Patent ID: 7197474
Filing Date: 2007-03-27
Classification: G06Q

Abstract:
1. A computer-implemented method of improving profitability of a store based on knowledge of purchasing interactions between a plurality of items sold within said store over a period of time, comprising: in the computer, correlating price-quantity interactions between each pair of items of said plurality of items based on transaction data collected from one or more sources; determining top positive and negative correlated items based on said price-quantity interactions; calculating weighing factors for said top positive and negative correlated items; generating a first matrix for said price-quantity interactions by placing into said first matrix said weighing factors for said top positive and negative correlated items and assigning zeros for rest of said plurality of items in said first matrix; and determining a demand for quantities for one or more items utilizing said first matrix, wherein the step of correlating price-quantity interactions comprises generating correlation factors for said plurality of items, wherein each of said correlation factors represents a correlation between a price change of a first item and a change in quantity of a second item, and wherein each of said correlation factors Corr where said period of time is represented by t from 1 to N;