@inproceedings{posteroaei2011,
  title = "Towards more challenging problems for ontology matching tools",
  author = "Jim{\'e}nez-Ruiz, E. and Cuenca Grau, B.",
  year = "2011",
  booktitle = "Proc. of the 6th International Workshop on Ontology Matching (OM)",
  publisher = "CEUR Workshop Proceedings (CEUR-WS.org)",
  url = "http://ceur-ws.org/Vol-814/",
  volume = "814",
}