Triple
T21657075
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Railfreight Petroleum |
E534494
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Railfreight sub-sectors of British Rail |
—
|
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: Railfreight sub-sectors of British Rail | Statement: [Railfreight Petroleum, partOf, Railfreight sub-sectors of British Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Railfreight sub-sectors of British Rail Context triple: [Railfreight Petroleum, partOf, Railfreight sub-sectors of British Rail]
-
A.
InterCity sector of British Rail
The InterCity sector of British Rail was the business unit responsible for operating long-distance express passenger services across the British railway network from the 1960s until privatisation in the 1990s.
-
B.
British Rail Provincial sector
The British Rail Provincial sector was the division of British Rail responsible for operating most non-intercity and rural passenger train services across the United Kingdom before sectorisation reforms led to its rebranding as Regional Railways.
-
C.
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.
-
D.
British Railways regions
British Railways regions were the post-nationalisation administrative divisions of Britain's state-owned railway system, responsible for managing operations, infrastructure, and rolling stock across their respective geographic areas.
-
E.
British Rail coaching stock
British Rail coaching stock refers to the various types of passenger carriages and related vehicles used by British Rail, encompassing multiple designs and eras of rolling stock employed across the UK rail network.
- 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: Railfreight sub-sectors of British Rail Target entity description: Railfreight sub-sectors of British Rail were specialized divisions of the former British Rail responsible for handling different categories of freight traffic, such as petroleum, coal, and general merchandise, across the UK rail network.
-
A.
InterCity sector of British Rail
The InterCity sector of British Rail was the business unit responsible for operating long-distance express passenger services across the British railway network from the 1960s until privatisation in the 1990s.
-
B.
British Rail Provincial sector
The British Rail Provincial sector was the division of British Rail responsible for operating most non-intercity and rural passenger train services across the United Kingdom before sectorisation reforms led to its rebranding as Regional Railways.
-
C.
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.
-
D.
British Railways regions
British Railways regions were the post-nationalisation administrative divisions of Britain's state-owned railway system, responsible for managing operations, infrastructure, and rolling stock across their respective geographic areas.
-
E.
British Rail coaching stock
British Rail coaching stock refers to the various types of passenger carriages and related vehicles used by British Rail, encompassing multiple designs and eras of rolling stock employed across the UK rail network.
- 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_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.