<XML><RECORDS><RECORD><REFERENCE_TYPE>0</REFERENCE_TYPE><REFNUM>7900</REFNUM><AUTHORS><AUTHOR>Chang,Y.</AUTHOR><AUTHOR>Ounis,I.</AUTHOR><AUTHOR>Kim,M.</AUTHOR></AUTHORS><YEAR>2006</YEAR><TITLE>Query reformulation using automatically generated query concepts from a document space</TITLE><PLACE_PUBLISHED>To appear in Information Processing and Management journal (IPM) </PLACE_PUBLISHED><PUBLISHER>Elsevier Science</PUBLISHER><LABEL>Chang:2006:7900</LABEL><KEYWORDS><KEYWORD>Concept-based information retrieval</KEYWORD></KEYWORDS<ABSTRACT> </ABSTRACT></RECORD></RECORDS></XML>