Fecha de publicación: 17/09/2021 Fuente: Wipo "BigData" The invention is product sourcing in retail by using big data technology. Big data analyses product sourcing with back-ordered items in the past. Big data enabled product sourcing analyses purchase history, marketing, lead times, and other factors such as promotions and weather to create accurate demand forecasts. Tying this into supply chain data, retailers can ensure they always have the products their customers demand.