[x3d-public] X3D Semantic Web Working Group agenda, Monday 5 AUG 2019

Sun Aug 4 19:30:50 PDT 2019

We are resuming our weekly meetings, with continuing enthusiasm!

	X3D Semantic Web Working Group
	https://www.web3d.org/working-groups/x3d-semantic-web

Mission: "The X3D Semantic Web Working Group mission is to publish models to the Web using X3D in order to best gain Web interoperability and enable intelligent 3D applications, feature-based 3D model querying, and reasoning over 3D scenes."

Suggested motto, with thanks to Jim Hendler: "the answer to your question is the response to the query."  8)

The following detailed agenda should get us going, helping people get caught up.  We'll add discussion points during the meeting to create regular minutes - further topics welcome.  I am returning to work after two weeks away at conferences and can scribe for the first hour.

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Agenda for Monday 5 AUG 2019, 08-0900 pacific:

1. *Conferences* Review of Web3D Conference, Workshop and SIGGRAPH.

a. The workshop went well despite severe audiovisual difficulties for the first half hour.  Abstract and slideset:

https://www.web3d.org/x3d/content/semantics/documentation/workshops/SemanticWeb3DWorkshop.2019July27.pdf
https://www.web3d.org/x3d/content/semantics/documentation/workshops/SemanticWeb3DWorkshop.2019July27.zip (latex source)

https://www.web3d.org/x3d/content/semantics/documentation/workshops/X3dSemanticWebWorkingGroupCollectedConcepts.2019July27.pdf

still editable at
https://docs.google.com/presentation/d/1LUaBueJ6qzdYhPZ3HApT9GZIz4Ma0AnBwBWnAxqrQAI/

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b. Jamie Wittenberg of University of Indiana (cc:ed) gave a great presentation, excellent discussions followed.

https://www.web3d.org/x3d/content/semantics/documentation/workshops/WittenbergPreservationAccessReuseAdvancing3dVrStrategyInResearchLibrary.Web3d2019.pdf
https://www.web3d.org/x3d/content/semantics/documentation/workshops/WittenbergPreservationAccessReuseAdvancing3dVrStrategyInResearchLibrary.Web3d2019.pptx

3D Collection Strategies
https://lib.vt.edu/research-learning/lib3dvr.html

Hoping we can invite her to an upcoming meeting for a dedicated discussion on this topic.

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2. *Website* Review and confirmation of requested website changes:

a. Currently we have access to update

	https://www.web3d.org/x3d/content/semantics/

We have asked for this tree to move to top level:

	https://www.web3d.org/semantics/

which will allow us to make IRI identifiers identically available as URL addresses for direct retrieval.

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b. Getting busier without clobbering x3d-public mailing list: we need to make semantics at web3D.org a public mailing list.  Alternatively, create a semantics-public at web3D.org mailing list.  Thoughts?

	https://www.web3d.org/member/member-only-mailing-lists
	http://web3d.org/mailman/listinfo/semantics_web3d.org

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3. *Ontology*

a. Announcement, followup messages with links

	X3D Semantic Web announce: new X3D Ontology
	http://web3d.org/pipermail/x3d-public_web3d.org/2019-June/011003.html

b. Helpful feedback from Marc Petit (copied):

	[Semantics] Feedback on the X3D ontology
	Thu Jul 25 08:59:22 PDT 2019
	http://web3d.org/mailman/private/semantics_web3d.org/2019-July/000032.html

c. I have a number of small additions to X3D Unified Object Model (X3DUOM) occurring as a result of Python package autogeneration.  They will produce some corresponding changes to internals of the X3D ontology.

	X3D Ontology 4.0 (initial draft)
	https://www.web3d.org/x3d/content/semantics/ontologies/X3dOntology4.0.ttl

Of note,
- we test changes with Protege and Manchester OWL, certainly prior to any published updates.
- we are doing what we can with decorated XSD -> X3DUOM -> ontology to establish a baseline.
- we are adding other things that are needed, typically in directions Leslie has pointed us.
- building a set of SPARQL queries will help a lot.

Current worklist excerpted from ontology follows.  Review and improvements welcome.

###############################################

# X3D Ontology

###############################################

# Design Plan

# - Show current work and plans at Web3D 2019 for discussion and comment
# - Continue testing X3D Ontology with SPARQL queries
# - Show interesting inferencing within/among X3D models
# - Consider adding semantic metadata to models in X3D Examples Archive
# -    https://www.web3d.org/x3d/content/examples/X3dResources.html#Examples
# - Add relations and rules for mapping 3D-specific and domain-specific ontologies
# - Build knowledge bases from current X3D scenes (initially)
# - Continue following patterns in Leslie Sikos' t3dmo.ttl to provide relations
# -    to other 3D file formats (perhaps OBJ first, then Max and others)
# - Write parsers for other 3D formats using Data Format Description Language (DFDL)
# -    https://daffodil.apache.org
# - Demonstrate general 3D query and inferencing capabilities for multiple formats

###############################################

d. Next steps.

Jakub, might you provide queries such as those we started to do during your visit?

3. TODO X3D Ontology descriptive web page is much needed.  Suggested sections:

- basic information such as that appearing here
- Instructions for testing in Manchester OWL Validator
- Instructions for running in Protege
- Making queries
- etc. etc.

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Connection information:

	Web3d.org member login
	MEMBERS > RESOURCES > TELECONFERENCE
	https://www.web3d.org/member/teleconference-information

	Monday 08-0900 pacific, Join URL https://zoom.us/j/285331611

One tap mobile

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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