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/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://www.w3.org/2000/01/rdf-schema#label" }\t, "object": { "type": "literal", "value": "Introduction to Poetry" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/author" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Billy_Collins" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/countryOfOrigin" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/United_States" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/firstPublished" }\t, "object": { "type": "literal", "value": "1988" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/form" }\t, "object": { "type": "literal", "value": "free verse" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/genre" }\t, "object": { "type": "literal", "value": "contemporary poetry" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/includedIn" }\t, "object": { "type": "literal", "value": "school curricula" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/instanceOf" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/poetry" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/language" }\t, "object": { "type": "literal", "value": "English" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/notableFor" }\t, "object": { "type": "literal", "value": "\\"But all they want to do / is tie the poem to a chair with rope / and torture a confession out of it\\"" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/notableFor" }\t, "object": { "type": "literal", "value": "\\"I ask them to take a poem / and hold it up to the light\\"" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/publishedIn" }\t, "object": { "type": "literal", "value": "The Apple That Astonished Paris" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/subject" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/poetry" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/theme" }\t, "object": { "type": "literal", "value": "reading poetry" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/theme" }\t, "object": { "type": "literal", "value": "interpretation of poetry" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/theme" }\t, "object": { "type": "literal", "value": "teaching poetry" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/bfsLayer" }\t, "object": { "type": "literal", "value": "8" }},\n { "subject": { "type": "uri", "value": "https://gptkb.org/entity/Introduction_to_Poetry" }\t, "predicate": { "type": "uri", "value": "https://gptkb.org/prop/bfsParent" }\t, "object": { "type": "uri", "value": "https://gptkb.org/entity/Laurie_Magnus" }} ] } }Virtuoso S1TAT Error RC...: Returning incomplete results, query interrupted by result timeout. Activity: 56 rnd 19 seq 0 same seg 6 same pg 23 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/Introduction_to_Poetry")\n }\n '