@Book{bunt:2013:IWCS2013:ISA-9,
  editor    = {Bunt, Harry},
  title     = {Proceedings of the 9th Joint ISO - ACL SIGSEM Workshop on Interoperable Semantic Annotation},
  month     = {March},
  year      = {2013},
  address   = {Potsdam, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {1--6},
  url       = {http://www.aclweb.org/anthology/W13-0500}
}