Triple

T555764
Position Surface form Disambiguated ID Type / Status
Subject Mayfair E11937 entity
Predicate historicallyOwnedBy P347 FINISHED
Object Duke of Westminster
The Duke of Westminster is a hereditary British peerage title held by the head of the Grosvenor family, one of the United Kingdom’s wealthiest landowning dynasties with extensive property holdings in central London and beyond.
E78235 NE FINISHED

How this triple was built (5 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: Duke of Westminster | Statement: [Mayfair, historicallyOwnedBy, Duke of Westminster]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Duke of Westminster
Context triple: [Mayfair, historicallyOwnedBy, Duke of Westminster]
  • A. John Strange Spencer-Churchill
    John Strange Spencer-Churchill was a British Army officer and the younger brother of Prime Minister Winston Churchill, known for his military service and role within the prominent Spencer-Churchill family.
  • B. Charles James Spencer-Churchill, 12th Duke of Marlborough
    Charles James Spencer-Churchill, 12th Duke of Marlborough, is a British aristocrat and landowner who inherited the dukedom and Blenheim Palace, continuing the prominent Spencer-Churchill family line.
  • C. 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.
  • D. Adolphus, Duke of Cambridge
    Adolphus, Duke of Cambridge was a British prince, military commander, and the tenth child of King George III who served as Viceroy of Hanover in the early 19th century.
  • E. 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.
  • 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: Duke of Westminster
Triple: [Mayfair, historicallyOwnedBy, Duke of Westminster]
Generated description
The Duke of Westminster is a hereditary British peerage title held by the head of the Grosvenor family, one of the United Kingdom’s wealthiest landowning dynasties with extensive property holdings in central London and beyond.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Duke of Westminster
Target entity description: The Duke of Westminster is a hereditary British peerage title held by the head of the Grosvenor family, one of the United Kingdom’s wealthiest landowning dynasties with extensive property holdings in central London and beyond.
  • A. John Strange Spencer-Churchill
    John Strange Spencer-Churchill was a British Army officer and the younger brother of Prime Minister Winston Churchill, known for his military service and role within the prominent Spencer-Churchill family.
  • B. Charles James Spencer-Churchill, 12th Duke of Marlborough
    Charles James Spencer-Churchill, 12th Duke of Marlborough, is a British aristocrat and landowner who inherited the dukedom and Blenheim Palace, continuing the prominent Spencer-Churchill family line.
  • C. 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.
  • D. Adolphus, Duke of Cambridge
    Adolphus, Duke of Cambridge was a British prince, military commander, and the tenth child of King George III who served as Viceroy of Hanover in the early 19th century.
  • E. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: historicallyOwnedBy
Context triple: [Mayfair, historicallyOwnedBy, Duke of Westminster]
  • A. historicallyBorneBy
    Indicates that an entity has carried, possessed, or used another entity (such as a name, title, or symbol) at some point in the past.
  • B. historicallyControlledBy
    Indicates that an entity was under the control, rule, or governance of another entity during some period in the past.
  • C. ownedBy chosen
    Indicates that one entity possesses legal or rightful ownership of another entity.
  • D. historicallyExtendedBy
    Indicates that something has been continued, expanded, or carried forward over time by another, later entity or development.
  • E. historicallyRecognizedAs
    Indicates that an entity has been acknowledged or designated under a particular name, status, or role during a past historical period.
  • F. None of above.

Provenance (6 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_69a4932941d08190815efd422f0b4ca7 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4991dd7008190a6c1bc8bc832456d completed March 1, 2026, 7:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69a566fce9808190931b7c88b5c5686f completed March 2, 2026, 10:31 a.m.
NEDg Description generation batch_69a5678d8e1881908da2b274f6bac0b9 completed March 2, 2026, 10:33 a.m.
NED2 Entity disambiguation (via description) batch_69a56808933c81909611d0aa11126ec6 completed March 2, 2026, 10:35 a.m.
PD Predicate disambiguation batch_69a494bd78e8819083c519669158f209 completed March 1, 2026, 7:34 p.m.
Created at: March 1, 2026, 7:32 p.m.