Thank you Mark and Irene!
I am aware of EVN but we are not considering migrating to it as this
point. But it's good to know that it supports this functionality.
Did I understand correctly that there is no way to get this
functionality in TBC Standard? I mean, I'd like to have something like
this in the RDF data:
:MyClass a owl:Class ;
rdfs:label "My class"@en ;
dct:created "2014-06-01"^^xsd:date ;
dct:modified "2014-10-07"^^xsd:date .
(actually perhaps with xsd:dateTime and more granularity)
And these timestamp fields should auto-update.
They could be in the edited graph, or perhaps another graph.
SPIN? SPARQLMotion?
Best regards,
Osma
07.10.2014, 19:01, Irene Polikoff wrote:
TBC automatically keeps a change log in memory to enable its undo
operations. You can see it in the Change History view, but it is not
persisted and is cleared once the file is closed.
TopBraid EVN, on the other hand, does exactly what you are asking for.
Each change is persisted together with a time stamp and a user ID. Each
model that is being developed using EVN has two graphs - graph
containing the model itself and graph containing all the changes to the
model plus a few additional pieces of metadata.
You can try EVN in a standalone single user mode in TBC Maestro Edition
(as per Mark's instructions) or you can request an evaluation account on
our server (from a link on this page
http://www.topquadrant.com/products/topbraid-enterprise-vocabulary-net/) to
experience it in a collaborative mode with multiple users.
Irene
On Oct 7, 2014, at 11:29 AM, Mark Graham <[email protected]
<mailto:[email protected]>> wrote:
Hi Osma,
Also, this function is available in our EVN product. A good way to see
that product using TBC is from the main menu. Choose System > Open
TopBraid EVN. In my example - I edited the Geography Taxonomy and
changed the country - Albania to Albaniaabc. This was then reflected
in the Change History form in EVN. I will send you steps and a
screenshot of that example.
To learn more about EVN as well you can link here.
http://www.topquadrant.com/products/topbraid-enterprise-vocabulary-net/
Thanks,
Mark
Mark Graham
TopQuadrant Support
On Tue, Oct 7, 2014 at 3:25 AM, Osma Suominen
<[email protected] <mailto:[email protected]>> wrote:
Hi all,
We're using TopBraid Composer Standard to edit an ontology with
lots of OWL classes. We'd like to keep track of when classes
change (e.g. labels are added or modified, or properties changed).
Is there an easy way to have the editor keep track of metadata
such as created and modified timestamps? I'd imagine something
like SPIN rules or triggers could be useful for this.
I found this blog posting about change metadata:
http://topquadrantblog.__blogspot.fi/2009/09/creating-__and-managing-metadata-about.__html
<http://topquadrantblog.blogspot.fi/2009/09/creating-and-managing-metadata-about.html>
It mentions that "TopBraid Composer inserts change statements
automatically". But I have not seen such statements in our data.
Is this something that has to be enabled somewhere?
Thanks for any help,
Osma
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National Library of Finland
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00014 HELSINGIN YLIOPISTO
Tel. +358 50 3199529 <tel:%2B358%2050%203199529>
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National Library of Finland
P.O. Box 26 (Teollisuuskatu 23)
00014 HELSINGIN YLIOPISTO
Tel. +358 50 3199529
[email protected]
http://www.nationallibrary.fi
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