<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>7422</REFNUM><AUTHORS><AUTHOR>Azzopardi,L.</AUTHOR><AUTHOR>Girolami,M.</AUTHOR><AUTHOR>van Rijsbergen,C.J.</AUTHOR></AUTHORS><YEAR>2003</YEAR><TITLE>Investigating the Relationship between Language Model Perplexity and IR Precision-Recall Measures</TITLE><PLACE_PUBLISHED>26th ACM Conference on Research and Development in Ingormation Retrieval, SIGIR</PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><PAGES>369-370</PAGES><LABEL>Azzopardi:2003:7422</LABEL></RECORD></RECORDS></XML>