(19)
(11) EP 1 192 561 A1

(12)

(43) Date of publication:
03.04.2002 Bulletin 2002/14

(21) Application number: 00904610.3

(22) Date of filing: 28.01.2000
(51) International Patent Classification (IPC)7G06F 17/30
(86) International application number:
PCT/US0002/139
(87) International publication number:
WO 0045/304 (03.08.2000 Gazette 2000/31)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 29.01.1999 US 117909 P

(71) Applicant: Excelon Corporation
Burlington, MA 01803 (US)

(72) Inventors:
  • BACON, Stephanos,Object Design, Inc.
    Burlington, MA 01803 (US)
  • FEIN, Peter,Object Design, Inc.
    Burlington, MA 01803 (US)
  • RABIN, Paul,Object Design, Inc.
    Burlington, MA 01803 (US)
  • RESNICK, Michael, L.,Object Design, Inc.
    Burlington, MA 01803 (US)
  • WEINREB, Daniel,Object Design, Inc.
    Burlington, MA 01803 (US)

(74) Representative: Brophy, David et al
F.R. Kelly & Co.27 Clyde RoadBallsbridge
Dublin 4
Dublin 4 (IE)

   


(54) DATABASE MANAGEMENT SYSTEM WITH CAPABILITY OF FINE-GRAINED INDEXING AND QUERYING