@inproceedings{DBLP:conf/semweb/GrauPS04,
  title = "Working with Multiple Ontologies on the Semantic Web.",
  author = "Bernardo {Cuenca Grau} and Bijan Parsia and Evren Sirin",
  year = "2004",
  booktitle = "International Semantic Web Conference",
  pages = "620-634",
  publisher = "Springer",
  series = "Lecture Notes in Computer Science",
  url = "http://www.comlab.ox.ac.uk/people/bernardo.cuenca.grau/publications/multipleOnt.pdf",
  volume = "3298",
}