Preface: Background and Overview

As an important resource, data has received increasing attention. In the process of data resource development and utilisation, sharing is always a difficult problem: the government is restrained and worried about leaking secrets; individuals also have concerns and fear that their privacy will be exposed; companies are even tightly shutting the gates. However, modern trade has greatly promoted global production and consumption and promoted the rapid development of the economy and society. Data also needs to flow to reflect value and play a role. Data without circulation has little impact – effectively just a bunch of numbers. Just as the driving force of economic activity is value realisation, as equally valuable ...

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