Overlays 1O1: Establishing Schema Definitions within the Self-Sovereign Identity (SSI) Ecosystem – Paul Knowles – Webinar 17

Paul Knowles, Innovation & Emerging Technology at Dativa and chair of the Schemas and Overlays Working Group at Sovrin Foundation, will be our next guest presenting a new data capture model to the global SSI (Self-Sovereign Identity) community.

This talk introduces Overlays, data structures that provide extra layers of contextual and/or conditional information to Schemas. Paul will show how Overlays ensure that Schema definitions can remain in their simplest form thus providing a standard base from which to decentralize data. The extra context provided by Overlays can be used by an Agent to transform how information is displayed to a viewer or to guide the Agent in how to apply a custom process to Schema data. All components within this flexible data capture architecture contain DIDs (Decentralised Identifiers) for linked association and search purposes.

The presentation will also include a live demonstration from *Robert Mitwicki from Lab10 Collective* to show how a set of Overlays can be added to a plain Schema to provide richer complexity to the base structure.

To participate in the Overlays development, webinar attendees can register at https://chat.hyperledger.org/home. Once you’re in, they join the *#indy-semantics* channel. Paul’s handle on that server is “pknowles” and Robert’s is “mtfk”.

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This content is shared with a Creative Commons by Share Alike License. This allows you to reuse the powerpoint slides we are sharing here to build your own SSI communities around the globe. You only need to credit SSIMeetup and the invited guest of the day and share whatever you produce with the same license. Please read the license for full details.

Download the full presentation “Overlays 1O1: Establishing Schema Definitions within the Self-Sovereign Identity (SSI) Ecosystem” from Google Slides.

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Anyone deals with or who wants to deal with Self-Sovereign Identity. This includes: SSI companies, SSI loving organizations, and any SSI evangelist wanting to use community SSI tools or who is otherwise interested in contributing.



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