<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>9203</REFNUM><AUTHORS><AUTHOR>Konstas,I.</AUTHOR><AUTHOR>Stathopoulos,V.</AUTHOR><AUTHOR>Jose,J.M.</AUTHOR></AUTHORS><YEAR>2009</YEAR><TITLE>On Social Networks and Collaborative Recommendation</TITLE><PLACE_PUBLISHED>32nd Annual ACM SIGIR conference</PLACE_PUBLISHED><PUBLISHER>ACM</PUBLISHER><LABEL>Konstas:2009:9203</LABEL></RECORD></RECORDS></XML>