Triple
T6159407
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arriva Trains Northern |
E137402
|
entity |
| Predicate | railRegulator |
P69118
|
FINISHED |
| Object | Strategic Rail Authority |
E119093
|
NE FINISHED |
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: Strategic Rail Authority | Statement: [Arriva Trains Northern, railRegulator, Strategic Rail Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Strategic Rail Authority Context triple: [Arriva Trains Northern, railRegulator, Strategic Rail Authority]
-
A.
Strategic Rail Authority
chosen
The Strategic Rail Authority was a UK government body responsible for overseeing and planning the country’s passenger rail services and franchises in the late 1990s and early 2000s.
-
B.
Office of Passenger Rail Franchising
The Office of Passenger Rail Franchising was a UK government body responsible for awarding and overseeing passenger rail service franchises during the early years of rail privatization.
-
C.
Network Rail
Network Rail is the owner and infrastructure manager of most of the railway network in Great Britain, responsible for tracks, signals, major stations, and related assets.
-
D.
Rail Regulator
The Rail Regulator was the former independent statutory body in Great Britain responsible for overseeing and enforcing the economic and safety regulation of the railway industry before its functions were transferred to successor regulators.
-
E.
State Rail Authority
The State Rail Authority was a former New South Wales government agency responsible for operating and managing the state's suburban, intercity, and country passenger rail services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railRegulator Context triple: [Arriva Trains Northern, railRegulator, Strategic Rail Authority]
-
A.
railwayControlledBy
Indicates that the operation, management, or authority over a railway is exercised by a specified controlling entity.
-
B.
railInterface
Indicates a connection or interaction between entities via a rail-based system or interface.
-
C.
railwaySecured
Indicates that a railway or rail line has been made safe, protected, or brought under control, ensuring secure passage or operation.
-
D.
railFranchise
Indicates a contractual relationship in which a company is granted the right to operate rail services or manage rail infrastructure within a specified area or route.
-
E.
railTracks
Indicates that one entity consists of, includes, or is associated with rail tracks used for guiding trains or rail vehicles.
- F. None of above. chosen
Provenance (5 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_69c008a54fc88190b6ce4416490ca79d |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c05d3445dc8190822954cee90f0dd7 |
completed | March 22, 2026, 9:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c1419064a48190880005459c86322c |
completed | March 23, 2026, 1:35 p.m. |
| PD | Predicate disambiguation | batch_69c055f5b81481908819515cdc334ae6 |
completed | March 22, 2026, 8:49 p.m. |
| PDg | Predicate description generation | batch_69c056df95ac8190bc5efe050d3af864 |
completed | March 22, 2026, 8:53 p.m. |
Created at: March 22, 2026, 4:17 p.m.