Gov/en/Portal:R&D/Innovations:Structured Data: Difference between revisions

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{{KidsIntro|Structured data means organising information so computers can read and connect it. Some data is private (your identity, bank details), some is public on purpose (published contracts). One idea guides it all: your habits are not for sale.}}

{{ExpertIntro|Structured Data is a research direction: express WikiDeal information as Linked Data (RDF, JSON-LD, Wikidata) with two regimes, private-by-default personal data under user control and deliberately published contract states and aggregate statistics. It explores local-first storage, decentralised identity, selective disclosure, and GDPR/eIDAS alignment. Nothing is implemented yet.}}

{| class="wikitable"

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Every marketplace runs on information: who offers what, which contracts were signed, what a community can learn from its own activity. On mainstream platforms that information quietly becomes a product. WikiDeal starts from the users' need instead: a babysitter who wants to show her references without a platform storing them, a family that wants proof a contract was signed without exposing its content. This page describes how structured, machine-readable data could serve those needs while keeping ownership with the people concerned.

~~__TOC__~~

{{ArticleSummary|

* [[#aspects|Aspects covered on this page]]

* [[#why-it-matters|Why it matters]]

* [[#what-data|What data are we talking about]]

* [[#three-guarantees|Three intended guarantees]]

* [[#anonymized-statistics|Anonymized statistics for the common good]]

* [[#data-minimisation|Data minimisation and local-first]]

* [[#decentralised-identity|Decentralised identity]]

* [[#decentralized-web|Decentralized Web]]

* [[#selective-disclosure|Selective disclosure]]

* [[#legal-compliance|Legal compliance: GDPR, eIDAS 2.0 and beyond]]

* [[#data-governance|Data governance: future hypotheses]]

* [[#state-of-the-art|State of the art]]

}}

__NOTOC__

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== State of the art ==

Structured and linked data are among the most standardized fields explored by WikiDeal. The founding papers and specifications below are the scientific and normative basis of this track.

* Tim Berners-Lee, James Hendler and Ora Lassila (2001), ''The Semantic Web'', Scientific American, 284(5): [https://doi.org/10.1038/scientificamerican0501-34 doi:10.1038/scientificamerican0501-34] · [https://en.wikipedia.org/wiki/Semantic_Web semantic web on Wikipedia].

* Christian Bizer, Tom Heath and Tim Berners-Lee (2009), ''Linked Data: The Story So Far'', International Journal on Semantic Web and Information Systems, 5(3): [https://doi.org/10.4018/jswis.2009081901 doi:10.4018/jswis.2009081901] · [https://en.wikipedia.org/wiki/Linked_data linked data on Wikipedia].

* Denny Vrandečić and Markus Krötzsch (2014), ''Wikidata: A Free Collaborative Knowledgebase'', Communications of the ACM, 57(10): [https://doi.org/10.1145/2629489 doi:10.1145/2629489] · [https://en.wikipedia.org/wiki/Wikidata Wikidata on Wikipedia].

* W3C (2014), ''RDF 1.1 Concepts and Abstract Syntax'', W3C Recommendation: [https://www.w3.org/TR/rdf11-concepts/ official specification] · [https://en.wikipedia.org/wiki/Resource_Description_Framework RDF on Wikipedia].

* W3C (2020), ''JSON-LD 1.1: A JSON-based Serialization for Linked Data'', W3C Recommendation: [https://www.w3.org/TR/json-ld11/ official specification] · [https://en.wikipedia.org/wiki/JSON-LD JSON-LD on Wikipedia].

'''See also:''' [[Gov/en/Portal:R&D/Innovations:Main|All innovations]] · [[Gov/en/Portal:R&D/Main|R&D Portal]] · [[Gov/en/Portal:Data/Decentralized-Data|Decentralized Data]] · [[Gov/en/Portal:Data/Blockchains|Blockchains & Smart Contracts]] · [[Gov/en/Portal:R&D/Innovations:Rings Of Trust|Rings of Trust]]

~~[[Category:Migration June 2026]]~~

[[Category:Innovation]]