query-b438672bfe52e55872c629fef3a0b208

PREFIX schema: <http://schema.org/>
select ?item ?article ?wiki {
  ?article schema:about ?item ;
           schema:isPartOf ?wiki filter not exists { ?article2 schema:about ?item filter (?article != ?article2)}
} limit 3000

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?article"):::projected v2("?article2") v3("?item"):::projected v4("?wiki"):::projected f0[["not "]] subgraph f0e0["Exists Clause"] e0f0[["?article != ?article2"]] e0f0 --> e0v1 e0f0 --> e0v2 e0v2 --"schema:about"--> e0v3 e0v1("?article"):::projected e0v2("?article2"):::projected e0v3("?item"):::projected end f0--EXISTS--> f0e0 f0 --> v1 f0 --> v2 f0 --> c1 f0 --> v3 f1[["?article != ?article2"]] f1 --> v1 f1 --> v2 v2 --"schema:about"--> v3 v1 --"schema:about"--> v3 v1 --"schema:isPartOf"--> v4