Triple
T21569027
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | English Welsh & Scottish Railway |
E532235
|
entity |
| Predicate | operatedLocomotiveClass |
P67417
|
FINISHED |
| Object | British Rail Class 56 |
—
|
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: British Rail Class 56 | Statement: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 56]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 56 Context triple: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 56]
-
A.
British Rail Class 56
chosen
The British Rail Class 56 is a heavy freight diesel-electric locomotive introduced in the 1970s for high-power haulage duties on the UK rail network.
-
B.
British Rail Class 57
The British Rail Class 57 is a rebuilt diesel-electric locomotive class for the UK rail network, created by re-engineering older locomotives with updated engines and systems to extend their service life and improve performance.
-
C.
British Rail Class 67
The British Rail Class 67 is a high-speed diesel-electric locomotive built by Alstom in the late 1990s for passenger and mail services on the UK rail network.
-
D.
British Rail Class 60
The British Rail Class 60 is a heavy freight diesel-electric locomotive type built in the late 1980s and early 1990s for use on the UK rail network.
-
E.
British Rail Class 66
The British Rail Class 66 is a widely used diesel-electric freight locomotive type in the UK and parts of Europe, known for its reliability and dominance in modern rail freight operations.
- 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_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eee9cb9718819094fc95b25df68bd1 |
completed | April 27, 2026, 4:44 a.m. |
Created at: April 16, 2026, 6:30 p.m.