@Book{ACLMain:2008,
  editor    = {Johanna D. Moore  and  Simone Teufel  and  James Allan  and  Sadaoki Furui},
  title     = {Proceedings of ACL-08: HLT},
  month     = {June},
  year      = {2008},
  address   = {Columbus, Ohio},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/P/P08/P08-1}
}