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Perennial Semantic�Data Terms of Use�and others

Rui Zhao

Tianjin University

zhaorui@tju.edu.cn

Main work conducted when in University of Oxford

Perennial Semantic Data Terms of Use for Decentralized Web,

2024 ACM Web Conference (WWW 2024)

https://me.ryey.icu/solid-dtou

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Solid Authorization ... Again

Which app?

Why?

What about...

3rd parties?

data re-sharing?

output data?

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Data Terms of Use (DToU)

Never write; manual checking

Write once; check anywhere

Which app?

Why?

What about...

3rd parties?

data re-sharing?

output data?

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DToU Language Design (at High-Level)

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DToU in Action

Scenario:

  • Alice has her Solid Pod
  • Alice is interested in 3 apps:
  • Alice wants to know which app she should authorize, and why if not, in minimal effort

​

Actions needed for Alice:

  • Specify Data Policy for every data (e.g. at the container)
  • No more!

https://github.com/renyuneyun/dtou-demo-sosy

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DToU in Action

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DToU in Action

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DToU in Action

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DToU in Action

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DToU in Action

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DToU in Action

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MANDAT?

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Overview of Methods

https://github.com/hackers4peace/sosy26/issues/3

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Get in touch!

Rui Zhao

Associate Professor

zhaorui@tju.edu.cn

https://me.ryey.icu

EWADA Project

https://ewada.ox.ac.uk