PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX bd: <http://www.bigdata.com/rdf#>
# Works of antiquity and slightly beyond
SELECT DISTINCT ?item ?itemLabel
  (GROUP_CONCAT(DISTINCT ?bekker; separator=", ") as ?Bekker)
  (GROUP_CONCAT(DISTINCT ?bhg; separator=", ") as ?BHG)
  (GROUP_CONCAT(DISTINCT ?bhl; separator=", ") as ?BHL)
  (GROUP_CONCAT(DISTINCT ?chap; separator=", ") as ?CHAP)
  (GROUP_CONCAT(DISTINCT ?cpg; separator=", ") as ?CPG)
  (GROUP_CONCAT(DISTINCT ?cpl; separator=", ") as ?CPL)
  (GROUP_CONCAT(DISTINCT ?digiliblt; separator=", ") as ?Digiliblt)
  (GROUP_CONCAT(DISTINCT ?dll; separator=", ") as ?DLL)
  (GROUP_CONCAT(DISTINCT ?icl; separator=", ") as ?ICL)
  (GROUP_CONCAT(DISTINCT ?mqdq; separator=", ") as ?MQDQ)
  (GROUP_CONCAT(DISTINCT ?perry; separator=", ") as ?Perry)
  (GROUP_CONCAT(DISTINCT ?pinakes; separator=", ") as ?Pinakes)
  (GROUP_CONCAT(DISTINCT ?phi; separator=", ") as ?PHI)
  (GROUP_CONCAT(DISTINCT ?topos; separator=", ") as ?Topos)
  (GROUP_CONCAT(DISTINCT ?walther; separator=", ") as ?Waltger)
# (GROUP_CONCAT(DISTINCT ?viaf; separator=", ") as ?VIAF)

WHERE {
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],la". }
  { ?item wdt:P2683 ?bekker } UNION
  { ?item wdt:P7987 ?bhg } UNION
  { ?item wdt:P7924 ?bhl } UNION
  { ?item wdt:P11861 ?chap } UNION
  { ?item wdt:P7988 ?cpg } UNION
  { ?item wdt:P7980 ?cpl } UNION
  { ?item wdt:P8310 ?digiliblt } UNION
  { ?item wdt:P10934 ?icl } UNION  
  { ?item wdt:P8312 ?mqdq } UNION
  { ?item wdt:P1852 ?perry } UNION
  { ?item wdt:P12200 ?pinakes } UNION
  { ?item wdt:P8311 ?phi } UNION
  { ?item wdt:P8070 ?topos } UNION
  { ?item wdt:P10973 ?walther }
  OPTIONAL { ?item wdt:P8123 ?dll }
# OPTIONAL { ?item wdt:P214 ?viaf } UNION

}

GROUP BY ?item ?itemLabel

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v18("?BHG") v19("?BHL") v17("?Bekker") v20("?CHAP") v21("?CPG") v22("?CPL") v24("?DLL") v23("?Digiliblt") v25("?ICL") v26("?MQDQ") v29("?PHI") v27("?Perry") v28("?Pinakes") v30("?Topos") v31("?Waltger") v2("?bekker"):::projected v3("?bhg"):::projected v4("?bhl"):::projected v5("?chap"):::projected v6("?cpg"):::projected v7("?cpl"):::projected v8("?digiliblt"):::projected v16("?dll"):::projected v9("?icl"):::projected v1("?item"):::projected v10("?mqdq"):::projected v11("?perry"):::projected v13("?phi"):::projected v12("?pinakes"):::projected v14("?topos"):::projected v15("?walther"):::projected c4(["#91;AUTO_LANGUAGE#93;,la"]):::literal c2(["bd:serviceParam"]):::iri subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c2 --"wikibase:language"--> c4 end subgraph union0[" Union "] subgraph union0l[" "] style union0l fill:#abf,stroke-dasharray: 3 3; subgraph union1[" Union "] subgraph union1l[" "] style union1l fill:#abf,stroke-dasharray: 3 3; subgraph union2[" Union "] subgraph union2l[" "] style union2l fill:#abf,stroke-dasharray: 3 3; subgraph union3[" Union "] subgraph union3l[" "] style union3l fill:#abf,stroke-dasharray: 3 3; subgraph union4[" Union "] subgraph union4l[" "] style union4l fill:#abf,stroke-dasharray: 3 3; subgraph union5[" Union "] subgraph union5l[" "] style union5l fill:#abf,stroke-dasharray: 3 3; subgraph union6[" Union "] subgraph union6l[" "] style union6l fill:#abf,stroke-dasharray: 3 3; subgraph union7[" Union "] subgraph union7l[" "] style union7l fill:#abf,stroke-dasharray: 3 3; subgraph union8[" Union "] subgraph union8l[" "] style union8l fill:#abf,stroke-dasharray: 3 3; subgraph union9[" Union "] subgraph union9l[" "] style union9l fill:#abf,stroke-dasharray: 3 3; subgraph union10[" Union "] subgraph union10l[" "] style union10l fill:#abf,stroke-dasharray: 3 3; subgraph union11[" Union "] subgraph union11l[" "] style union11l fill:#abf,stroke-dasharray: 3 3; subgraph union12[" Union "] subgraph union12l[" "] style union12l fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P10973"--> v15 end subgraph union12r[" "] style union12r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P8070"--> v14 end union12r <== or ==> union12l end end subgraph union11r[" "] style union11r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P8311"--> v13 end union11r <== or ==> union11l end end subgraph union10r[" "] style union10r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P12200"--> v12 end union10r <== or ==> union10l end end subgraph union9r[" "] style union9r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P1852"--> v11 end union9r <== or ==> union9l end end subgraph union8r[" "] style union8r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P8312"--> v10 end union8r <== or ==> union8l end end subgraph union7r[" "] style union7r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P10934"--> v9 end union7r <== or ==> union7l end end subgraph union6r[" "] style union6r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P8310"--> v8 end union6r <== or ==> union6l end end subgraph union5r[" "] style union5r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P7980"--> v7 end union5r <== or ==> union5l end end subgraph union4r[" "] style union4r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P7988"--> v6 end union4r <== or ==> union4l end end subgraph union3r[" "] style union3r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P11861"--> v5 end union3r <== or ==> union3l end end subgraph union2r[" "] style union2r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P7924"--> v4 end union2r <== or ==> union2l end end subgraph union1r[" "] style union1r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P7987"--> v3 end union1r <== or ==> union1l end end subgraph union0r[" "] style union0r fill:#abf,stroke-dasharray: 3 3; v1 --"wdt:P2683"--> v2 end union0r <== or ==> union0l end subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P8123".-> v16 end bind15[/"?bekker"/] v2 --o bind15 bind15 --as--o v17 bind16[/"?bhg"/] v3 --o bind16 bind16 --as--o v18 bind17[/"?bhl"/] v4 --o bind17 bind17 --as--o v19 bind18[/"?chap"/] v5 --o bind18 bind18 --as--o v20 bind19[/"?cpg"/] v6 --o bind19 bind19 --as--o v21 bind20[/"?cpl"/] v7 --o bind20 bind20 --as--o v22 bind21[/"?digiliblt"/] v8 --o bind21 bind21 --as--o v23 bind22[/"?dll"/] v16 --o bind22 bind22 --as--o v24 bind23[/"?icl"/] v9 --o bind23 bind23 --as--o v25 bind24[/"?mqdq"/] v10 --o bind24 bind24 --as--o v26 bind25[/"?perry"/] v11 --o bind25 bind25 --as--o v27 bind26[/"?pinakes"/] v12 --o bind26 bind26 --as--o v28 bind27[/"?phi"/] v13 --o bind27 bind27 --as--o v29 bind28[/"?topos"/] v14 --o bind28 bind28 --as--o v30 bind29[/"?walther"/] v15 --o bind29 bind29 --as--o v31