Triple
T10900512
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London, Brighton and South Coast Railway |
E257426
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object | London and Croydon Railway |
E847321
|
NE FINISHED |
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: London and Croydon Railway | Statement: [London, Brighton and South Coast Railway, formedByMergerOf, London and Croydon Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London and Croydon Railway Context triple: [London, Brighton and South Coast Railway, formedByMergerOf, London and Croydon Railway]
-
A.
London and Croydon Railway
chosen
The London and Croydon Railway was an early 19th-century British railway company that operated one of the first mainline routes in the London area, later becoming part of the Southern Railway network.
-
B.
London and Greenwich Railway
The London and Greenwich Railway was one of the earliest passenger railways in London and the first in the capital to be built on a viaduct, forming a key part of the city's early rail infrastructure.
-
C.
Charing Cross, Euston and Hampstead Railway
The Charing Cross, Euston and Hampstead Railway was an early deep-level “tube” railway in London that later became a core part of the London Underground’s Northern line.
-
D.
North London Railway
The North London Railway was a British railway company that operated suburban and freight services across north London during the 19th and early 20th centuries.
-
E.
London and Blackwall Railway
The London and Blackwall Railway was one of London's earliest passenger railways, originally built in the 1840s as a pioneering cable-hauled line linking the City of London to the docks at Blackwall.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aa8550c8819095508a2ed9acf3db |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d761a2f02881908b70be6499dd8d98 |
completed | April 9, 2026, 8:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e216c69b088190b8fa192cd8fe23ed |
completed | April 17, 2026, 11:17 a.m. |
Created at: April 8, 2026, 9:22 p.m.