Triple
T11257490
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Transnet Freight Rail |
E266474
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | South African rail transport system |
E139507
|
NE FINISHED |
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: South African rail transport system | Statement: [Transnet Freight Rail, partOf, South African rail transport system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South African rail transport system Context triple: [Transnet Freight Rail, partOf, South African rail transport system]
-
A.
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.
-
B.
South African Metrorail network
The South African Metrorail network is a state-operated urban and suburban passenger rail system serving major metropolitan regions across South Africa.
-
C.
South African national rail network
chosen
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.
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.
Metrorail Gauteng commuter rail
Metrorail Gauteng commuter rail is a regional passenger rail service in South Africa’s Gauteng province that connects major urban areas and townships, including Soweto, with central business districts.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aac7953c8190b82caf9d7640fdf9 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e935b85c819085e1abf2dd4099c5 |
completed | April 9, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4cca0d25c8190bfdbe1f6ee3b04cb |
completed | April 19, 2026, 12:37 p.m. |
Created at: April 8, 2026, 9:31 p.m.