(19)

(11)

EP 2 661 691 A1

(12)

(43) Date of publication: 13.11.2013 Bulletin 2013/46 (21) Application number: 12731917.6 (22) Date of filing: 03.01.2012

(51) International Patent Classification (IPC):  G06F 11/00(2006.01) (86) International application number: PCT/US2012/020055 (87) International publication number: WO 2012/094303 (12.07.2012 Gazette 2012/28)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 05.01.2011 CN 201110001297 (71) Applicant: Alibaba Group Holding Limited Grand Cayman (KY)	(72) Inventors: CHEN, Weicai 310013 (CN) CHEN, Bo 310013 (CN) KONG, Hua 310013 (CN) (74) Representative: Wilson, Alan Stuart  Barker Brettell LLP Medina Chambers Town Quay Southampton SO14 2AQ Southampton SO14 2AQ (GB)