Triple
T22712661
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Midlands Trains rolling stock |
E561641
|
entity |
| Predicate | serviceArea |
P82
|
FINISHED |
| Object | West Coast Main Line (regional services) |
—
|
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: West Coast Main Line (regional services) | Statement: [West Midlands Trains rolling stock, serviceArea, West Coast Main Line (regional services)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Coast Main Line (regional services) Context triple: [West Midlands Trains rolling stock, serviceArea, West Coast Main Line (regional services)]
-
A.
West Coast Main Line
chosen
The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
-
B.
West Coastway Line
The West Coastway Line is a major railway route in southern England that runs along the south coast, linking cities such as Brighton, Worthing, Chichester, and Portsmouth.
-
C.
West Coast Main Line (Scottish section)
The West Coast Main Line (Scottish section) is the northern stretch of the UK’s primary west-coast intercity rail route, carrying long-distance, regional, and commuter services between the England–Scotland border and key Scottish cities such as Glasgow.
-
D.
TRA Western Line
The TRA Western Line is a major railway corridor in western Taiwan operated by the Taiwan Railways Administration, connecting key cities and counties along the island’s densely populated west coast.
-
E.
South West Main Line
The South West Main Line is a major railway route in southern England that connects London Waterloo with key towns and cities in Surrey, Hampshire, and Dorset.
- 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_69e2454f1348819088d83f420925a5c1 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f1790ab6208190a342f076002324ab |
completed | April 29, 2026, 3:20 a.m. |
Created at: April 17, 2026, 3:18 p.m.