METHOD AND APPARATUS FOR CALCULATING TO MEASURE INFLUENTIAL POWER OF USERS

摘要

A purchasing influence index calculating server is disclosed in the present invention. The server includes: a purchasing information collection part for collecting purchasing information of a purchaser; and a purchasing influence index calculation part which receives the purchasing information from the purchasing information collection part, and calculates a first index on the basis of purchasing number of a pay product purchased by the purchaser and another purchaser in common and total purchase amount of the pay product, and calculates a second index on the basis of purchasing number of a free product purchased by the purchaser and another purchaser in common, and reflects a contribution weight given according to the contribution of the first index and the second index to the purchase influence respectively on the first index and the second index, and sums the first index and the second index reflected with the weight, and calculates a purchasing influence index of the purchaser.