{
  "context": [],
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  "solutionModifiers": {},
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    "type": "datasetClauses",
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      "sourceLocationType": "noMaterialize"
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      "type": "wildcard",
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  "loc": {
    "sourceLocationType": "inlinedSource",
    "newSource": "SELECT * WHERE { ?s !(^<http://p1>|^<http://p2>) ?o }",
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}