Warning - the bibtex entry below may be invalid: 
Missing 'booktitle' field 
@inproceedings{Induruwa-Fernando_and_Simpson_2008,
  author = "S. Induruwa-Fernando and A. C. Simpson, Proceedings of WS-FM 2008",
  title = "Towards a formal framework for workflow interoperability",
  year = "2008",
}