(19)

(11)

EP 2 193 441 A2

(12)

(88) Date of publication A3: 18.06.2009 (43) Date of publication: 09.06.2010 Bulletin 2010/23 (21) Application number: 08786903.8 (22) Date of filing: 05.08.2008

(51) International Patent Classification (IPC):  G06F 9/445(2006.01) G06F 9/50(2006.01) G06F 9/46(2006.01) (86) International application number: PCT/EP2008/060295 (87) International publication number: WO 2009/040171 (02.04.2009 Gazette 2009/14)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 28.09.2007 EP 07117512 (71) Applicant: International Business Machines Corporation Armonk, NY 10504 (US)	(72) Inventors: MOSSOTTO, Franco I-00166 Roma (IT) DI BALSAMO, Arcangelo I-04011 Aprilia (IT) IANNUCCI, Pietro I-00152 Roma (IT) PASCERI, Francesca I-00012 Guidonia (IT) (74) Representative: Bell, Mark  Compagnie IBM France Département de Propriété Intellectuelle Le Plan du Bois 06610 La Gaude 06610 La Gaude (FR)