Re: CBOR-LD musings

Hi Gregg,
I've implemented CBOR-LD in Java in a configurable way. DB's
implementation compatibility configuration included.

The algorithm is quite wild trying to squeeze out most of the JSON-LD
syntactic sugar, and deliver minimal compressed output. I guess the main
motivation at the beginning was to get a small footprint that can be
encoded as QR code.

Basically the algorithm tries to compress terms, types, and values. See
here CRBOR-LD DB Configuration
<https://github.com/filip26/iridium-cbor-ld/blob/main/src/main/java/com/apicatalog/cborld/db/DbConfig.java>
.

I would be happy to share my experience with you - btw. The current
proposed algorithm can be even improved.

The only thing I'm not sure about is to make it part of the JSON-LD
algorithms. It's quite a complex implementation that could be generalized
to use different algorithms, different strategies.

Best,
Filip








On Tue, Nov 28, 2023 at 1:05 AM Manu Sporny <msporny@digitalbazaar.com>
wrote:

> On Mon, Nov 27, 2023 at 6:29 PM Gregg Kellogg <gregg@greggkellogg.net>
> wrote:
> > It would be great to have a discussion on DB’s CBOR-LD spec to
> understand what it is trying to do.
>
> Sure, and happy to have that discussion (and share the production
> deployments we have today for CBOR-LD). The spec is in a fairly
> outdated state due to all the other spec work we've been doing that is
> under more immediate time pressures. Your commentary on what's missing
> today is accurate and we'd like to fix that (and haven't been able to
> given all the other time pressures and customer demands).
>
> That said, the CBOR-LD implementation here is in production usage (for
> the TruAge program, which is also used by the State of California in
> their DMV app):
>
> https://github.com/digitalbazaar/cborld
>
> ... and we have a very long and outstanding set of issues to update
> the CBOR-LD spec to bring it inline w/ the CBOR-LD implementation we
> have and then transfer ownership over to the JSON-LD WG (if there is
> consensus to take the work on).
>
> -- manu
>
> --
> Manu Sporny - https://www.linkedin.com/in/manusporny/
> Founder/CEO - Digital Bazaar, Inc.
> https://www.digitalbazaar.com/
>
>