On 26/06/2020 03:31, Irene Polikoff wrote:
Hi Richard,
We are glad to hear you are enjoying this new feature. 6.4 is the
first release of this feature and it was added relatively late in the
release cycle which is why it is currently marked as experimental.
We plan on extending the active data shapes support and its use within
EDG even further for the next release. And we want to provide more
documentation. With this, the experimental tag will definitely go away
before the year end.
Let's see if Holger has something else to add.
For an example of what's coming next (even in the 6.4 final release),
see http://datashapes.org/active/import.html which adds a new importer
framework for JSON, Spreadsheets and XML files (or any text-based format
really). It does so relatively effortlessly, through the flexibility of
having a general-purpose programming language integrated with a simple
RDF graph API. And the mapping from SHACL shapes to JavaScript classes
will hopefully make it easy for newcomers to get started.
The changes.txt log of 6.4 includes some details of the state and what's
on the horizon:
- Feature: TBS-2949: First preview of the experimental Shape Script
feature. Included for feedback from early adopters.
Known limitations/unfinished pieces:
- Only server-side JavaScript execution (neither Python, nor
R, nor client-side JS execution)
- Limited system class API (rdfs_Class, sh_NodeShape etc).
These are currently injected from a "magic" file
system.shapes.ttl but for all this to function properly,
that really should be owl:imported into all Ontologies.
- No proper API for iterative queries yet, i.e. you can
either fetch all property values or use SPARQL as-is.
- Buttons to interrupt scripts may sometimes leave unclosed
iterators.
- No real debugger/console yet. You can use print(...) to
print to System.out though.
- Only superficial integration with existing SWP modules for
now. These should become just JS functions.
- Almost none of the well-known SPARQL functions from
namespaces like teamwork, spif etc have been migrated to sh:Functions yet,
and therefore don't show up in their JS prefix object.
- May create too many copies of internal data structures and
GraalVM engines, e.g. not reuse the ontology across workflows.
Meanwhile we appreciate anyone's feedback (positive or negative) to fine
tune and further improve this work.
For example, would anyone be interested in Python support?
Thanks,
Holger
For those on the mailing list who have not yet heard about Active Data
Shapes, please see http://datashapes.org/active/. The video linked
below is rather long. If you want to go directly to the part of the
video that introduces active data shapes, fast forward to 40:15.
Regards,
Irene
On Jun 25, 2020, at 1:13 PM, Richard Dijkstra
<[email protected]
<mailto:[email protected]>> wrote:
Dear all,
I have looked at the webinar of Holger about shapes
http://www.lotico.com/index.php/The_Many_Shapes_of_SHACL
<http://www.lotico.com/index.php/The_Many_Shapes_of_SHACL> and have
been experimenting prompt with the script editor and used *dot
notation for updating triples!* A great exprience.
The state of this feature of active data shapes is experimental but
works already perfectly. Can you say more about the expectation when
the tag experimental is removed?
Richard D
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