Maintaining the currency of availability information for...

Details Maintaining the currency of availability information for... Maintaining the currency of availability information for...

2006-01-24

2006-01-24

Rones, C (Department: 2165)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000

Reexamination Certificate

active

06990488

ABSTRACT:
A facility for determining availability status for item groups each containing one or more items is described. For each item whose availability status changes, for each item group containing the item, the facility adds the item group to a list of item groups if the item group is not already present in the list. The facility periodically removes a plurality of item groups from the list. For each item group it removes from the list, the facility determines an availability status for the item group based upon availability statuses of items contained in the group.

REFERENCES:
patent: 5239480 (1993-08-01), Huegel
patent: 5930761 (1999-07-01), O'Toole
patent: 2002/0010659 (2002-01-01), Cruse et al.
patent: 2002/0042756 (2002-04-01), Kumar et al.
patent: 2002/0077919 (2002-06-01), Lin et al.
patent: 2002/0077929 (2002-06-01), Knorr et al.

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