Review current graph pattern and get feedback

[amoeba]

On our last weekly salmantics call [1], we agreed we should work towards closing out some of the graph pattern issues and PRs in order to get a solid first pattern down.

We have an open PR: https://github.com/DataONEorg/slinky/pull/21 which includes a discussion. The high points include:

• Include prov
• Review how we're handling various identifier types (pid, sid, etc)
• Agree on how we're modeling Dataset/Metadata/Entity/Package

I'm going put together a hackpad with a handful of datasets that'll help us find the gaps and issues.

[1] https://docs.google.com/document/d/1Sc3m526EDkT53s0uJQarV-zAVUVft7ObIii2wazHJrQ/edit

[amoeba]

Hackpad put together with three examples at https://hpad.dataone.org/9cvSZ4l0RaK-FHjlOcKmPw. If anyone wants to review this now please go ahead and comment in place in each linked document. I'll be bringing this up on tomorrow's salmantics call.

[amoeba]

Ahead of our meeting tomorrow to discuss this, I've re-done the example Turtle snippets to hopefully be more easy to digest on our call, see the links in https://hpad.dataone.org/9cvSZ4l0RaK-FHjlOcKmPw.

[amoeba]

Feedback has been solicited and summarized in #64 .