- From: Frank Steimke <f-steimke@b...>
- To: xml-dev@l...
- Date: Fri, 18 Feb 2022 08:11:18 +0100
The topics of the sematic web are still relatively new to me. I
am trying to understand the different standards and technologies.
I came across two articles that are very skeptical about OWL, and
recommend SHACL instead.
* Why I Don’t Use OWL Anymore www.topquadrant.com/owl-blog/
* Why I Use SHACL For Defining Ontology Models www.topquadrant.com/shacl-blog/
Since i have no own experience, i am unable to make a judgement
yet. What do you think about the critical statements about OWL?
Frank Steimke
Am 17.02.22 um 10:23 schrieb Stephen D
Green:
Why RDF? Why not OWL?
On Thu, 17 Feb 2022 at
09:09, Hans-Juergen Rennau < hrennau@y...>
wrote:
A very interesting point, which I read
as this: if you take responsibility for large-scale
data modeling, think twice before daring to do it
without being backed by an RDF view of the things you
are dealing with.
Large-scale data modeling is, of course,
the work of a very small group of people. On the other
hand, what is of immediate and practical importance
for a major part of development work is APIs. As you
did not mention them, I suppose there are no important
NIEM-related APIs which are based on RDF. If indeed
not, this would even be a little surprising - could
not graph patterns be important for users of NIEM
encoded data?
Am Mittwoch, 16. Februar 2022, 23:46:18 MEZ hat
Webb Roberts < webb@w...>
Folgendes geschrieben:
On Feb 15, 2022, at 05:16, Hans-Juergen
Rennau < hrennau@y...>
wrote:
Thank you, Webb. One
question: was the alignment of XML
and RDF important for the use
of the data? Such importance can be
easily imagined - e.g. graph queries
revealing patterns difficult to
detect without a graph
representation - but if it has been
actually experienced is of course a
different question.
I would say that NIEM's alignment
between XML and RDF is *very* important
for use of the data.
XML and XML Schema don't address a lot
of issues fundamental to understanding
data. What does a block of XML mean? What
does type extension mean? What does an
element containing another element mean?
By defining the interpretation of NIEM
data based on RDF, we get a real semantic
model that explains a lot about the
meaning of any given block of data.
But a lot of people don't care about
that level of detail about the meaning of
data — it's too philosophical, too
esoteric.
For them, the XML data looks like a
straightforward use of XML - elements with
sub-elements, types with base types,
IDREFs linking to IDs - all clearly named
and not too hard to understand.
However, the rigor that the XML–RDF
alignment provided helped to ensure that a
lot of things were done in a consistent
manner across a very large number of data
definitions. And that diligence helps make
a big pile of data understandable. The
alignment to RDF benefits everyone who
uses it, even those who don't care at all
about RDF.
--
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- From: Stephen D Green <stephengreenubl@g...>
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