Triple
T16470717
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 6200 Princess Royal |
E400050
|
entity |
| Predicate | era |
P200
|
FINISHED |
| Object | British Railways early dieselisation era |
E530537
|
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: British Railways early dieselisation era | Statement: [6200 Princess Royal, era, British Railways early dieselisation era]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Railways early dieselisation era Context triple: [6200 Princess Royal, era, British Railways early dieselisation era]
-
A.
British Rail sectorisation era
The British Rail sectorisation era was a period in the 1980s and early 1990s when the UK’s state-owned railway was reorganised into semi-autonomous business sectors, paving the way for later privatisation.
-
B.
The Reshaping of British Railways
The Reshaping of British Railways was a 1963 British government report by Dr. Richard Beeching that recommended widespread railway line and station closures, fundamentally reshaping the UK rail network.
-
C.
British Railways Modernisation Plan
chosen
The British Railways Modernisation Plan was a major post-war programme to transform and modernize Britain’s railway network through widespread dieselisation, electrification, and infrastructure upgrades.
-
D.
British Rail steam locomotives
British Rail steam locomotives were the steam-powered engines operated on Britain’s nationalized railway system in the mid-20th century, spanning a wide range of classes used for passenger and freight services before diesel and electric traction took over.
-
E.
British Rail first-generation DMUs
British Rail first-generation DMUs were early diesel multiple-unit passenger trains introduced in the mid-20th century to modernize and replace steam-hauled services on Britain’s rail network.
- 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_69d87f2dac988190b74d6e185fa88ba4 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e32dd0d2fc81909b68b5afb00f192f |
completed | April 18, 2026, 7:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a004f5af4308190bd023624de35027f |
completed | May 10, 2026, 9:26 a.m. |
Created at: April 10, 2026, 5:11 a.m.