<XML><RECORDS><RECORD><REFERENCE_TYPE>0</REFERENCE_TYPE><REFNUM>5623</REFNUM><AUTHORS><AUTHOR>Van Rijsbergen,C.J.</AUTHOR><AUTHOR>Crestani,F.</AUTHOR></AUTHORS><YEAR>1997</YEAR><TITLE>A model for adaptive information retrieval</TITLE><PLACE_PUBLISHED>Journal of Intelligent Information Systems, volume 8 </PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><PAGES>29-56</PAGES><LABEL>Van Rijsbergen:1997:5623</LABEL><ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>