<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>6876</REFNUM><AUTHORS><AUTHOR>Robertson,S.E.</AUTHOR><AUTHOR>Porter,M.F.</AUTHOR><AUTHOR>van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>1981</YEAR><TITLE>Probabilistic models of indexing and searching</TITLE><PLACE_PUBLISHED>Proceedings of Joint BCS/ACM Conference on Information Retrieval, Cambridge </PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><PAGES>35-56</PAGES><LABEL>Robertson:1981:6876</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>