Patent ID: 9047501
Filing Date: 2015-06-02
Classification: G06K,G06Q

Abstract:
1. A risk tag detector server for detecting risk tags, the risk tags being tags which are likely to be faulty, the risk tag detector server comprising: a tag manager interface configured to obtain a tag list comprising at least two tags to evaluate; a tag selector configured to select a candidate tag to evaluate from the tag list; a tag event interface configured to obtain event data of tag usage for the candidate tag; and a fault detector, wherein the fault detector is configured to determine whether the candidate tag is a risk tag by performing at least the following step: determining that the candidate tag is no longer affixed to an article to which the tag was previously affixed, wherein determining that the candidate tag is no longer affixed to the article comprises determining that the event data indicates that the tag has been repetitively read by a single terminal.