query-3c9e5bc51e161a608753584e640602b5

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX bd: <http://www.bigdata.com/rdf#>
select distinct ?item ?itemLabel ?pm20 ?viewer ?workCount
where {
  # all research expeditions
  ##?expedition wdt:P31 wd:Q366301 .
  # alternatively: all expeditions of any type
  ?expedition p:P31/ps:P31/wdt:P279* wd:Q2401485 .
  ?item wdt:P1344 ?expedition ;
        # with PM20 id
        wdt:P4293 ?pm20Id .
  # restrict to items with online accessible articles
  ?item p:P4293/pq:P5592 ?workCount .
  filter(?workCount > 0)
  # optional image
  optional { ?item wdt:P18 ?image . }
  # PM20 Link
  bind(uri(concat('http://purl.org/pressemappe20/folder/', ?pm20Id)) as ?pm20)
  # viewer link
  bind(substr(?pm20Id, 4, 4) as ?numStub)
  bind(substr(?pm20Id, 4, 6) as ?num)
  bind(uri(concat('http://dfg-viewer.de/show/?tx_dlf[id]=http://zbw.eu/beta/pm20mets/', ?numStub, 'xx/', ?num, '.xml')) as ?viewer)
  # add labels
  service wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en, de, fr, es, nl, pl, ru". }
}
order by desc (?workCount)

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?expedition") v5("?image") v3("?item"):::projected v8("?num") v7("?numStub") v6("?pm20"):::projected v4("?pm20Id") v9("?viewer"):::projected v1("?workCount"):::projected a1((" ")) a2((" ")) a3((" ")) c5(["wd:Q2401485"]):::iri c14(["#91;AUTO_LANGUAGE#93;,en, de, fr, es, nl, pl, ru"]):::literal c12(["bd:serviceParam"]):::iri f0[["?workCount > '0^^xsd:integer'"]] f0 --> v1 v2 --"p:P31"--> a1 a1 --"p:statement/P31"--> a2 a2 --"p:direct/P279"--> c5 v3 --"p:direct/P1344"--> v2 v3 --"p:direct/P4293"--> v4 v3 --"p:P4293"--> a3 a3 --"p:qualifier/P5592"--> v1 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v3 -."p:direct/P18".-> v5 end bind1[/"concat('http://purl.org/pressemappe20/folder/',?pm20Id)"/] v4 --o bind1 bind1 --as--o v6 bind2[/"substring(?pm20Id,'4^^xsd:integer','4^^xsd:integer')"/] v4 --o bind2 bind2 --as--o v7 bind3[/"substring(?pm20Id,'4^^xsd:integer','6^^xsd:integer')"/] v4 --o bind3 bind3 --as--o v8 bind4[/"concat('http://dfg-viewer.de/show/?tx_dlf#91;id#93;=http://zbw.eu/beta/pm20mets/',?numStub,'xx/',?num,'.xml')"/] v7 --o bind4 v8 --o bind4 bind4 --as--o v9 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c12 --"wikibase:language"--> c14 end