Triple
T5696522
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 156 |
E125552
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object |
Metro-Cammell
Metro-Cammell was a major British railway rolling stock manufacturer, best known for producing multiple generations of diesel and electric trains for the UK rail network.
|
E542081
|
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: Metro-Cammell | Statement: [British Rail Class 156, manufacturer, Metro-Cammell]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro-Cammell Context triple: [British Rail Class 156, manufacturer, Metro-Cammell]
-
A.
D. Napier & Son
D. Napier & Son was a British engineering company best known for producing high-performance aircraft engines and automotive components in the early to mid-20th century.
-
B.
Armstrong Siddeley
Armstrong Siddeley was a British engineering company best known for manufacturing luxury automobiles and aircraft engines in the early to mid-20th century.
-
C.
Humber Limited
Humber Limited was a British engineering and motor vehicle manufacturer known for producing bicycles, motorcycles, and cars in the late 19th and early 20th centuries.
-
D.
Vickers
Vickers is a surname of English origin borne by various notable individuals across fields such as entertainment, industry, and the military.
-
E.
Armstrong Whitworth
Armstrong Whitworth was a major British engineering and armaments manufacturing company prominent in the late 19th and early 20th centuries, known for producing ships, aircraft, and heavy weaponry.
- 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: Metro-Cammell Triple: [British Rail Class 156, manufacturer, Metro-Cammell]
Generated description
Metro-Cammell was a major British railway rolling stock manufacturer, best known for producing multiple generations of diesel and electric trains for the UK rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metro-Cammell Target entity description: Metro-Cammell was a major British railway rolling stock manufacturer, best known for producing multiple generations of diesel and electric trains for the UK rail network.
-
A.
D. Napier & Son
D. Napier & Son was a British engineering company best known for producing high-performance aircraft engines and automotive components in the early to mid-20th century.
-
B.
Armstrong Siddeley
Armstrong Siddeley was a British engineering company best known for manufacturing luxury automobiles and aircraft engines in the early to mid-20th century.
-
C.
Humber Limited
Humber Limited was a British engineering and motor vehicle manufacturer known for producing bicycles, motorcycles, and cars in the late 19th and early 20th centuries.
-
D.
Vickers
Vickers is a surname of English origin borne by various notable individuals across fields such as entertainment, industry, and the military.
-
E.
Armstrong Whitworth
Armstrong Whitworth was a major British engineering and armaments manufacturing company prominent in the late 19th and early 20th centuries, known for producing ships, aircraft, and heavy weaponry.
- 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_69c0082bb19c8190823a4facd3cba79b |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c0240bde1881909f7ea13bd84deaa8 |
completed | March 22, 2026, 5:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c05a5635448190ada625283405752f |
completed | March 22, 2026, 9:08 p.m. |
| NEDg | Description generation | batch_69c05be7f7cc8190bb1f8081289c5e02 |
completed | March 22, 2026, 9:15 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c0620ee1848190935f5f78abbed7ba |
completed | March 22, 2026, 9:41 p.m. |
Created at: March 22, 2026, 3:45 p.m.