Triple
T23143571
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PRASA |
E577525
|
entity |
| Predicate | hasProgram |
P178
|
FINISHED |
| Object | rail infrastructure modernisation programme |
—
|
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: rail infrastructure modernisation programme | Statement: [PRASA, hasProgram, rail infrastructure modernisation programme]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: rail infrastructure modernisation programme Context triple: [PRASA, hasProgram, rail infrastructure modernisation programme]
-
A.
TransPennine Route Upgrade (TPRU) programme
The TransPennine Route Upgrade (TPRU) programme is a major UK rail infrastructure project to modernise and increase capacity, reliability, and connectivity on the key TransPennine rail corridor across northern England.
-
B.
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.
-
C.
British Rail Advanced Passenger Train programme
The British Rail Advanced Passenger Train programme was a pioneering but ultimately ill-fated British project to develop high-speed tilting trains for the UK rail network in the 1970s and 1980s.
-
D.
Country Rail Infrastructure Authority
The Country Rail Infrastructure Authority was a New South Wales government agency responsible for managing and maintaining regional rail infrastructure prior to its functions being absorbed into Transport for NSW.
-
E.
Intercity Express Programme
The Intercity Express Programme is a UK government-backed initiative to replace aging high-speed train fleets with modern, faster, and more efficient intercity trains on key rail routes.
- 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: rail infrastructure modernisation programme Target entity description: The rail infrastructure modernisation programme is a large-scale initiative by South Africa’s Passenger Rail Agency (PRASA) to upgrade and renew the country’s passenger rail systems, including trains, stations, and signalling.
-
A.
TransPennine Route Upgrade (TPRU) programme
The TransPennine Route Upgrade (TPRU) programme is a major UK rail infrastructure project to modernise and increase capacity, reliability, and connectivity on the key TransPennine rail corridor across northern England.
-
B.
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.
-
C.
British Rail Advanced Passenger Train programme
The British Rail Advanced Passenger Train programme was a pioneering but ultimately ill-fated British project to develop high-speed tilting trains for the UK rail network in the 1970s and 1980s.
-
D.
Country Rail Infrastructure Authority
The Country Rail Infrastructure Authority was a New South Wales government agency responsible for managing and maintaining regional rail infrastructure prior to its functions being absorbed into Transport for NSW.
-
E.
Intercity Express Programme
The Intercity Express Programme is a UK government-backed initiative to replace aging high-speed train fleets with modern, faster, and more efficient intercity trains on key rail routes.
- 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_69e245f8e6248190ba3d58e068b4dccb |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18ecc3710819088ac5d72dad0459a |
completed | April 29, 2026, 4:53 a.m. |
Created at: April 17, 2026, 4 p.m.