INFORMATION CLASSIFICATION SYSTEM
First Claim
1. An information classification system, comprising:
- a classified information storing unit for storing classified information having already been classified into a certain group and group specification information for specifying the group, in association with each other; and
a confidence calculating unit for calculating confidence having a value depending on a probability that a group which is specified based on unclassified information as a target to be classified and classified information selected as reference information from among the stored classified information and into which the unclassified information should be classified is a true group.
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Abstract
An information classification system 100 includes: a classified information storing part 101 for storing classified information having already been classified into a certain group and group specification information for specifying the group, in association with each other; and a confidence calculating part 102 for calculating confidence having a value depending on a probability that a group which is specified based on unclassified information as a target to be classified and classified information selected as reference information from among the stored classified information and into which the unclassified information should be classified is a true group.
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Citations
20 Claims
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1. An information classification system, comprising:
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a classified information storing unit for storing classified information having already been classified into a certain group and group specification information for specifying the group, in association with each other; and a confidence calculating unit for calculating confidence having a value depending on a probability that a group which is specified based on unclassified information as a target to be classified and classified information selected as reference information from among the stored classified information and into which the unclassified information should be classified is a true group. - View Dependent Claims (2, 3, 4, 5, 6, 7, 11, 12, 17, 18, 19, 20)
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8. An information classification method, comprising calculating confidence having a value depending on a probability that a group into which unclassified information as a target to be classified should be classified is a true group, the group being specified based on the unclassified information and based on classified information selected as reference information from among classified information stored in a storage device for storing classified information having already been classified into a certain group and group specification information for specifying the group in association with each other.
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9. An information classification device, comprising:
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a classified information storing unit for storing classified information having already been classified into a certain group and group specification information for specifying the group, in association with each other; and a confidence calculating unit for calculating confidence having a value depending on a probability that a group which is specified based on unclassified information as a target to be classified and classified information selected as reference information from among the stored classified information and into which the unclassified information should be classified is a true group. - View Dependent Claims (16)
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10. (canceled)
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13. The information classification method according to Supplementary Note 8, comprising:
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with respect to each classified information of the stored classified information, judging whether a first group and a second group match each other, the first group being a group which is specified based on the each classified information as judgment target information and based on classified information selected as a reference information candidate from among the stored classified information and into which the judgment target information should be classified, and the second group being a group specified based on the group specification information stored in association with the judgment target information; and calculating static confidence as one of the confidence based on a matching number as a number of judgment target information that the first group and the second group match each other.
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14. The information classification method according to Supplementary Note 8, comprising:
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with respect to each group specification information of group specification information different from each other among the stored group specification information, calculating a divergence representing a degree of divergence between the reference information selected for the each group specification information and the unclassified information; and calculating dynamic confidence as one of the confidence based on the calculated divergence.
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15. The information classification device according to Supplementary Note 9, wherein the confidence calculating unit is configured to:
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with respect to each classified information of the stored classified information, judge whether a first group and a second group match each other, the first group being a group which is specified based on the each classified information as judgment target information and based on classified information selected as a reference information candidate from among the stored classified information and into which the judgment target information should be classified, and the second group being a group specified based on the group specification information stored in association with the judgment target information; and calculate static confidence as one of the confidence based on a matching number as a number of judgment target information that the first group and the second group match each other.
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Specification