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Towards a Decentralized Data Hub and Query System for Federated Dynamic Data Spaces

Published: 30 April 2023 Publication History

Abstract

This position paper proposes a hybrid architecture for secure and efficient data sharing and processing across dynamic data spaces. On the one hand, current centralized approaches are plagued by issues such as lack of privacy and control for users, high costs, and bad performance, making these approaches unsuitable for the decentralized data spaces prevalent in Europe and various industries (decentralized on the conceptual and physical levels while centralized in the underlying implementation). On the other hand, decentralized systems face challenges with limited knowledge of/control over the global system, fair resource utilization, and data provenance. Our proposed Semantic Data Ledger (SDL) approach combines the advantages of both architectures to overcome their limitations. SDL allows users to choose the best combination of centralized and decentralized features, providing a decentralized infrastructure for the publication of structured data with machine-readable semantics. It supports expressive structured queries, secure data sharing, and payment mechanisms based on an underlying autonomous ledger, enabling the implementation of economic models and fair-use strategies.

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Cited By

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  • (2024)A Payment Architecture for Decentralized Data Spaces Based on Gaia-XDigital Economy. Emerging Technologies and Business Innovation10.1007/978-3-031-76368-7_9(119-131)Online publication date: 29-Nov-2024

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cover image ACM Conferences
WWW '23 Companion: Companion Proceedings of the ACM Web Conference 2023
April 2023
1567 pages
ISBN:9781450394192
DOI:10.1145/3543873
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Publication History

Published: 30 April 2023

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Author Tags

  1. AI
  2. Dynamic Data Spaces
  3. Federated System
  4. RDF

Qualifiers

  • Research-article
  • Research
  • Refereed limited

Funding Sources

  • German Research Foundation (DFG)
  • German Research Foundation (DFG)
  • Federal Ministry for Education and Research
  • European Union?s Horizon RIA research and innovation programme
  • Federal Ministry for Education and Research

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WWW '23
Sponsor:
WWW '23: The ACM Web Conference 2023
April 30 - May 4, 2023
TX, Austin, USA

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Cited By

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  • (2024)A Payment Architecture for Decentralized Data Spaces Based on Gaia-XDigital Economy. Emerging Technologies and Business Innovation10.1007/978-3-031-76368-7_9(119-131)Online publication date: 29-Nov-2024

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