@techreport{fernandez02survey,
  author = {Fernandez-Lopez, Mariano and Gomez-Perez, Asun and Euzenat, Jerome and Gangemi, Aldo and Kalfoglou, Y. and Pisanelli, D. and Schorlemmer, M. and Steve, G. and Stojanovic, Ljilajana and Stumme, Gerd and Sure, York},
  institution = {Universidad Politecnia de Madrid},
  interhash = {73c63c33ae604c7afad9cd36604f5c84},
  intrahash = {65a9d7650d99f11baa36420527fcedd9},
  privnote = {\url{http://www.aifb.uni-karsruhe.de/WBS/ysu/publications/OntoWeb_Del_1-4.pdf}},
  title = {A survey on methodologies for developing, maintaining, integration, evaluation and
                  reengineering ontologies},
  type = {OntoWeb deliverable},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2002/OntoWeb_Del_1-4.pdf},
  year = 2002
}

@article{seal-ieeecs,
  author = {Maedche, A. and Staab, S. and Studer, R. and Sure, Y. and Volz, R.},
  bb-further-address = {--Dordrecht--London},
  interhash = {c8c266a12d9645e1e27a6f7540d61627},
  intrahash = {9e7afe7e890b05e0926bb16081d9bd13},
  journal = {IEEE-CS Data Engineering Bulletin, Special Issue on Organizingand Discovering the Semantic Web},
  month = {March},
  title = {{SEAL} -- {T}ying up Information Integration and Web Site
Management by Ontologies},
  year = 2002
}