Patent ID: 6496806
Filing Date: 2002-12-17
Classification: G06K,G06Q

Abstract:
A method of tracking each item in a cluster of items, each item having an associated item ID, the method comprising:(a) storing a plurality of item records, the plurality of item records including, for each item in the cluster of items, an associated item record for storing the associated item ID for the item; (b) linking each item record in the plurality of item records to the other item records in the plurality of item records; (c) reading the associated item ID from each item in a threshold number of items in the cluster of items; (d) determining the associated item record for each item in the threshold number of items using the associated item ID from each item read in step (c); and, (e) determining the associated item record for the associated item ID of each item in the cluster and not in the threshold number of items from the item records determined in step (d) using the link established in step (b).