Triple
T21657098
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Railfreight Petroleum |
E534494
|
entity |
| Predicate | operatedUnder |
P794
|
FINISHED |
| Object | Railfreight sectorisation of British Rail |
—
|
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: Railfreight sectorisation of British Rail | Statement: [Railfreight Petroleum, operatedUnder, Railfreight sectorisation of British Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Railfreight sectorisation of British Rail Context triple: [Railfreight Petroleum, operatedUnder, Railfreight sectorisation of British Rail]
-
A.
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.
-
B.
British Rail sectorisation era
chosen
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.
-
C.
Railway Executive functions of the British Transport Commission
Railway Executive functions of the British Transport Commission were the set of responsibilities and powers related to managing and operating Britain’s nationalized railway system under the post-war British Transport Commission.
-
D.
British Railways Modernisation Plan
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.
-
E.
Lingfield railway station in real-time information systems
Lingfield railway station in real-time information systems is a UK railway station whose live departure and arrival data are referenced using the three-letter station code LFD.
- 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_69e0c467e1f48190af2650b19175abc4 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69ef5919c9c88190a2ddcf2cefee79a5 |
completed | April 27, 2026, 12:39 p.m. |
Created at: April 16, 2026, 6:36 p.m.