A method for identifying and tracking an inventory item is provided. The method includes using two or more sensors to produce two or more outputs associated with an inventory item, including at least one of a possible identifier for the inventory item and a possible event type indicating whether the inventory item has been taken from a shelf or placed onto a shelf. The method further includes generating confidence levels for the inventory item, wherein each respective confidence level is based on a subset of one or more outputs, and identifying, based on the confidence levels, a prediction for the inventory item including at least one of a predicted identifier for the inventory item and a predicted event type for the inventory item. The method further includes modifying a planogram of a shopping store based on the prediction for the inventory item.