DATA-EX: Cross-Domain
Data Exchange Platform
Noboru Koshizuka, Ph. D
Chair, Data Society Alliance (DSA)
Professor, Interfaculty Initiative in Information Studies, The University of Tokyo

Japan’s Vision of Future Digitalized Society

Society 5.02

Feature of Society 5.0

Cyber-Physical World

3

Data is the new oil
stof the 21 century

4

The need to establish Japan's vision ofDFFT: Data Free Flow with Trustfor Society 5.0

Platform for Data Exchange and Use

5Data Platform Functions

１ Search for data

Know what kind of data is available in Japan and overseas andwhere.(Catalog function, search function)

2Acquire the data you are searching for
Download, API acquisition (technical issues) Contracts, transactions,trading (social issues)3

Connect the acquired data

Data collaboration, interoperability, data cleansing

62021/10/17(C) 2020 Noboru Koshizuka, All Rights Reserved.

Examples of data sharing platforms within each field:
now is just the time to federate these platforms

National Government Open Data

Personal Data Store

Public Transportation

AI

Local Government Open Data

Information Bank

Manufacturing

SpaceWeather

Agriculture

Data Platform of Tokyo
Metropolitan Government

Data Trading

AcademiaGeography

78Directors9Diretors10

DSA Members (1)11DSA Members (2)12Global and International
Cooperation

13

Corporate Agreement between FIWARE Foundation and DTA (Feb. 2020)14

Collaboration
Agreement
between IDSAand DSA(Oct. 2021)

15

Vision and Mission

16

Vision“World of Data-Driven Innovation“

データ利活用によりイノベーションが持続的に起こる世界””
17Mission1

Establish Data Driven Society with democracyof innovation2

Develop data-distribution infrastructure for theworld3

Accelerate social implementation withTechnology and Service development

4

Collaboration and Contribution to the World
18

Data Driven Society We Want

19

Democratizing innovation throughthe use of data
A society where everyone has a chance toinnovate through data-driven scientific methods

20

Sustainable society throughthe use of data

21

DFFT: Data Free Flow with Trust

22

Establishing a data businessdata trading market

23

Further promotion ofopen data24

Safe and secure personal datamanagement
Personal Data Store, Information Bank

25

Targeted Technologies

26

Data platform federationarchitecture with API integration

Not collecting data in one place,but connecting the data produced by each domain

27

Utilization-oriented data platform

A data platform from the perspectiveof data users

28Governance-neutral
generic data platformarchitecture
A flexible technology architecture that can meetvarious data governance requirements that will be
developed in the future29

Overview of the Cross-Domain Data Sharing Infrastructure (CADDE)
Architecture of SIP Project

Data Sharing/Exchange Platform

Data Users
Application Layer
SV
サービス
Appl.
アプリ

SV
サービス
Appl.
アプリ

Appliアプリ
cationConnector

Data Management Layer(pre-processing)
データ

Contract
Agent

DataSearch
検索

Data Management Layer(post-processing)
Log/History
Confirmation

Application

アプリ

Connector

Data Exchange Layer

Data Suppliers

Connector

Data StoreConnector
Connector

Contract
Management

Cross-Domain Search

Log/History
Confirmation

Data Log/History

DataAuthoring

Contract
Agent
Data Catalog(Meta-Data)

CatalogAuthoring

データ
DataAudit
監査30

2021/10/17(C) 2021 Noboru Koshizuka, All Rights Reserved.

DATA-EX Functional Architecture (in Japanese)
DATA-EX/DSA Platform
流通基盤

トラス
ト
管理

Ｉ
Ｄ管理ス
トア

連携基盤／データ標準

コ
ネク
シタ
S・ンロ
ケ8

証明書
発⾏

デ8横タ断カ検タ索ロ型
グ

ＡＰＩカタロ
グ

ＯＳＳ
ア8カイブ

ダeシf
ボ8ドドレメジイ
スント語リ彙

仕様書類管理

今後検討して酒精する可能性がある

DATA-EXテストベッド

DSAコミュニティー管理（NGSIモジュール群）
拡張予定モジュール群

OSS

App

情報
銀⾏・PDS

デ8タ取引
市場

トラスト基盤※

テストベッドサービス
OSS組込・相互接続検証環境

テ・
<開8発
運コ
営ミf
ニ

DATA-EXモジュール群
SaaS型テストベット利⽤環境

C
データ利⽤者

データ提供者C

DATA-EX on the Internet
CC

.....

各種連携

⾃治体
Ａ

.....

CC

C

⾃治体
Ｘ

ス
マ8トシ
テ
<Ａス
マ8トシ
テ
<Ｘ

⾃治体間連携

.....

都市間連携

C

C

.....

企業間連携

C

CC

C

Ａ
Ｉ
ホス
ピ
タル

Ｗ
ＡＧ
ＲＩ
農業

Ｓ
ＩＰ
４Ｄ防災

Ｓ
ＩＰ
⾃動運
転

.....

SIP各分野との連携C国際連携31

(C) 2021 Noboru Koshizuka, All Rights Reserved.

2021/10/17

DATA-EX Functions
n Certification and authorization► We provide authentication and authorization
functions necessary for reliable data sharing,such as a mechanism for appropriately mutual
authentication of organizations and users
participating in DATA-EX, and the originality
and integrity of data handled on DATA-EX.

n Connector Location Service► As a common general-purpose interface
necessary for data sharing, it is a function thatenables anyone to cooperate with otherparticipating organizations by providing
discovery functions for the implementation of"connectors" and international standard NGSI
developed by SIP interdisciplinary data sharing
infrastructure technology.

n Search across data catalogs► A function to search across data catalogs thatsummarize the data sets that eachparticipating organization can provide and therequests for datasets to be provided in acertain format.

n API Catalog Registry Service► A function that comprehensively provides APIs
and various information necessary for use ofvarious services provided by each participatingorganization.

n Domain Vocabulary Registry Service► A function that comprehensively provides
meta-information on data sets commonly usedin various domains and vocabulary used in datacatalogs.

n Dashboard Services► In addition to visualizing the amount andclassification of data distributed on DATA-EX, aservice function for participants to use eachfunction.

n Provision of OSS modules► The ability to provide OSS (Open SourceSoftware) libraries and implementation
modules available to organizations
participating in DATA-EX.

n Testbed function► A testbed function for organizations
participating in DATA-EX to demonstrate andevaluate various services and data sharing on atrial.
真野浩︓「データ社会推進協議会の取組み」, ITUジャーナル,Vol. 51, No. 7 (2021.7).より

32

(C) 2021 Noboru Koshizuka, All Rights Reserved.

2021/10/17

Expected collaborative data sharing infrastructuren Data Trading Market► By collaborating with data transaction market operators that provide datatransactions and settlements, we will cooperate to ensure that the exchange of dataand consideration is safe and secure.

n Information Bank, PDS (Personal Data Store)► By collaborating with information banks and PDS specialized in personal data, we will
cooperate to ensure that data about individuals can be collected safely and securely.

n Data Usage App Store► Applications and solutions using Data

真野浩︓「データ社会推進協議会の取組み」, ITUジャーナル,Vol. 51, No. 7 (2021.7).より

33

DATA-EX andJapan Comprehensive National
Data Strategy

June, 2021

34

(C) 2021 Noboru Koshizuka, All Rights Reserved.

2021/10/17

From The Comprehensive Data Strategy: Overview
https://www.kantei.go.jp/jp/singi/it2/dgov/data_strategy_tf/dai7/siryou8-1.pdf

35

(C) 2021 Noboru Koshizuka, All Rights Reserved.

2021/10/17

From The Comprehensive Data Strategy: Developing a Platform
https://www.kantei.go.jp/jp/singi/it2/dgov/data_strategy_tf/dai7/siryou8-1.pdf

36

https://data-society-alliance.org/
noboru@koshizuka-lab.org

37