PROBLEM TO BE SOLVED: To anonymize travel route data in an effectively usable form, avoiding identification of a person.SOLUTION: A travel route anonymization device includes: route data acquisition means for acquiring a plurality of pieces of travel route data including travel routes and time zones in which travels were carried out; route anonymization means for classifying the plurality of pieces of travel route data on the basis of similarity to travel routes so that the number of pieces of travel route data in the same class is a first threshold or higher, and unifying the pieces of travel route data in the same class to be a representative travel route; time anonymization means for abstracting a time zone in which a travel in the travel route data was carried out so that travels carried out in the same time zone have a second threshold or higher for the travel route data in the same class; and output menas for outputting travel route data processed by the route anonymization means and the time anonymization means.SELECTED DRAWING: Figure 3
【課題】個人の特定を避けつつ有効活用可能な形式で移動経路データを匿名化する。【解決手段】移動経路データ匿名化装置は、移動経路と移動が行われた時間帯とを含む移動経路データを取得する経路データ取得手段と、前記複数の移動経路データを、移動経路の類似度に基づいて同一クラス内の移動経路データ数が第1閾値以上となるようにクラス分けし、同一クラス内の移動経路データの移動経路を代表移動経路に統一する経路匿名化手段と、同一クラス内の移動経路データについて同じ時間帯に行われた移動が第2閾値以上となるように前記移動経路データにおける移動が行われた時間帯を抽象化する時刻匿名化手段と、経路匿名化手段と時刻匿名化手段による処理後の移動経路データを出力する出力手段と、を備える。【選択図】図3
TRAVEL ROUTE DATA ANONYMIZATION DEVICE AND METHOD
移動経路データ匿名化装置および方法
06.10.2016
Patent
Elektronische Ressource
Japanisch
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