(19)
(11) EP 1 090 362 A1

(12)

(43) Date of publication:
11.04.2001 Bulletin 2001/15

(21) Application number: 99914207.8

(22) Date of filing: 29.03.1999
(51) International Patent Classification (IPC)7: G06F 17/30
(86) International application number:
PCT/US9906/717
(87) International publication number:
WO 9962/007 (02.12.1999 Gazette 1999/48)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 22.05.1998 US 83906
22.05.1998 US 86410 P

(71) Applicant: MICROSOFT CORPORATION
Redmond,Washington 98052-6399 (US)

(72) Inventors:
  • FAYYAD, Usama
    Mercer Island, WA 98040 (US)
  • BRADLEY, Paul S.
    Seattle, WA 98112 (US)
  • REINA, Cory
    Kirkland, WA 98034 (US)

(74) Representative: Grünecker, Kinkeldey, Stockmair & SchwanhäusserAnwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) A SCALABLE SYSTEM FOR CLUSTERING OF LARGE DATABASES HAVING MIXED DATA ATTRIBUTES