<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>6217</REFNUM><AUTHORS><AUTHOR>Ruthven,I.</AUTHOR><AUTHOR>Lalmas,M.</AUTHOR><AUTHOR>van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>2001</YEAR><TITLE>Empirical investigations on query modification using abductive explanations</TITLE><PLACE_PUBLISHED>Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, New Orleans</PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><LABEL>Ruthven:2001:6217</LABEL></RECORD></RECORDS></XML>