<XML><RECORDS><RECORD><REFERENCE_TYPE>0</REFERENCE_TYPE><REFNUM>6872</REFNUM><AUTHORS><AUTHOR>Smeaton,A.F.</AUTHOR><AUTHOR>van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>1983</YEAR><TITLE>The retrieval effects of query expansion on a feedback document retrieval system</TITLE><PLACE_PUBLISHED> Computer Journal, 26 </PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><PAGES>239-246</PAGES><LABEL>Smeaton:1983:6872</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>