Query error: EndPointInternalError: The endpoint returned the HTTP status code 500. Response: b'\n{ "head": { "link": [], "vars": ["subject", "predicate", "object"] },\n "results": { "distinct": false, "ordered": true, "bindings": [\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://www.w3.org/2000/01/rdf-schema#label" }\t, "object": { "type": "literal", "value": "Willem Janszoon Blaeu" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/birthDate" }\t, "object": { "type": "literal", "value": "1571" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/birthPlace" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Uitgeest" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/child" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Joan_Blaeu" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/deathDate" }\t, "object": { "type": "literal", "value": "1638" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/deathPlace" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Amsterdam" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/employer" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Dutch_East_India_Company" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/founded" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Blaeu_publishing_house" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/instanceOf" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/publisher" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/instanceOf" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/cartographer" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/instanceOf" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/globe_maker" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/knownFor" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/world" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/knownFor" }\t, "object": { "type": "literal", "value": "atlases" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/knownFor" }\t, "object": { "type": "literal", "value": "wall maps" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/nationality" }\t, "object": { "type": "literal", "value": "Dutch" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/notableWork" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Blaeu_globes" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/notableWork" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Atlas_Novus" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/occupation" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/instrumental" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/occupation" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/publisher" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/occupation" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/cartographer" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/studiedIn" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Tycho_Brahe" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/bfsLayer" }\t, "object": { "type": "literal", "value": "7" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/bfsParent" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/P_Cygni" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Willem_Janszoon_Blaeu" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/bfsParent" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Petrus_Plancius" }} ] } }Virtuoso S1TAT Error RC...: Returning incomplete results, query interrupted by result timeout. Activity: 62 rnd 25 seq 0 same seg 8 same pg 24 same par 0 disk 0 spec disk 0B / 0 messa\n\nSPARQL query:\n\n SELECT ?subject ?predicate ?object\n WHERE {\n ?subject ?predicate ?object .\n FILTER (STR(?subject) = "https://gptkb.org/entity/Willem_Janszoon_Blaeu")\n }\n '