@conference{771186,
  author = {Ian Soboroff and S Robertson},
  title = {Building a Filtering Tst Collection for TREC 2002},
  year = {2003},
  month = {2003-07-01 00:07:00},
  publisher = {Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development inInformation Retrieval, , MX},
  language = {en},
}