@inproceedings{DBLP:conf/sum/LukasiewiczS07,
  title = "Top-k Retrieval in Description Logic Programs Under Vagueness for the Semantic Web",
  author = "Thomas Lukasiewicz and Umberto Straccia",
  year = "2007",
  booktitle = "Proceedings of the 1st International Conference on Scalable Uncertainty Management, SUM 2007, Washington, DC, USA, October 10-12, 2007",
  editor = "Henri Prade and V. S. Subrahmanian",
  isbn = "978-3-540-75407-7",
  pages = "16-30",
  publisher = "Springer",
  series = "Lecture Notes in Computer Science",
  url = "http://dx.doi.org/10.1007/978-3-540-75410-7_2",
  volume = "4772",
}