Re: Message contents: Pijul, PSYC, etc.

[Jeff Burdges]

Alright I see thanks, but..

I probably do not need to think about profiles, especially not without first 
understanding whatever MLS folk thought about key management.  :)

Thanks again, Jeff



> On 10 Jan 2022, at 20:24, carlo von lynX <lynX@time.to.get.psyced.org> wrote:
> 
> On Mon, Jan 10, 2022 at 07:49:48PM +0100, Jeff Burdges wrote:
>> I’ve forgotten what PSYC does..  I vaguely recall key values pairs ala 
>> HTML..  I’ve no real idea why a key-value abstraction helps in messaging.
> 
> Check out t3sserakt's talk explaining modeling
> the many facets of visibility of profile data
> needed to reflect real-world society use cases:
> 
> https://media.ccc.de/v/34c3-ChaosWest-2-modeling_trust_in_a_distributed_private_social_network_secushare_org
> 
> Each person's view of another's profile is a
> combination of channels they is entitled to see
> and aggregate. It makes sense to structure the
> data in each channel with PSYC's hierarchic
> key-value stores and the semantic inheritance
> feature implied in that syntax.
> 
> https://about.psyc.eu/Keyword explains semantic
> inheritance a bit. It also introduces keyword
> name compression whereby each semantic step is
> reduced to a single letter without sacrificing
> extensibility. In PSYC you can add new features
> without software upgrade and still count on a
> gracious fallback to the previously defined
> semantics. That's what keyword inheritance
> achieves. And as a side effect it allows to
> map complex data into flat key-value stores.