<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>8732</REFNUM><AUTHORS><AUTHOR>Macdonald,C.</AUTHOR><AUTHOR>Ounis,I.</AUTHOR><AUTHOR>Soboroff,I.</AUTHOR></AUTHORS><YEAR>2007</YEAR><TITLE>Overview of the TREC-2007 Blog Track</TITLE><PLACE_PUBLISHED>In Proceedings of the Sixteenth Text REtrieval Conference (TREC 2007), Gaithersburg, Maryland, November, 2007.</PLACE_PUBLISHED><PUBLISHER>National Institute of Standards and Technology</PUBLISHER><LABEL>Macdonald:2007:8732</LABEL><KEYWORDS><KEYWORD>Blogs; opinion retrieval; feed distillation; opinion polarity detection; feed search</KEYWORD></KEYWORDS</RECORD></RECORDS></XML>