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    • 1. 发明授权
    • Anonymization device
    • 匿名设备
    • US09076010B2
    • 2015-07-07
    • US13824609
    • 2011-11-15
    • Yuki ToyodaNaoko Ito
    • Yuki ToyodaNaoko Ito
    • G06F17/00H04L29/06G06F7/00G06F17/30G06F21/62G06Q10/00
    • G06F21/62G06F21/6254G06Q10/00H04L2209/42
    • The present invention enables comparison of the number of data items between groups. The anonymization device according to the present invention refers to a user information storage unit storing data items including user information, detects a singularity group that does not satisfy a predetermined anonymity metrics when the data items corresponding to a plurality of users are grouped based on the user information, selects an acquired data item from each group based on a predetermined rule corresponding to the anonymity metrics, such that all groups satisfy the anonymity metrics when a data item is acquired from each of the groups other than the singularity group and the user information is generalized into the same value together with a data item of the singularity group, generates an anonymized data item by generalizing the user information of the data item of the singularity group and the acquired data items into the same value, and stores the generated anonymized data items in an anonymized user information storage unit, together with a data item of each group other than the singularity group, with this data item being other than the acquired data items.
    • 本发明能够比较组之间的数据项的数量。 根据本发明的匿名设备是指存储包括用户信息的数据项的用户信息存储单元,当基于用户对与多个用户对应的数据项进行分组时,检测不满足预定匿名度量的奇点组 信息,基于与匿名度量相对应的预定规则从每个组中选择获取的数据项,使得当从除奇异组之外的每个组中获取数据项时,所有组都满足匿名度量,并且用户信息是 与单数组的数据项一起广义为相同的值,通过将奇点组的数据项和所获取的数据项的用户信息推广到相同的值来生成匿名数据项,并存储生成的匿名数据项 在匿名用户信息存储单元中,连同每个组的数据项 r比单数组,该数据项不同于获取的数据项。
    • 2. 发明申请
    • ANONYMIZATION DEVICE
    • 自动化设备
    • US20140380498A1
    • 2014-12-25
    • US13824609
    • 2011-11-15
    • Yuki ToyodaNaoko Ito
    • Yuki ToyodaNaoko Ito
    • G06F21/62
    • G06F21/62G06F21/6254G06Q10/00H04L2209/42
    • The present invention enables comparison of the number of data items between groups. The anonymization device according to the present invention refers to a user information storage unit storing data items including user information, detects a singularity group that does not satisfy a predetermined anonymity metrics when the data items corresponding to a plurality of users are grouped based on the user information, selects an acquired data item from each group based on a predetermined rule corresponding to the anonymity metrics, such that all groups satisfy the anonymity metrics when a data item is acquired from each of the groups other than the singularity group and the user information is generalized into the same value together with a data item of the singularity group, generates an anonymized data item by generalizing the user information of the data item of the singularity group and the acquired data items into the same value, and stores the generated anonymized data items in an anonymized user information storage unit, together with a data item of each group other than the singularity group, with this data item being other than the acquired data items.
    • 本发明能够比较组之间的数据项的数量。 根据本发明的匿名设备是指存储包括用户信息的数据项的用户信息存储单元,当基于用户对与多个用户对应的数据项进行分组时,检测不满足预定匿名度量的奇点组 信息,基于与匿名度量相对应的预定规则从每个组中选择获取的数据项,使得当从除奇异组之外的每个组中获取数据项时,所有组都满足匿名度量,并且用户信息是 与单数组的数据项一起广义为相同的值,通过将奇点组的数据项和所获取的数据项的用户信息推广到相同的值来生成匿名数据项,并存储生成的匿名数据项 在匿名用户信息存储单元中,连同每个组的数据项 r比单数组,该数据项不同于获取的数据项。
    • 3. 发明申请
    • ANONYMIZING APPARATUS AND ANONYMIZING METHOD
    • 无损检测装置和无损检测方法
    • US20130291128A1
    • 2013-10-31
    • US13824522
    • 2011-09-09
    • Naoko ItoYuki Toyoda
    • Naoko ItoYuki Toyoda
    • G06F21/62
    • G06F21/6254
    • It is an object of the present invention to enable appropriate generalization of attribute information even when data sets are likely to be repeatedly provided and attribute information of a data entry added later substantially deviates from a range of values of attribute information of a known data entry. For each data entry of a data set having a plurality of data entries each including at least one attribute data forming a quasi-identifier, which is information that can identify an individual, and at least one attribute data other than the quasi-identifier, a value of the at least one attribute data forming the quasi-identifier is generalized on the basis of a predetermined generalization rule. Among the plurality of data entries included in the data set, a data entry which, when generalized on the basis of the generalization rule, becomes a factor for the data set to fail to satisfy a predetermined standard of anonymity is selected, and at least one data entry of which generalization target attribute data has a value that is common to that data entry to thereby enable the data set to satisfy the predetermined standard of anonymity is also selected. For the selected data entries, the value of the generalization target attribute data is changed to a predetermined common value irrespective of the predetermined generalization rule.
    • 本发明的一个目的是即使当可能重复提供数据集并且随后添加的数据条目的属性信息基本上偏离已知数据条目的属性信息的值的范围时,也能适当地概括属性信息。 对于具有多个数据条目的数据集的每个数据条目,每个数据条目包括形成准标识符的至少一个属性数据,其是可以识别个人的信息,以及除准标识符之外的至少一个属性数据, 基于预定的泛化规则来概括形成准标识符的至少一个属性数据的值。 在包括在数据集中的多个数据条目中,选择当基于泛化规则进行泛化时成为数据集不能满足预定的匿名标准的因素的数据条目,并且至少一个 还选择其广义化目标属性数据具有与该数据条目相同的值从而使数据集满足预定的匿名标准的数据输入。 对于所选择的数据条目,广义化目标属性数据的值被改变为预定的公共值,而与预定的泛化规则无关。