Triple
T1868790
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Charles James Spencer-Churchill, 12th Duke of Marlborough |
E34984
|
entity |
| Predicate | nobleTitle |
P914
|
FINISHED |
| Object |
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.
|
E294942
|
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: 12th Duke of Marlborough | Statement: [Charles James Spencer-Churchill, 12th Duke of Marlborough, nobleTitle, 12th Duke of Marlborough]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 12th Duke of Marlborough Context triple: [Charles James Spencer-Churchill, 12th Duke of Marlborough, nobleTitle, 12th Duke of Marlborough]
-
A.
11th Duke of Marlborough
The 11th Duke of Marlborough, John George Vanderbilt Henry Spencer-Churchill, was a British aristocrat and landowner who presided over Blenheim Palace and was a relative of both Sir Winston Churchill and the American Vanderbilt family.
-
B.
9th Duke of Marlborough
The 9th Duke of Marlborough, Charles Spencer-Churchill, was a British aristocrat and landowner best known for his stewardship of Blenheim Palace and his high-profile marriage to American heiress Consuelo Vanderbilt.
-
C.
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.
-
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.
George Spencer-Churchill, 6th Duke of Marlborough
George Spencer-Churchill, 6th Duke of Marlborough, was a 19th-century British peer and politician who held the Marlborough dukedom before his more politically prominent son, the 7th Duke.
- 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: 12th Duke of Marlborough Triple: [Charles James Spencer-Churchill, 12th Duke of Marlborough, nobleTitle, 12th Duke of Marlborough]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 12th Duke of Marlborough Target entity description: 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.
-
A.
11th Duke of Marlborough
The 11th Duke of Marlborough, John George Vanderbilt Henry Spencer-Churchill, was a British aristocrat and landowner who presided over Blenheim Palace and was a relative of both Sir Winston Churchill and the American Vanderbilt family.
-
B.
9th Duke of Marlborough
The 9th Duke of Marlborough, Charles Spencer-Churchill, was a British aristocrat and landowner best known for his stewardship of Blenheim Palace and his high-profile marriage to American heiress Consuelo Vanderbilt.
-
C.
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.
-
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.
George Spencer-Churchill, 6th Duke of Marlborough
George Spencer-Churchill, 6th Duke of Marlborough, was a 19th-century British peer and politician who held the Marlborough dukedom before his more politically prominent son, the 7th Duke.
- 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_69a88600b2f88190bc09303e68ab517e |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69abb0b7e4548190a3761133fbbb7b81 |
completed | March 7, 2026, 4:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afbba693f08190aead3b593f081c62 |
completed | March 10, 2026, 6:35 a.m. |
| NEDg | Description generation | batch_69afbc67c39c8190b5932c0e23595f64 |
completed | March 10, 2026, 6:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afbd2d8a2c8190896a9154ebbd8bab |
completed | March 10, 2026, 6:41 a.m. |
Created at: March 4, 2026, 7:34 p.m.