Each Wikidata property has a unique identifier build of “P” followed by a natural number. For instance “P40” denotes the property “child” that is used to connect Wikidata items about parents with items about their childs. wdmapper requires properties to have an URL template and to be of datatype external identifier: this applies for instance to “P214” but not to “P40”.
property by identifier
$ wdmapper P214
property by URI or URL
$ wdmapper http://www.wikidata.org/entity/P214 $ wdmapper https://www.wikidata.org/wiki/Property:P214
property by URL template. The placeholder
$1can be omitted at the end of an URL
$ wdmapper 'https://viaf.org/viaf/$1' $ wdmapper https://viaf.org/viaf/
property by label (in any language)
$ wdmapper 'VIAF ID'
Properties can be specified as arguments and as part of mapping metadata in BEACON input format.
Each mapping has