[x3d-public] URL resolution problem on web3d.org - for X3D Ontology Assets; X3D Semantic Web meeting minutes

[GPU Group]

> Might anyone else be interested in submitting a semantics-related paper,
perhaps we can organize a semantics session?  We have 19 days.

IDEA: render scenes found to an image/screenshot and train AI with
(screenshot,semantics) tuples, so when AI sees a screenshot of something,
it can tell what's in the scene;.
-
Doug

On Mon, Feb 3, 2020 at 10:08 AM Don Brutzman <brutzman at nps.edu> wrote:

> 0. Attendees: Jakub Flotynski, Don Brutzman.  Hello out there?!
>
> -----
>
> 1. News:  we have a summary Web3D.org Events page that includes links to
> our pair of presentations in December 2019.
>
> a. Many Public Events Provide Capstone to 2019 Progress with X3Dv4
>
> https://www.web3d.org/news-story/many-public-events-provide-capstone-2019-progress-x3dv4
>
> b. Semantic Web Pro (SemWeb.Pro)
>     https://www.web3d.org/event/semantic-web-pro-semwebpro
>
> "The Semantic Web3D: towards comprehensive representation of 3D content on
> the Semantic Web" by Christophe Mouton, Don Brutzman, John Carlson, Jakub
> Flotyński, Felix Hamza-Lup, Athanasios Malamos, Marc Petit, Nicholas Polys,
> Leslie Sikos, and Krzysztof Walczak.
>
> https://www.web3d.org/sites/default/files/attachment/node/2436/edit/20191203-Web3D-semanticweb-SWP2019.pdf
>
> c. International Conference on 3D Immersion (IC3D)
>     https://www.web3d.org/event/international-conference-3d-immersion-ic3d
>
> Part 2, Query Examples: Semantic Web3D: Towards Comprehensive
> Representation of 3D Content on the Semantic Web (paper) by Jakub
> Flotyński, Don Brutzman, Felix G. Hamza-Lup, Athanasios Malamos, Nicholas
> Polys, Leslie F. Sikos, and Krzysztof Walczak was presented at
> International Conference on 3D Immersion (IC3D) in Brussels Belgium, 11
> December 2019.
> *
> https://www.web3d.org/x3d/content/semantics/documentation/presentations/IC3D-JakubFlotynski-Presentation57-2D-20191208.pdf
> *
> https://www.web3d.org/x3d/content/semantics/documentation/papers/2019_IC3D_Hamza-Lup.pdf
>
> -----
>
> 2. Paper: we will adapt and refine the contents of both SemanticWeb.Pro
> presentation and IC3D paper/presentation for Web3D 2020 Conference,
> submitting a new 8-10 page conference paper.
>
> Last year we just had a workshop and not a paper, so having a full paper
> this year is appropriate.  We want to encourage individuals working in 3D
> shape search/semantics to continue to great track record of success in the
> Web3D conferences.
>
> Jakub thinks that a special paper focus might be
> - evaluation of the X3D Ontology and XSLT transformation,
> - performance of transformation,
> - comparison of structural complexity, and
> - size of X3D knowledge bases and primary scenes
>
> Might anyone else be interested in submitting a semantics-related paper,
> perhaps we can organize a semantics session?  We have 19 days.
>
> * Web3D 2020, Seoul Korea
>    http://2020.web3dconference.org
>    https://www.web3d.org/event/web3d-2020-conference-seoul-korea
>
> *Paper and Poster Submission Deadline 22 February 2020*
>
> -----
>
> 2. With some discussion, we think the following is the best approach for
> the URL/URI problem.
>
> PREFIX x3d:  <http://www.web3d.org/specifications/x3d-4.0.xsd#>
> PREFIX x3do: <http://www.web3d.org/specifications/X3dOntology4.0#>
>
> Specifically:
>
>         http://www.web3d.org/specifications/X3dOntology4.0
> can map to actual file
>         http://www.web3d.org/specifications/X3dOntology4.0.ttl
>
> At a later time we might want to have alternative forms (e.g. XML or
> JSON-LD syntax) for this same ontology asset.  Each variation can have a
> specific url address, but the x3do: prefix can refer to all of them
> equivalently (since they will indeed be equivalent).
>
> This makes sense and has no chance of inflicting any harm on prior work...
> We therefore will test this approach, Don will implement/deploy and then we
> can evaluate on our next group call.  You will see all of the changes
> reflected throughout
>
> * X3D Ontology for Semantic Web
>    https://www.web3d.org/x3d/content/semantics/semantics.html#
>
> * X3D Specifications: Schema and DOCTYPE Validation
>    https://www.web3d.org/specifications
>
> Once everything is in place, as a courtesy we will then ask for a website
> redirect for the prior (currently unlinked) URI.
>
>
> On 2/2/2020 7:36 AM, Don Brutzman wrote:
> > X3D Semantic Web Working Group:
> >
> > One long-running difficulty in use of our ontology is that the URI
> identifier does not also map to a URL location, making it more difficult
> for others to inspect our ontology.  Having an actual document at the web
> address matching a URI encourages adoption, aids troubleshooting and is a
> common best practice.
> >
> > Specific example are current URIs for X3D XML Schema and X3D Ontology,
> we are using:
> >
> > PREFIX x3d:  <http://www.web3d.org/specifications/x3d-4.0.xsd#>
> > PREFIX x3do: <http://www.web3d.org/semantics/ontologies/X3dOntology4.0#>
> >
> > The first resolves to an actual website address but the second does not.
> >
> > The request to modify web3D.org is feasible but for various reasons has
> been met with reluctance.
> >
> > Meanwhile twp similar solutions that do not require modifying website
> configuration have become evident. We can align ontology address to match
> the stable XML schema address, namely:
> >
> > PREFIX x3d:  <http://www.web3d.org/specifications/x3d-4.0.xsd#>
> > PREFIX x3do: <
> http://www.web3d.org/specifications/ontologies/X3dOntology4.0#>
> >
> > or even the simpler self-evident URL/URI pattern:
> >
> > PREFIX x3d:  <http://www.web3d.org/specifications/x3d-4.0.xsd#>
> > PREFIX x3do: <http://www.web3d.org/specifications/X3dOntology4.0#>
> >
> > This last pair seems most memorable and consistent.  Ease of maintenance
> and operation also helps reliability, avoiding potential failure modes.
> Implementation is straightforward.
> >
> > The majority of our X3D Semantic Web content is auto-generated so now is
> the time to resolve this naming issue before propagation takes off.
> Hopefully we can place a redirect or warning at the prior website URL for
> anyone trying to use that.
> >
> > As ever, good motivation:
> >
> > * "The answer to your question is the response to the query." Jim
> Hendler and Dean Allemang
> >
> > Request feedback so that we can discuss and reach consensus promptly,
> hopefully during weekly teleconference tomorrow Monday 3 FEB.
>
> For next week, it is not clear if our schedules can align.  We will try
> and will use email/phone otherwise.
>
> Have fun with X3D Semantic Web!  8)
>
> all the best, Don
> --
> Don Brutzman  Naval Postgraduate School, Code USW/Br
> brutzman at nps.edu
> Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA   +1.831.656.2149
> X3D graphics, virtual worlds, navy robotics
> http://faculty.nps.edu/brutzman
>
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