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RE: Indexing/searching a corpus of (decentralized) self-sovereign data

From: Michael Herman (Trusted Digital Web) <mwherman@parallelspace.net>
Date: Wed, 16 Nov 2022 10:11:32 +0000
To: Leonard Rosenthol <lrosenth@adobe.com>, "public-credentials (public-credentials@w3.org)" <public-credentials@w3.org>
Message-ID: <MWHPR1301MB2094601ACE221A5382314EFAC3079@MWHPR1301MB2094.namprd13.prod.outlook.com>
Thank you Leonard, I think the discussion can be generalized to data stored in a decentralized store (e.g. a DWN).

From: Leonard Rosenthol <lrosenth@adobe.com>
Sent: Tuesday, November 15, 2022 9:36 PM
To: Michael Herman (Trusted Digital Web) <mwherman@parallelspace.net>; public-credentials (public-credentials@w3.org) <public-credentials@w3.org>
Subject: Re: Indexing/searching a corpus of (decentralized) self-sovereign data

It's not unlike a problem that we are trying to reconcile in C2PA - how do you reference a decentralized object (e.g. something on a DLT)?   There is no standardize mechanism for referencing - ala a URL.  At least for IPFS, they standardized a model for "proxying" so that you can use an `ipfs://` URL.

DIDs, and the DID Method registry, are something for identities - but that doesn't help for all the myriad of other things that can live on a DLT.

Hope this conversation can include that as well.


From: Michael Herman (Trusted Digital Web) <mwherman@parallelspace.net<mailto:mwherman@parallelspace.net>>
Date: Tuesday, November 15, 2022 at 2:22 PM
To: public-credentials (public-credentials@w3.org<mailto:public-credentials@w3.org>) <public-credentials@w3.org<mailto:public-credentials@w3.org>>
Subject: Indexing/searching a corpus of (decentralized) self-sovereign data

EXTERNAL: Use caution when clicking on links or opening attachments.

As I started to think about this, it turns out that it is not a straightforward problem (and hence, neither is the solution).

Is anyone aware of any previous discussions on this topic, articles, papers, etc. that analyze this problem and, perhaps, characterize what a solution might look like?

Thank you,

Best regards,
Michael Herman
Far Left Self-Sovereignist
First Principles Thinker

Self-Sovereign Blockchain Architect
Trusted Digital Web
Hyperonomy Digital Identity Lab
Parallelspace Corporation


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