Triple
T18808871
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Moses Mabhida railway station |
E459950
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Passenger Rail Agency of 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: Passenger Rail Agency of South Africa | Statement: [Moses Mabhida railway station, owner, Passenger Rail Agency of South Africa]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Passenger Rail Agency of South Africa Context triple: [Moses Mabhida railway station, owner, Passenger Rail Agency of South Africa]
-
A.
Passenger Rail Agency of South Africa
chosen
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.
-
B.
Transnet Freight Rail
Transnet Freight Rail is South Africa’s state-owned freight rail transport company, operating an extensive national rail network that moves bulk commodities and general cargo.
-
C.
South African national rail network
The South African national rail network is the country’s primary railway system, linking major cities, ports, and industrial centers for both passenger and freight transport.
-
D.
Botswana Railways
Botswana Railways is the state-owned railway company responsible for operating and managing Botswana’s national rail transport system.
-
E.
Southern African rail network
The Southern African rail network is a regional system of interconnected railway lines linking multiple countries in Southern Africa to support trade, passenger transport, and economic integration.
- 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_69d8d398c7d4819091cb2f7e48948aeb |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e5a3d9c49c8190a9d29a25f0c977b2 |
completed | April 20, 2026, 3:56 a.m. |
Created at: April 10, 2026, 11:53 a.m.