<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>6874</REFNUM><AUTHORS><AUTHOR>Smeaton,A.F.</AUTHOR><AUTHOR>van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>1981</YEAR><TITLE>The nearest neighbour problem in information retrieval: An algorithm using upper bounds.</TITLE><PLACE_PUBLISHED> Proceedings of the 4th International Conference on Information Storage and Retrieval, Oakland, California </PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><PAGES>83-87</PAGES><LABEL>Smeaton:1981:6874</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>