Triple
T23143517
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Passenger Rail Agency of South Africa |
E577524
|
entity |
| Predicate | regulator |
P46
|
FINISHED |
| Object | Railway Safety Regulator (South Africa) |
—
|
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: Railway Safety Regulator (South Africa) | Statement: [Passenger Rail Agency of South Africa, regulator, Railway Safety Regulator (South Africa)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Railway Safety Regulator (South Africa) Context triple: [Passenger Rail Agency of South Africa, regulator, Railway Safety Regulator (South Africa)]
-
A.
Railway Safety Regulator of South Africa
chosen
The Railway Safety Regulator of South Africa is the national authority responsible for overseeing and enforcing safety standards and regulations across the country’s rail transport system.
-
B.
Office of the National Rail Safety Regulator
The Office of the National Rail Safety Regulator is an Australian government body responsible for overseeing and enforcing rail safety standards across the country’s rail networks.
-
C.
Rail Safety and Standards Board
The Rail Safety and Standards Board is a UK-based independent body that develops and maintains safety, operational, and technical standards for the railway industry.
-
D.
Passenger Rail Agency of South Africa
The Passenger Rail Agency of South Africa is the state-owned company responsible for most of the country’s commuter and long-distance passenger rail services.
-
E.
Italian National Agency for Railway Safety
The Italian National Agency for Railway Safety is the national authority responsible for overseeing and enforcing railway safety regulations and standards across Italy’s rail system.
- 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_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.