@article{Staab-etal2001,
  author	= {Staab, S. and Erdmann, M. and Maedche, A.},
  title		= {Ontologies in RDF(S)},
  journal	= {ETAI Journal (Linkoeping Electronic Articles in Computer and Information Science) -- Section on Semantic Web},
  year		= {2001},
  volume	= {9},
  number	= {6}
}