Triple

T148283
Position Surface form Disambiguated ID Type / Status
Subject Spencer-Churchill family E3375 entity
Predicate notableMember P10 FINISHED
Object John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough
John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough, was a British aristocrat and landowner who presided over Blenheim Palace and was a prominent member of the Churchill-Spencer-Churchill lineage.
E34731 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough | Statement: [Spencer-Churchill family, notableMember, John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough
Context triple: [Spencer-Churchill family, notableMember, John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough]
  • A. George Charles Spencer-Churchill, 8th Duke of Marlborough
    George Charles Spencer-Churchill, 8th Duke of Marlborough, was a prominent British aristocrat and landowner of the Spencer-Churchill family who held the dukedom of Marlborough in the late 19th and early 20th centuries.
  • B. Charles Spencer-Churchill, 9th Duke of Marlborough
    Charles Spencer-Churchill, 9th Duke of Marlborough, was a prominent British aristocrat and landowner of the late 19th and early 20th centuries, known for his stewardship of Blenheim Palace and his high-profile marriage to American heiress Consuelo Vanderbilt.
  • C. John Winston Spencer-Churchill, 7th Duke of Marlborough
    John Winston Spencer-Churchill, 7th Duke of Marlborough, was a prominent 19th-century British Conservative politician and aristocrat who served as Lord Lieutenant of Ireland and was the grandfather of Prime Minister Winston Churchill.
  • D. George Spencer-Churchill, 5th Duke of Marlborough
    George Spencer-Churchill, 5th Duke of Marlborough, was a British aristocrat and politician who served as Lord Chamberlain and was a prominent member of the influential Churchill-Marlborough lineage in the late 18th and early 19th centuries.
  • E. John Spencer-Churchill, 10th Duke of Marlborough
    John Spencer-Churchill, 10th Duke of Marlborough, was a prominent British aristocrat and landowner of the late 19th and early 20th centuries, head of the Marlborough ducal line and custodian of Blenheim Palace.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough
Triple: [Spencer-Churchill family, notableMember, John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough]
Generated description
John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough, was a British aristocrat and landowner who presided over Blenheim Palace and was a prominent member of the Churchill-Spencer-Churchill lineage.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough
Target entity description: John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough, was a British aristocrat and landowner who presided over Blenheim Palace and was a prominent member of the Churchill-Spencer-Churchill lineage.
  • A. George Charles Spencer-Churchill, 8th Duke of Marlborough
    George Charles Spencer-Churchill, 8th Duke of Marlborough, was a prominent British aristocrat and landowner of the Spencer-Churchill family who held the dukedom of Marlborough in the late 19th and early 20th centuries.
  • B. Charles Spencer-Churchill, 9th Duke of Marlborough
    Charles Spencer-Churchill, 9th Duke of Marlborough, was a prominent British aristocrat and landowner of the late 19th and early 20th centuries, known for his stewardship of Blenheim Palace and his high-profile marriage to American heiress Consuelo Vanderbilt.
  • C. John Winston Spencer-Churchill, 7th Duke of Marlborough
    John Winston Spencer-Churchill, 7th Duke of Marlborough, was a prominent 19th-century British Conservative politician and aristocrat who served as Lord Lieutenant of Ireland and was the grandfather of Prime Minister Winston Churchill.
  • D. George Spencer-Churchill, 5th Duke of Marlborough
    George Spencer-Churchill, 5th Duke of Marlborough, was a British aristocrat and politician who served as Lord Chamberlain and was a prominent member of the influential Churchill-Marlborough lineage in the late 18th and early 19th centuries.
  • E. John Spencer-Churchill, 10th Duke of Marlborough
    John Spencer-Churchill, 10th Duke of Marlborough, was a prominent British aristocrat and landowner of the late 19th and early 20th centuries, head of the Marlborough ducal line and custodian of Blenheim Palace.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a252868de4819080e21c9938bfe8b6 completed Feb. 28, 2026, 2:27 a.m.
NER Named-entity recognition batch_69a257ecb6f48190992c4c8ca908a81c completed Feb. 28, 2026, 2:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69a389a873d48190ac41ff919027688a completed March 1, 2026, 12:34 a.m.
NEDg Description generation batch_69a38a1053fc819089599155120c3b83 completed March 1, 2026, 12:36 a.m.
NED2 Entity disambiguation (via description) batch_69a38a5b53bc8190bf87f9260850fe9b completed March 1, 2026, 12:37 a.m.
Created at: Feb. 28, 2026, 2:31 a.m.