Pier-Luigi Spinosa Gerardo Giardiello Manola Cherubini Simone Marchi Giulia Venturi Simonetta Montemagni NLP-based metadata extraction for legal text consolidation. 40-49 2009 ICAIL http://doi.acm.org/10.1145/1568234.1568240 conf/icail/2009 db/conf/icail/icail2009.html#SpinosaGCMVM09