Triple
T20860837
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St Erth railway station |
E513612
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Great Western Main Line (historical GWR network in Cornwall) |
—
|
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: Great Western Main Line (historical GWR network in Cornwall) | Statement: [St Erth railway station, locatedOn, Great Western Main Line (historical GWR network in Cornwall)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Western Main Line (historical GWR network in Cornwall) Context triple: [St Erth railway station, locatedOn, Great Western Main Line (historical GWR network in Cornwall)]
-
A.
Devon and Cornwall rail network
The Devon and Cornwall rail network is a regional railway system in southwest England that connects major towns, cities, and rural areas across the counties of Devon and Cornwall.
-
B.
Cornish Main Line
The Cornish Main Line is a major railway route in Cornwall, England, connecting Penzance with the rest of the national rail network.
-
C.
former Great Western Railway main lines
chosen
The former Great Western Railway main lines are the historic principal railway routes in western and southwestern Britain that once formed the core of the Great Western Railway network and later underpinned services in British Railways’ Western Region.
-
D.
Cornwall Railway
Cornwall Railway was a 19th-century railway company in Cornwall, England, that built and operated key lines later absorbed into the Great Western Railway network.
-
E.
First Great Western
First Great Western was a major British train operating company that ran intercity and regional passenger services in western and southwestern England and South Wales before being rebranded as Great Western Railway.
- 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_69e0b4f5b01081909452f654d2fc3f50 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c3aba3d0819093431f38f0095a71 |
completed | April 21, 2026, 12:24 a.m. |
Created at: April 16, 2026, 12:44 p.m.