<XML><RECORDS><RECORD><REFERENCE_TYPE>31</REFERENCE_TYPE><REFNUM>8704</REFNUM><AUTHORS><AUTHOR>Pasi,G.</AUTHOR><AUTHOR>Bordogna,G.</AUTHOR><AUTHOR>Villa,R.</AUTHOR></AUTHORS><YEAR>2006</YEAR><TITLE>The PENG System: Practice and Experience</TITLE><PLACE_PUBLISHED>Workshop on Flexible Database and Information System Technology, DEXA, Krakow, Poland</PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><LABEL>Pasi:2006:8704</LABEL></RECORD></RECORDS></XML>