How to update association data between product and position

摘要

The present invention relates to a method for updating association data between merchandise in a retail area and the position of the retail area, wherein the reader has an electronic shelf tag (10, 11, 12). A series of label identifiers including at least two adjacent tag identifiers are acquired, and one of the adjacent electronic shelf tags is an electronic shelf tag to be arranged, and another of the adjacent electronic shelf tags This is an electronic shelf tag whose position is known. The reading device (3) transmits a series of identifiers to the computer system (2). And updating the association data from the series of tag identifiers.