(19)

(11)

EP 1 704 482 A2

(12)

(88) Date of publication A3: 16.02.2006 (43) Date of publication: 27.09.2006 Bulletin 2006/39 (21) Application number: 04804993.6 (22) Date of filing: 22.12.2004

(51) International Patent Classification (IPC):  G06F 11/32(2006.01) (86) International application number: PCT/EP2004/053660 (87) International publication number: WO 2005/069144 (28.07.2005 Gazette 2005/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 08.01.2004 US 753545 08.01.2004 US 753250 (71) Applicant: International Business Machines Corporation Armonk, N.Y. 10504 (US)	(72) Inventors: CHILDRESS, Rhonda Austin, Texas 78717 (US) KUMHYR, David, Bruce Austin, Texas 78737 (US) PENNELL, Neil, Raymond Cedar Creek, Texas 78612 (US) (74) Representative: Litherland, David Peter  IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester, Hampshire SO21 2JN Winchester, Hampshire SO21 2JN (GB)