JP2023069454A5

JP2023069454A5 -

Info

Publication number: JP2023069454A5
Application number: JP2021181307A
Authority: JP
Filing date: 2021-11-05
Publication date: 2024-03-12
Anticipated expiration: 2041-11-05

Description

本発明の第１の態様によるデータ価値評価演算装置は、複数のデータ利用者のそれぞれに対応するデータ価値の基準が記されたデータ品質基準情報が格納される記憶部と、データ提供者計算機から提供される流通データを前記データ品質基準情報に基づき評価するデータ品質評価部と、を備え、前記流通データには複数のデータ項目が含まれ、前記データ品質評価部は、前記データ項目ごとの情報の新しさである最新性、前記データ項目ごとの情報の確からしさである信憑性、および前記流通データを送付した前記データ提供者計算機を操作するデータ提供者における当該データ項目の確認の度合いに基づき正確性を評価し、前記正確性は数値として算出され、前記データ品質評価部は前記データ項目ごとに、前記正確性に前記流通データを送信した前記データ提供者計算機を操作するデータ提供者の信頼度を示す値を乗じることで蓋然性を算出する。
本発明の第２の態様によるデータ流通システムは、評価及び流通の対象となる流通データを送信するデータ提供者計算機と、前記流通データを評価して評価結果に基づき１または複数のデータ利用者に前記流通データを送信するデータ価値評価演算装置と、を備え、前記データ価値評価演算装置は、複数の前記データ利用者のそれぞれに対応するデータ価値の基準が記されたデータ品質基準情報が格納される記憶部と、前記データ品質基準情報に基づき評価して所定の基準を超えた前記流通データを、当該データ品質基準情報に対応する前記データ利用者に送付するデータ品質評価部と、を備え、前記流通データには複数のデータ項目が含まれ、前記データ品質評価部は、前記データ項目ごとの情報の新しさである最新性、前記データ項目ごとの情報の確からしさである信憑性、および前記流通データを送付した前記データ提供者計算機を操作するデータ提供者における当該データ項目の確認の度合いに基づき正確性を評価し、前記正確性は数値として算出され、前記データ品質評価部は、前記正確性に前記流通データを送信した前記データ提供者計算機を操作するデータ提供者の信頼度を示す値を乗じることで蓋然性を算出する。 A data value evaluation calculation device according to a first aspect of the present invention includes a storage unit storing data quality standard information in which data value standards corresponding to each of a plurality of data users are written, and a data provider computer. a data quality evaluation unit that evaluates provided distribution data based on the data quality standard information , the distribution data includes a plurality of data items, and the data quality evaluation unit evaluates information for each data item. based on recency, which is the newness of the data, credibility, which is the certainty of the information for each data item, and the degree of confirmation of the data item by the data provider who operates the data provider computer that sent the distribution data. The accuracy is evaluated, the accuracy is calculated as a numerical value, and the data quality evaluation unit evaluates the reliability of the data provider who operates the data provider computer that transmitted the distribution data to the accuracy for each data item. Probability is calculated by multiplying by a value indicating the degree of occurrence.
A data distribution system according to a second aspect of the present invention includes a data provider computer that transmits distribution data to be evaluated and distributed, and a data provider computer that evaluates the distribution data and sends the distribution data to one or more data users based on the evaluation result. a data value evaluation calculation device that transmits the distribution data, and the data value evaluation calculation device stores data quality standard information in which data value standards corresponding to each of the plurality of data users are described. and a data quality evaluation unit that sends the distributed data that has been evaluated based on the data quality standard information and exceeds a predetermined standard to the data user corresponding to the data quality standard information , The distribution data includes a plurality of data items, and the data quality evaluation unit evaluates recency, which is the newness of the information for each data item, credibility, which is the certainty of the information for each data item, and The accuracy is evaluated based on the degree of confirmation of the data item by the data provider who operates the data provider computer that sent the distribution data, the accuracy is calculated as a numerical value, and the data quality evaluation unit The probability is calculated by multiplying the probability by a value indicating the reliability of the data provider who operates the data provider computer that transmitted the distribution data .

Claims

a storage unit storing data quality standard information in which standards of data value corresponding to each of the plurality of data users are written;
a data quality evaluation unit that evaluates distribution data provided from a data provider computer based on the data quality standard information ;
The distribution data includes a plurality of data items,
The data quality evaluation unit operates the up-to-dateness, which is the newness of the information for each data item, the authenticity, which is the certainty of the information for each data item, and the data provider computer that sent the distribution data. Evaluate accuracy based on the degree of confirmation of the data item by the data provider,
The accuracy is calculated as a numerical value,
The data quality evaluation unit calculates the probability for each data item by multiplying the accuracy by a value indicating the reliability of the data provider who operates the data provider computer that transmitted the distribution data. Data value evaluation calculation device.

The data value evaluation calculation device according to claim 1,
The data sovereign who owns the distribution data selects a provider candidate from among the plurality of data users who can acquire the distribution data,
The data quality evaluation unit provides the distribution data to the data users who correspond to the data quality standard information whose evaluation of the distribution data exceeds a predetermined standard and who are included in the provision destination candidates. A data value evaluation calculation device that sends.

The data value evaluation calculation device according to claim 2,
The storage unit stores in advance a sending list indicating one or more of the data users corresponding to each of the data provider computers and the data quality standard information,
The data quality evaluation unit is a data user corresponding to the data quality standard information whose evaluation of the distribution data exceeds a predetermined standard, who is included in the provision destination candidate, and who has transmitted the distribution data. A data value evaluation calculation device in which a combination of the data provider computer and the data user sends the distribution data to the data users shown in the sending list.

The data value evaluation calculation device according to claim 1,
The data quality standard information includes a standard of recency, which is the newness of information, for each data item, and a criterion of credibility, which is the certainty of information, for each data item. Device.

The data value evaluation calculation device according to claim 1 ,
The data quality evaluation unit further calculates relative data value for each data item using a value obtained by weighting the probability value by the degree of importance of the data item included in the data quality standard information. , data value evaluation calculation device.

a data provider computer that transmits distribution data to be evaluated and distributed;
a data value evaluation calculation device that evaluates the distribution data and transmits the distribution data to one or more data users based on the evaluation result;
The data value evaluation calculation device includes:
a storage unit storing data quality standard information in which standards of data value corresponding to each of the plurality of data users are written;
a data quality evaluation unit that sends the distributed data that has been evaluated based on the data quality standard information and exceeds a predetermined standard to the data user corresponding to the data quality standard information ;
The distribution data includes a plurality of data items,
The data quality evaluation unit operates the up-to-dateness, which is the newness of the information for each data item, the authenticity, which is the certainty of the information for each data item, and the data provider computer that sent the distribution data. Evaluate accuracy based on the degree of confirmation of the data item by the data provider,
The accuracy is calculated as a numerical value,
In the data distribution system, the data quality evaluation unit calculates probability by multiplying the accuracy by a value indicating reliability of a data provider who operates the data provider computer that transmitted the distribution data.

The data distribution system according to claim 6 ,
The data sovereign who owns the distribution data selects a provider candidate from which the distribution data can be obtained from the plurality of data users,
The data quality evaluation unit provides the distribution data to the data users who correspond to the data quality standard information whose evaluation of the distribution data exceeds a predetermined standard and who are included in the provision destination candidates. A data distribution system that sends

The data distribution system according to claim 7 ,
The storage unit stores in advance a sending list showing one or more of the data users corresponding to each of the data provider computers and the data quality standard information,
The data quality evaluation unit is configured to determine whether the data user corresponds to the data quality standard information whose evaluation of the distribution data exceeds a predetermined standard, who is included in the provision destination candidates, and who has transmitted the distribution data. A data distribution system in which a combination of the data provider computer and the data user sends the distribution data to the data users shown in the sending list.

The data distribution system according to claim 6 ,
The data quality standard information includes, for each data item, a standard of currency, which is the newness of the information, and a standard of credibility, which is the certainty of the information, for each data item.

The data distribution system according to claim 6 ,
The data quality evaluation unit further calculates relative data value for each data item using a value obtained by weighting the probability value by the degree of importance of the data item included in the data quality standard information. , data distribution system.