<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>6871</REFNUM><AUTHORS><AUTHOR>van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>1983</YEAR><TITLE>A discrimination gain hypothesis</TITLE><PLACE_PUBLISHED> Proceedings of the 6th Annual ACM SIGIR Conference </PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><PAGES>101-105</PAGES><LABEL>van Rijsbergen:1983:6871</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>