Patent ID: 8577646
Filing Date: 2013-11-05
Classification: G06Q

Abstract:
1. A user evaluation apparatus, comprising: a failure information storage to store a failure information counting result for a plurality of repaired machines having the same characteristics as a plurality of machines to be measured; a repair rate calculation module configured to calculate repair rate estimated values for the respective repaired machines based on the failure information counting result; a first storage to store the repair rate estimated values; a measurement data receiving module configured to receive measurement data associated with usage statuses of the plurality of machines to be measured; a second storage to store the measurement data; a weight value determination module configured to determine weight values used to cancel differences of the repair rate estimated values among machines respectively for the plurality of machines to be measured; a weight storage to store the weight values respectively for the plurality of machines to be measured; a parameter determination module configured to determine parameters of a user evaluation model required to calculate a degree of usage influence so as to maximize a target function, wherein the target function is defined using the weight values, the measurement data, and the failure information counting result; a fourth storage to store the parameters of the user evaluation model; a user evaluation module configured to calculate the degree of usage influence using the measurement data and the parameters of the user evaluation model; and a processing module configured to display the degree of usage influence.