Triple
T22599842
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gerrards Cross railway station |
E574782
|
entity |
| Predicate | openedBy |
P421
|
FINISHED |
| Object | Great Western and Great Central Joint Railway |
—
|
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: Great Western and Great Central Joint Railway | Statement: [Gerrards Cross railway station, openedBy, Great Western and Great Central Joint Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Western and Great Central Joint Railway Context triple: [Gerrards Cross railway station, openedBy, Great Western and Great Central Joint Railway]
-
A.
Midland and Great Northern Joint Railway
The Midland and Great Northern Joint Railway was a former British railway network in eastern England, notable for being one of the largest joint railway systems and for serving numerous coastal resorts in Norfolk and Lincolnshire.
-
B.
Great Northern and Great Eastern Joint Railway (historical)
The Great Northern and Great Eastern Joint Railway was a historic British joint railway route, primarily linking the Midlands and Yorkshire with East Anglia to facilitate coal and goods traffic between the Great Northern Railway and the Great Eastern Railway networks.
-
C.
Great Northern and City Railway
The Great Northern and City Railway was a deep-level underground railway in London designed to link the Great Northern Railway’s mainline services directly into the City, later becoming part of the London Underground network.
-
D.
Great Eastern Railway
Great Eastern Railway was a major pre-grouping British railway company that operated an extensive network across East Anglia and into London from the mid-19th to early 20th century.
-
E.
Great Western Railway
Great Western Railway was a historic Canadian railway company that played a key role in 19th-century transportation and trade across southern Ontario and into the United States.
- 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: Great Western and Great Central Joint Railway Target entity description: The Great Western and Great Central Joint Railway was a collaborative British railway route formed by the Great Western Railway and the Great Central Railway to provide a main line connection between London and the Midlands/north of England.
-
A.
Midland and Great Northern Joint Railway
The Midland and Great Northern Joint Railway was a former British railway network in eastern England, notable for being one of the largest joint railway systems and for serving numerous coastal resorts in Norfolk and Lincolnshire.
-
B.
Great Northern and Great Eastern Joint Railway (historical)
The Great Northern and Great Eastern Joint Railway was a historic British joint railway route, primarily linking the Midlands and Yorkshire with East Anglia to facilitate coal and goods traffic between the Great Northern Railway and the Great Eastern Railway networks.
-
C.
Great Northern and City Railway
The Great Northern and City Railway was a deep-level underground railway in London designed to link the Great Northern Railway’s mainline services directly into the City, later becoming part of the London Underground network.
-
D.
Great Eastern Railway
Great Eastern Railway was a major pre-grouping British railway company that operated an extensive network across East Anglia and into London from the mid-19th to early 20th century.
-
E.
Great Western Railway
Great Western Railway was a historic Canadian railway company that played a key role in 19th-century transportation and trade across southern Ontario and into the United States.
- 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_69e245bc11308190b69d794d5d1e0bb6 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1626b5f5481909a104088d1c96720 |
completed | April 29, 2026, 1:44 a.m. |
Created at: April 17, 2026, 2:50 p.m.