| http://www.w3.org/ns/prov#value | - A method of claims 1 and 15 of a service provider maintaining and updating a database of inventory and prices cross-referenced to product identifying codes such as RFID, UPC, barcodes or other codes and according to the geocoded locations of merchants reporting said inventory and price status; and further cross-referencing said data with the wireless look-up requests from users with wireless devic
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