Triple
T20772256
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Mark 3 coaching stock |
E511264
|
entity |
| Predicate | usedOn |
P2367
|
FINISHED |
| Object | West Coast Main Line 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 services | Statement: [British Rail Mark 3 coaching stock, usedOn, West Coast Main Line services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Coast Main Line services Context triple: [British Rail Mark 3 coaching stock, usedOn, West Coast Main Line 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.
Brighton Line services
Brighton Line services are New York City Subway operations running along the BMT Brighton Line in Brooklyn, primarily served by the Q train and connecting southern Brooklyn neighborhoods with Midtown Manhattan.
-
C.
InterCity services to South West England
InterCity services to South West England are long-distance high-speed passenger train routes in the UK that connect major cities with destinations across the South West region.
-
D.
Shorncliffe line services
Shorncliffe line services are suburban passenger train services in Brisbane, Queensland, operating between the city and the coastal suburb of Shorncliffe.
-
E.
Southern Shepherd's Bush–Clapham Junction service
The Southern Shepherd's Bush–Clapham Junction service is a London suburban rail route operated by Southern that links Shepherd's Bush with the major interchange at Clapham Junction.
- 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_69e0b4ca01148190ac018e57e0cab46f |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c2681ff88190bfe5938c2db6b2c4 |
completed | April 21, 2026, 12:18 a.m. |
Created at: April 16, 2026, 12:37 p.m.