@incollection{Voelker2008,
  author = {V\"{o}lker, J. and Haase, P. and Hitzler, P.},
  booktitle = {Ontology Learning and Population: Bridging the Gap between Text and 	Knowledge},
  interhash = {cf638e52ae5c4f9af9d35d8faee72c16},
  intrahash = {f80af45b8659db1a4327a5ce1df3f267},
  owner = {blev},
  publisher = {IOS Press},
  series = {Frontiers in Artificial Intelligence and Applications},
  timestamp = {2009.02.22},
  title = {Learning Expressive Ontologies},
  year = 2008
}