Forming a signature of parameters extracted from information
First Claim
1. A method of forming a classifier, the method comprising:
- providing a first time period, providing a distinct second time period wherein the distinct second time period is consecutive to the first time period, shorter than the first time period, and more recent than the first time period, forming a first signature from data collected during a period based on the first time period, forming a distinct second signature from data collected during a period based on the distinct second time period, training a first neural network based on the first signature and the distinct second signature.
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Accused Products
Abstract
A method of storing information relating to the transmission of messages by an entity over a given time period comprises the step of creating a signature comprising a plurality of parameters related to the transmission of messages over that time period wherein the parameters comprise at least one parameter related to the transmission of messages over a portion of the period and also related to the position of the portion in the period, to enable output data to be derived from the stored information. The signature may be updated by a weighted averaging process with other more recent signatures. Application in fraud detection where signature representing information in many call detail records from a particular subscriber is fed to a neural network.
30 Citations
20 Claims
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1. A method of forming a classifier, the method comprising:
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providing a first time period, providing a distinct second time period wherein the distinct second time period is consecutive to the first time period, shorter than the first time period, and more recent than the first time period, forming a first signature from data collected during a period based on the first time period, forming a distinct second signature from data collected during a period based on the distinct second time period, training a first neural network based on the first signature and the distinct second signature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of classifying data, the method comprising:
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training a first neural network based on the first signature and the distinct second signature, the first signature based on data from a first time period, the distinct second signature based on data from a distinct second time period that is con consecutive to the first time period, shorter than the first time period, and more recent than the first time period, forming a recent signature based on data collected during a recent time period of the same duration as the distinct second time period, and, presenting the recent signature to the first neural network. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification