scholar.google.com/},
  keywords = 	 {sweb},
  cluster = 	 {9013138325524508225}
}