@inproceedings{nikitina2009robpc,
  title = "Refining Ontologies by Pattern-Based Completion",
  author = "Nadeschda Nikitina and Sebastian Rudolph and Sebastian Blohm",
  year = "2009",
  booktitle = "Proceedings of the Workshop on Ontology Patterns (WOP2009)",
  month = "10",
  publisher = "CEUR",
}