@InProceedings{okuyama_et_al:DagSemProc.07122.26,
  author =	{Okuyama, Fabio and Bordini, Rafael and Rocha Costa, Ant\^{o}nio Carlos},
  title =	{{Spatially Distributed Normative Objects}},
  booktitle =	{Normative Multi-agent Systems},
  pages =	{1--14},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{7122},
  editor =	{Guido Boella and Leon van der Torre and Harko Verhagen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07122.26},
  URN =		{urn:nbn:de:0030-drops-9030},
  doi =		{10.4230/DagSemProc.07122.26},
  annote =	{Keywords: Multi-Agent Systems, Environment Modelling, Normative Infrastructure}
}