Triple
T20913774
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chapel-en-le-Frith railway station |
E515016
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Northern Trains Class 195 units |
—
|
NE NERFINISHED |
How this triple was built (3 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 195 units | Statement: [Chapel-en-le-Frith railway station, servedBy, Northern Trains Class 195 units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern Trains Class 195 units Context triple: [Chapel-en-le-Frith railway station, servedBy, Northern Trains Class 195 units]
-
A.
British Rail Class 319 electric multiple units
The British Rail Class 319 electric multiple units are dual-voltage commuter trains introduced in the late 1980s for cross-London services, capable of operating on both overhead and third-rail electrification systems.
-
B.
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.
-
C.
British Rail Class 321 electric multiple units
The British Rail Class 321 electric multiple units are a series of suburban and commuter trains introduced in the late 1980s for use on electrified routes in the UK, known for their widespread service in the south-east of England and East Anglia.
-
D.
British Rail Class 318 electric multiple units
The British Rail Class 318 electric multiple units are suburban EMU trains introduced in the mid-1980s for commuter services around Glasgow, Scotland, featuring steel-bodied construction and 25 kV AC overhead electrification.
-
E.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Northern Trains Class 195 units Target entity description: Northern Trains Class 195 units are modern diesel multiple-unit passenger trains operated by Northern Trains across regional and commuter routes in northern England.
-
A.
British Rail Class 319 electric multiple units
The British Rail Class 319 electric multiple units are dual-voltage commuter trains introduced in the late 1980s for cross-London services, capable of operating on both overhead and third-rail electrification systems.
-
B.
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.
-
C.
British Rail Class 321 electric multiple units
The British Rail Class 321 electric multiple units are a series of suburban and commuter trains introduced in the late 1980s for use on electrified routes in the UK, known for their widespread service in the south-east of England and East Anglia.
-
D.
British Rail Class 318 electric multiple units
The British Rail Class 318 electric multiple units are suburban EMU trains introduced in the mid-1980s for commuter services around Glasgow, Scotland, featuring steel-bodied construction and 25 kV AC overhead electrification.
-
E.
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.
- F. None of above. chosen
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.