Re: DID considerations

On 10/28/21 3:22 PM, Kingsley Idehen wrote:
> On 10/28/21 2:04 PM, Melvin Carvalho wrote:
>>
>>
>> On Thu, 28 Oct 2021 at 19:15, Kingsley Idehen 
>> <kidehen@openlinksw.com> wrote:
>>
>>     On 10/28/21 9:28 AM, Melvin Carvalho wrote:
>>>
>>>
>>>     On Wed, 27 Oct 2021 at 19:14, Kingsley Idehen
>>>     <kidehen@openlinksw.com> wrote:
>>>
>>>         On 10/27/21 6:42 AM, Melvin Carvalho wrote:
>>>>
>>>>
>>>>         On Sat, 23 Oct 2021 at 01:59, Timothy Holborn
>>>>         <timothy.holborn@gmail.com> wrote:
>>>>
>>>>
>>>>
>>>>             On Sat, 23 Oct 2021 at 00:28, Melvin Carvalho
>>>>             <melvincarvalho@gmail.com> wrote:
>>>>
>>>>
>>>>
>>>>                 On Fri, 22 Oct 2021 at 06:30, Timothy Holborn
>>>>                 <timothy.holborn@gmail.com> wrote:
>>>>
>>>>                     Heya,
>>>>
>>>>                     Long time ago, work was being done mostly via
>>>>                     RWW, that considered HTTPa & an array of other
>>>>                     ecosystem considerations.
>>>>
>>>>                     Since then DID work has developed.
>>>>
>>>>                     There's an objection going on ATM.
>>>>
>>>>
>>>>                 AFAIK, there's an objection from Mozilla / Tantek. 
>>>>                 Then again Tantek objected to Solid being part of
>>>>                 the SWWG too.  I get the impression that he really
>>>>                 dislikes Linked Data, but I dont fully understand why
>>>>
>>>>                 See:
>>>>
>>>>                 https://www.evernym.com/blog/w3c-vision-of-decentralization/
>>>>
>>>>                 Not been following it closely, but I'm sure DID
>>>>                 will get through the w3c process.  Just politics at
>>>>                 play
>>>>
>>>>
>>>>             Per the lists: Formal objections raised by Apple &
>>>>             Google also.  (not sure about Tantek?)
>>>>             https://lists.w3.org/Archives/Public/public-did-wg/
>>>>             apparently
>>>>             https://web.archive.org/web/*/https://www.w3.org/2001/tag/doc/ethical-web-principles/
>>>>             related issues were raised.  looks like that started to
>>>>             evolve around the time i mocked-up some of
>>>>             https://github.com/webcivics/ontologies whereby the
>>>>             delivery of
>>>>             https://github.com/WebCivics/ontologies/blob/master/humanrights.owl
>>>>             into production should probably live (imo) on DID:UN or
>>>>             similar.(sadly no one appears to have advanced these
>>>>             works, if i am mistaken - please let me know the link
>>>>             to the ontology online)
>>>>
>>>>             Vaccine Passports seemingly started in California
>>>>             https://leginfo.legislature.ca.gov/faces/billCompareClient.xhtml?bill_id=201920200AB2004&showamends=false
>>>>             <https://leginfo.legislature.ca.gov/faces/billCompareClient.xhtml?bill_id=201920200AB2004&showamends=false>
>>>>
>>>>
>>>>             and many are now built using this technology
>>>>
>>>>             https://www.ibm.com/watson/health/resources/digital-health-pass-blockchain-explained/
>>>>
>>>>
>>>>             https://www.iata.org/en/iata-repository/pressroom/presentations/travel-pass/
>>>>
>>>>
>>>>             https://www.prnewswire.com/news-releases/worlds-airports-and-leading-airlines-join-commontrust-network-and-begin-roll-out-of-commonpass-in-december-in-support-of-safer-border-reopening-301179752.html
>>>>
>>>>             https://trustoverip.org/get-involved/good-health-pass-implementation/
>>>>
>>>>             Microsoft (which often provides infrastructure for
>>>>             governments) is also deploying a version of it; but
>>>>             afaik, its using JSON not JSON-LD.
>>>>
>>>>             https://docs.microsoft.com/en-us/azure/active-directory/verifiable-credentials/decentralized-identifier-overview
>>>>
>>>>
>>>>             SO, there may be a future DID:MSFT Web, that isn't
>>>>             interoperable with the broader web.
>>>>
>>>>             There's widespread reports (and 'common knowledge') of
>>>>             persons being excluded from society based upon the
>>>>             status of their 'vaccine passport'.
>>>>
>>>>             So, ‘the web’ (‘internet’) has become a mandatorily
>>>>             required appendage for socio-economic participation as
>>>>             is now consequential to the global commercialisation of
>>>>             ‘vaccine passports’. Digital Identity infrastructure is
>>>>             now increasingly vital for any human being who seeks to
>>>>             have agency.
>>>>
>>>>             There are different meanings different groups use when
>>>>             they speak about ‘identity’ or ‘digital identity’.Some
>>>>             definitions seem to mean 'property'.
>>>>
>>>>             having been granted some assistance to get a better
>>>>             look into the situation (with thanks); my
>>>>             considerations are that there's an ethics /
>>>>             sustainability - impact on humanity problem (not new).
>>>>
>>>>             W3C has traditionally not had scope like other groups,
>>>>             for example:
>>>>             https://en.wikipedia.org/wiki/IEEE_Society_on_Social_Implications_of_Technology
>>>>
>>>>             DID Methods are presently 'platform' or 'platform
>>>>             company' centric.
>>>>             https://w3c.github.io/did-spec-registries/#did-methods
>>>>
>>>>             This may result in different 'webs' forming where
>>>>             platform providers have a vested interest in making
>>>>             them not work with other online resources. A means to
>>>>             address that problem may be to change the URI DID
>>>>             Method Construct (and governance framework) to support
>>>>             societal groups.
>>>>
>>>>             in effect -Change the DID methods to support the
>>>>             notations based on legal stewards of the methods (and
>>>>             underlying content on whatever DLT technology employed,
>>>>             including means to migrate to another).
>>>>
>>>>             - DID:UN, DID:WHO, DID:EU, DID:NL, DID:UK, DID:ITU, DID:W3C
>>>>             etc.
>>>>
>>>>
>>>>         Re: different "webs" that is already the case.  The idea of
>>>>         web architecture is that all the URI schemes can interact
>>>>         with one another via hyperlinks forming a multi protocol web
>>>>
>>>>         https://en.wikipedia.org/wiki/List_of_URI_schemes
>>>>
>>>>         Two of biggest are http: and file: so that's good if you
>>>>         want a network effect, others are likely more niche
>>>>
>>>>         DID is just a set of schemes, and sub schemes with a common
>>>>         JSON format and some agreed common structure, and set of
>>>>         functions
>>>>
>>>>         It would be interesting to see if that can lead to a
>>>>         standardized way to write to the web, that is something
>>>>         more than HTTP POST, because that's something of a black box
>>>>
>>>>         One reason is that, standardized ways to write to the web
>>>>         quickly become Turing Complete and in turn can lead to an
>>>>         web operating system
>>>>
>>>>         In some sense, we're still a long way from standardizing
>>>>         that (a web OS).  In other ways, it's happening in lots of
>>>>         places simultaneously with different groups
>>>
>>>
>>>         Here's my understanding:
>>>
>>>         WebID -- an HTTP URI scheme based Identifier for a Person or
>>>         Agent that resolves to a Profile Document (a Credentials
>>>         Store).
>>>
>>>         WebID+TLS -- an authentication protocol in the form of a
>>>         TLS-handshake extension that adds a Profile Document lookup
>>>         facilitated by a WebID incorporated into an X.509
>>>         Certificate via its Subject Alternative Name (SAN) slot.
>>>
>>>         DiD or DID -- a Resolvable URI scheme (i.e., HTTP and
>>>         others) based Identifier for a Person or Agent that resolves
>>>         to a Profile Document.
>>>
>>>         DiD or DID Methods -- various methods for authenticating
>>>         credentials in a Profile Document.
>>>
>>>
>>>     Sounds about right, Kingsley
>>>
>>>     The did refers to a "controller", which could be a person,
>>>     organization, thing etc.
>>>
>>>     https://www.w3.org/TR/did-core/#did-controller
>>
>>
>>     I was referring to
>>     https://www.w3.org/TR/did-core/#dfn-decentralized-identifiers
>>     which is analogous to a WebID, but not HTTP scheme specific i.e.,
>>     it is resovable, but doesn't mandate HTTP as the resolution
>>     mechanism. Basically, entity denoted by said identifier.
>>
>>     (Distributed) ID vs (Web)ID .
>>
>>     https://www.w3.org/TR/did-core/#did-controller denotes an entity
>>     with create, read, write, delete privileges over a DID, not the
>>     Subject denoted by a DID.
>>
>>
>>>
>>>     The controller can make changes to the DID Document.  Now we
>>>     need to be careful with this term "Document" as defined in that
>>>     spec.
>>
>>
>>     Note my comments above.
>>
>>     A Document comprise content structured using a variety of
>>     content-types. Ultimately, said content is some form of Data
>>     Representation.
>>
>>     Documents as Content Locations.
>>
>>
>>>
>>>     Because it ("A set of data describing the DID subject") might
>>>     not 100% match what we think of as a web document
>>
>>
>>     A Web Document is simply a Docuemnt that's accessible via HTTP.
>>     Unfortunately, there is a general misconcpetion that this implies
>>     an HTML document.
>>
>>
>> I think there might be something more subtle going on here
>>
>> ie document vs data
>>
>> Data is written ON a document, but it is not the document itself
>
>
> Yes, a Document comprises Content which is a Representation of Data -- 
> as defined by Content-Type (or Mime-Type).
>
>
>>
>> So there's a difference between writing and paper
>
>
> Of course there is, and that's a good example.
>
> You have the surface (document) and the sentences (data).
>
> This is the foundation of everything re Documents, Databases, Data, 
> and the generally overlooked Datum.
>
> I covered this years ago in a presentation titled "Understanding 
> Data"  [1 
> <https://www.slideshare.net/kidehen/understanding-29894555/56>][2 
> <https://docs.google.com/spreadsheets/d/1aunciylJt8RJimcLC8H5pzUDl4_R836Gsty6-qbLd7w/edit#gid=0&range=A1>]. 
>
>
>
>>
>> I could be wrong here, but I think it would be very interesting to 
>> compare the DID Document concept with the HTTP Document concept and 
>> see what matches, and what's different
>
>
> A DID document is just a document. Just like a WebID-Profile is 
> document etc..
>
>
>>
>> For example how do headers apply to one versus another, meta data, 
>> head vs body etc.
>
>
> Metadata is information about a Document.
>
> Annotations are inline metadata scoped to words, sentences, paragraphs 
> in a doc [2 
> <https://docs.google.com/spreadsheets/d/1aunciylJt8RJimcLC8H5pzUDl4_R836Gsty6-qbLd7w/edit#gid=0&range=A1>]. 
>
>
>
> Kingsley
>

I also forgot to add some links to my prior response.

Links:

1. https://www.slideshare.net/kidehen/understanding-29894555/56 -- 
Understanding Data Segment
2. 
https://docs.google.com/spreadsheets/d/1aunciylJt8RJimcLC8H5pzUDl4_R836Gsty6-qbLd7w/edit#gid=0&range=A1 
-- Google Spreadsheet covering a few terms that are en route to Glossary 
or mapped to it
3. http://www.openlinksw.com/data/turtle/general/GlossaryOfTerms.ttl -- 
Glossary Live Edition deployed using Linked Data principles
4. https://github.com/kidehen/glossaries/blob/master/GlossaryOfTerms.ttl 
-- Glossary Repo


-- 
Regards,

Kingsley Idehen 
Founder & CEO
OpenLink Software
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Received on Friday, 29 October 2021 14:11:23 UTC