@TechReport{Retriever_Improving_Web_Search_Engine_Results_Using_Clustering,
  author = "Zhihua  Jiang and Anupam  Joshi and Raghu  Krishnapuram and Liyu  Yi",
  title = "{Retriever: Improving Web Search Engine Results Using Clustering}",
  month = "October",
  year = "2000",
  institution = "University of Maryland Baltimore County",
}