Method, apparatus, and computer product for computing credibility
First Claim
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1. A computer-readable recording medium that stores therein a computer program that causes a computer to compute credibility of a certificate that indicates the possibility that the certificate is duly acquired by a person to be certified with the certificate, wherein the computer program causes the computer to execute:
- acquiring attribute information that includes a date of issue of the certificate;
calculating a use duration of the certificate, wherein the use duration is a duration from the date of issue to a current date; and
computing credibility of the certificate based on calculated use duration.
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Abstract
A credibility computing apparatus calculates credibility of a certificate based on use duration of the certificate. The use duration is a duration from the date of issue of the certificate to the current date.
6 Citations
21 Claims
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1. A computer-readable recording medium that stores therein a computer program that causes a computer to compute credibility of a certificate that indicates the possibility that the certificate is duly acquired by a person to be certified with the certificate, wherein the computer program causes the computer to execute:
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acquiring attribute information that includes a date of issue of the certificate; calculating a use duration of the certificate, wherein the use duration is a duration from the date of issue to a current date; and computing credibility of the certificate based on calculated use duration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A credibility computing apparatus that computes credibility of a certificate that indicates the possibility that the certificate is duly acquired by a person to be certified with the certificate, the credibility computing apparatus comprising:
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an information acquiring unit that acquires attribute information that includes a date of issue of the certificate; a use-duration calculating unit that calculates a use duration, wherein the use duration is a duration from the date of issue to a current date; and a credibility computing unit that computes credibility of the certificate based on calculated use duration. - View Dependent Claims (10, 11, 12)
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13. A method of computing credibility of a certificate that indicates the possibility that the certificate is duly acquired by a person to be certified with the certificate, the method comprising:
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acquiring attribute information that includes a date of issue of the certificate; calculating a use duration of the certificate, wherein the use duration is a duration from the date of issue to a current date; and computing credibility of the certificate based on calculated use duration. - View Dependent Claims (14, 15, 16)
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17. A computer-readable recording medium that stores therein a computer program that causes a computer to determine whether to provide a service to a person based on credibility of a certificate presented by the person, wherein the computer program causes the computer to execute:
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computing credibility of the certificate based on a use duration of the certificate, wherein the use duration is a duration from a date of issue of the certificate to a current date; and determining whether to provide any one of the service and contents of the service based on comparison of computed credibility of the certificate and a threshold. - View Dependent Claims (18, 19)
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20. An apparatus for determining whether to provide a service to a person based on credibility of a certificate presented by the person, the apparatus comprising:
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an credibility computing unit that computes credibility of the certificate based on a use duration of the certificate, wherein the use duration is a duration from a date of issue of the certificate to a current date; and a determining unit that determines whether to provide any one of the service and contents of the service based on comparison of computed credibility of the certificate and a threshold.
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21. A method of determining whether to provide a service to a person based on credibility of a certificate presented by the person, the method comprising:
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computing credibility of the certificate based on a use duration of the certificate, wherein the use duration is a duration from a date of issue of the certificate to a current date; and determining whether to provide any one of the service and contents of the service based on comparison of computed credibility of the certificate and a threshold.
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Specification