AUTO-CALIBRATION FOR ROAD TRAFFIC PREDICTION
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Abstract
A method for auto-calibrating parameters in traffic prediction. The method includes determining a first subnet of traffic links that is associated with a plurality of traffic links in a traffic network. The method includes determining a second subnet of traffic links that is associated with the first subnet of traffic links and has a first traffic predicting accuracy value. The method includes generating a set of optimized traffic predicting parameters associated with the second subnet of traffic links, and applying the set of optimized traffic parameters onto a third subnet of traffic links. The method includes determining the set of optimized traffic predicting parameters used to calculate prediction results having a second traffic predicting accuracy value, and applying said set of optimized traffic predicting parameters to subnets associated with the traffic network. Further, the first traffic predicting accuracy value is lower than the second traffic predicting accuracy value.
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Citations
18 Claims
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1-6. -6. (canceled)
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7. A computer program product for auto-calibrating parameters in traffic prediction, the computer program product comprising:
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a computer readable storage medium and program instructions stored on the computer readable storage medium, the program instructions comprising; program instructions to determine a first subnet of traffic links having an association with a plurality of traffic links in a traffic network; program instructions to determine a second subnet of traffic links that is associated with the first subnet of traffic links, wherein the second subnet of traffic links has a first traffic predicting accuracy value; program instructions to generate a set of optimized traffic predicting parameters associated with the second subnet of traffic links; program instructions to apply the set of optimized traffic predicting parameters onto a third subnet of traffic links; program instructions to determine the set of optimized traffic predicting parameters used to calculate prediction results having a second traffic predicting accuracy value; and program instructions to apply the set of optimized traffic predicting parameters used to calculate prediction results associated with the second traffic predicting accuracy to subnets associated with the traffic network, wherein the first traffic predicting accuracy value is lower than the second traffic predicting accuracy value. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A computer system for auto-calibrating parameters in traffic prediction, the computer system comprising:
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one or more computer processors; one or more computer readable storage media; program instructions stored on the one or more computer readable storage media for execution by at least one of the one or more processors, the program instructions comprising; program instructions to determine a first subnet of traffic links having an association with a plurality of traffic links in a traffic network; program instructions to determine a second subnet of traffic links that is associated with the first subnet of traffic links, wherein the second subnet of traffic links has a first traffic predicting accuracy value; program instructions to generate a set of optimized traffic predicting parameters associated with the second subnet of traffic links; program instructions to apply the set of optimized traffic predicting parameters onto a third subnet of traffic links; program instructions to determine the set of optimized traffic predicting parameters used to calculate prediction results having a second traffic predicting accuracy value; and program instructions to apply the set of optimized traffic predicting parameters used to calculate prediction results associated with the second traffic predicting accuracy to subnets associated with the traffic network, wherein the first traffic predicting accuracy value is lower than the second traffic predicting accuracy value. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification