<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>8853</REFNUM><AUTHORS><AUTHOR>Macdonald,C.</AUTHOR><AUTHOR>He,B.</AUTHOR><AUTHOR>Ounis,I.</AUTHOR><AUTHOR>Soboroff,I.</AUTHOR></AUTHORS><YEAR>2008</YEAR><TITLE>Limits of Opinion-Finding Baseline Systems</TITLE><PLACE_PUBLISHED>In Proceedings of the 31st Annual International ACM SIGIR Conference (SIGIR 2008), 20-24 July 2008, Singapore</PLACE_PUBLISHED><PUBLISHER>ACM</PUBLISHER><LABEL>Macdonald:2008:8853</LABEL><KEYWORDS><KEYWORD>Opinion Finding; Opinion detection features; Performance improvements</KEYWORD></KEYWORDS</RECORD></RECORDS></XML>