SPARQL

Endpoint

http://lod.onb.ac.at/sparql/akon

number of titles

PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT (count(DISTINCT ?title) as ?number_of_titles)
WHERE {
 [] dc:title ?title .
}

number of postcards

PREFIX edm: <http://www.europeana.eu/schemas/edm/>
SELECT (count(?postcards) as ?number_of)
WHERE {
 ?postcards edm:isShownAt [] .
}

Core EDM resources

edm:ProvidedCHO

Properties	Value
dc:date	date of the postcard, if available a range
dc:identifier	identifier of the postcard, used in http://data.onb.ac.at/AKON/{id} and IIIF requests
dc:type	postcard
dc:publisher
dc:creator	photographer
dcterms:spatial	city if it exists
dc:title	title as shown on http://akon.onb.ac.at/
dc:description	city > building > mountain > water_body > other
edm:type	always 'IMAGE'
edm:rights	http://rightsstatements.org/vocab/CNE/1.0/

ore:Aggregation

Properties	Value
edm:isShownAt	link to the postcard on the AKON Homepage
edm:provider	always 'Austrian National Library'
edm:isShownBy	links to the postcard and is described in edm:WebResource

edm:WebResource for digital representations

postcard

Properties	Value
sioc:has_service	connecting the WebResource to a resource of type sioc:Service
dcterms:isReferencedBy	connects to a IIIF manifest URI

Classes for contextual resources

sioc:Service

Properties	Value
dcterms:conformsTo	indicating that the WebService conforms to the IIIF profile
doap:implements	indicating that the WebService implements the IIIF protocol