Triple
T20913772
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chapel-en-le-Frith railway station |
E515016
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Northern Trains Class 150 units |
—
|
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: Northern Trains Class 150 units | Statement: [Chapel-en-le-Frith railway station, servedBy, Northern Trains Class 150 units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern Trains Class 150 units Context triple: [Chapel-en-le-Frith railway station, servedBy, Northern Trains Class 150 units]
-
A.
British Rail Class 150
chosen
The British Rail Class 150 is a diesel multiple-unit passenger train built in the 1980s for regional and commuter services on the UK rail network.
-
B.
British Rail Class 153
The British Rail Class 153 is a single-car diesel multiple unit train used on regional and rural passenger services across the UK rail network.
-
C.
British Rail Class 159
The British Rail Class 159 is a diesel multiple-unit train used for long-distance regional services in the UK, particularly known for operating intercity-style routes in the southwest of England.
-
D.
British Rail Class 317 electric multiple units
The British Rail Class 317 electric multiple units are a series of suburban electric trains introduced in the early 1980s for commuter services around London, known for their steel-bodied Mark 3–derived design and long service life.
-
E.
British Rail Class 455 electric multiple units
The British Rail Class 455 electric multiple units are suburban commuter trains introduced in the early 1980s for services in and around London, known for their long service life and extensive use on the Southern Region network.
- 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_69e0b4f9d5ec8190bb2bd27350ed341c |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6ec60d3288190897a087bbdd4f005 |
completed | April 21, 2026, 3:17 a.m. |
Created at: April 16, 2026, 12:48 p.m.