Hi Valerio,
Sure, the extension includes an abstract class SMWOntology that can be
inherited as you wish.
What you'll get are methods for storing (page/subobject) property values
and also update.php -related processing...
And of course, you'll be able to examine the concrete classes when
creating your own.
That said, I urge you nonetheless to consider identifying any
relationships that exist between your own properties and properties
established for public discourse -- that's what "smw:subProperty of" and
a few other properties are used for.
Good question/thanks - john
On 5/8/2015 11:43 PM, Valerio wrote:
What if I'd create my own Ontology (i.e. NOT based on DC)?
BR/Valerio
On 8 May 2015 at 22:22, John McClure <jmccl...@hypergrove.com
<mailto:jmccl...@hypergrove.com>> wrote:
Hi,
Over the next month or so I am releasing a number of ontologies
each as an SMW extension. All installed ontologies will be listed
on the Special:Version page in a new section named "Semantic
Ontologies".
For instance one of the ontologies is named "Dublin Core" (whose
namespace prefix is "dc") - its extension contains just one parser
function (named "dc") that is used to validate and then set the
value(s) on a page for any of the properties defined by that
ontology. (Please see http://dublincore.org/ for official
documentation regarding this ontology.)
So if you want to set the property "dc:title" for a page, then
simply call {{dc:title|/here is the formal title of a page/}}. For
multilingual wikis, one says {{dc:title|@en=/english formal
title/|@de=/german title/|...}}; the parser function in this
latter case creates a subobject named "dc:title" with properties
named appropriately eg @en and @de.
You may want to create your own property that is a "dc:title" but
which is to have a different name, here's all you do:
1) insert [[ smw:subProperty Of::dc:title]] on (say) your
"Property:Report name" page
2) call {{dc:title|{{{1|}}}|...|set property=Report name}} on a
page or within your "class" template
Validation errors are stored in special property "smw:error" that
can be reported using {{#ask:}}. A property value is not stored if
a validation error is raised.
A base ontology named "smw" is the first to be released,
implemented as described above; it contains properties and classes
builtin to, or implied by, the MediaWiki and Semantic MediaWiki
software -- these properties and classes form the lowest level
ontology upon which ALL other classes and properties are then
defined (that is, via class/subclass and property/subproperty
relations).
I am working on an update.php -based mechanism for loading
Property and Category pages into one's wiki referenced by these
ontology parser functions. It also loads a page named "Ontology:
/name/" into the Concept namespace of the wiki so that users may
conveniently access information about the ontology.
Thanks in advance for your feedback.
--
thanks/john
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thanks/john
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