Triple
T23427993
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 465 |
E563245
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Metro-Cammell |
—
|
NE NERFINISHED |
How this triple was built (2 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 465, manufacturer, Metro-Cammell]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro-Cammell Context triple: [British Rail Class 465, manufacturer, Metro-Cammell]
-
A.
Metro-Cammell
chosen
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.
-
B.
Scammell
Scammell is an English surname borne by various notable individuals, including figures in American Revolutionary history and British industry.
-
C.
Metropolitan-Vickers
Metropolitan-Vickers was a major British electrical engineering and manufacturing company known for its pioneering work in heavy electrical equipment, turbines, and early computing technology.
-
D.
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e24553980c8190bb66a2ae0bdab125 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f1a54ae8ac8190b0bae2560582c904 |
completed | April 29, 2026, 6:29 a.m. |
Created at: April 17, 2026, 5:48 p.m.