(19)
(11) EP 1 388 093 A1

(12)

(43) Date of publication:
11.02.2004 Bulletin 2004/07

(21) Application number: 02727845.6

(22) Date of filing: 07.05.2002
(51) International Patent Classification (IPC)7: G06F 17/30
(86) International application number:
PCT/IB2002/001551
(87) International publication number:
WO 2002/093422 (21.11.2002 Gazette 2002/47)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 15.05.2001 US 854635
13.09.2001 US 950773

(71) Applicants:
  • Nokia Corporation
    02150 Espoo (FI)
  • Nokia Inc.
    Irving, TX 75039 (US)

(72) Inventors:
  • SALMENKAITA, Jukka-Pekka
    FIN-00270 Helsinki (FI)
  • SORVARI, Antti
    FIN-01100 Itäsalmi (FI)

(74) Representative: Becker Kurig Straus 
PatentanwälteBavariastrasse 7
80336 München
80336 München (DE)

   


(54) METHOD AND BUSINESS PROCESS TO MAINTAIN PRIVACY IN DISTRIBUTED RECOMMENDATION SYSTEMS