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 skype:hypergrove
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