Abstract: Indoor positioning information provide location detail records (LDRs), which are visualized on a map to show a shopper's path through a given store. However, LDR often provides an incomplete picture of a shopper's true journey through a store. Thus, gaps in LDR data are augmented, or filled in, using a routing engine based on point of sale (POS) transaction data to connect the last known position from the first event to first known position from second event, and so on for all the LDR records. If the last LDR doesn't end at the checkout or exit, a final route to a checkout stand used is appended to the last LDR sequence signifying the end of the shopping journey. Dwells are determined based on position data from the LDRs of selected shoppers over a selected period of time. There might not be POS data, but if there is, the LDR data is augmented with positions as determined by the location of each product purchased—filling in all gaps with a routing service.