Triple

T9701667

Position	Surface form	Disambiguated ID	Type / Status
Subject	Lady Susan Stewart	`E234790`	entity
Predicate	spouseNobleTitle	`P17687`	FINISHED
Object	5th Duke of Marlborough The 5th Duke of Marlborough was an 18th-century British aristocrat and politician from the prominent Churchill family, known for his tenure as a peer and his stewardship of the Marlborough estates.	`E861208`	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: 5th Duke of Marlborough | Statement: [Lady Susan Stewart, spouseNobleTitle, 5th Duke of Marlborough]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: 5th Duke of Marlborough
Context triple: [Lady Susan Stewart, spouseNobleTitle, 5th Duke of Marlborough]

A. 6th Duke of Marlborough
The 6th Duke of Marlborough, George Spencer-Churchill, was a prominent 19th-century British aristocrat and politician from the influential Spencer-Churchill family, associated with Blenheim Palace.
B. 8th Duke of Marlborough
The 8th Duke of Marlborough, George Charles Spencer-Churchill, was a British aristocrat and landowner from the prominent Spencer-Churchill family, known for his role in late 19th- and early 20th-century high society and as a relative of Winston Churchill.
C. 10th Duke of Marlborough
The 10th Duke of Marlborough, John Albert William Spencer-Churchill, was a British aristocrat and landowner who presided over Blenheim Palace in the mid-20th century as a prominent member of the Spencer-Churchill family.
D. 7th Duke of Marlborough
The 7th Duke of Marlborough was a prominent 19th-century British aristocrat and politician, best known as the grandfather of Sir Winston Churchill and a leading figure in Victorian high society.
E. 12th Duke of Marlborough
The 12th Duke of Marlborough, Charles James Spencer-Churchill, is a British aristocrat and landowner who heads the Spencer-Churchill family and presides over the Blenheim Palace estate.
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: 5th Duke of Marlborough
Triple: [Lady Susan Stewart, spouseNobleTitle, 5th Duke of Marlborough]

Generated description

The 5th Duke of Marlborough was an 18th-century British aristocrat and politician from the prominent Churchill family, known for his tenure as a peer and his stewardship of the Marlborough estates.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: 5th Duke of Marlborough
Target entity description: The 5th Duke of Marlborough was an 18th-century British aristocrat and politician from the prominent Churchill family, known for his tenure as a peer and his stewardship of the Marlborough estates.

A. 6th Duke of Marlborough
The 6th Duke of Marlborough, George Spencer-Churchill, was a prominent 19th-century British aristocrat and politician from the influential Spencer-Churchill family, associated with Blenheim Palace.
B. 8th Duke of Marlborough
The 8th Duke of Marlborough, George Charles Spencer-Churchill, was a British aristocrat and landowner from the prominent Spencer-Churchill family, known for his role in late 19th- and early 20th-century high society and as a relative of Winston Churchill.
C. 10th Duke of Marlborough
The 10th Duke of Marlborough, John Albert William Spencer-Churchill, was a British aristocrat and landowner who presided over Blenheim Palace in the mid-20th century as a prominent member of the Spencer-Churchill family.
D. 7th Duke of Marlborough
The 7th Duke of Marlborough was a prominent 19th-century British aristocrat and politician, best known as the grandfather of Sir Winston Churchill and a leading figure in Victorian high society.
E. 12th Duke of Marlborough
The 12th Duke of Marlborough, Charles James Spencer-Churchill, is a British aristocrat and landowner who heads the Spencer-Churchill family and presides over the Blenheim Palace estate.
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_69ca84cc78808190a56f3402b7c139a7`	completed	March 30, 2026, 2:12 p.m.
NER	Named-entity recognition	`batch_69cd9d70f55c8190934f37c25e9d4ba4`	completed	April 1, 2026, 10:34 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69d7faf8c1048190a136289a44a0930b`	completed	April 9, 2026, 7:16 p.m.
NEDg	Description generation	`batch_69d81c40dc6081908cc186ee6cd0814e`	completed	April 9, 2026, 9:38 p.m.
NED2	Entity disambiguation (via description)	`batch_69d8277fbf0881908a1e16d6c07886e6`	completed	April 9, 2026, 10:26 p.m.

Created at: March 30, 2026, 8:18 p.m.