Triple
T9122153
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Durban–Johannesburg corridor |
E218878
|
entity |
| Predicate | abbreviation |
P43
|
FINISHED |
| Object | Durban–Gauteng corridor |
E218878
|
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: Durban–Gauteng corridor | Statement: [Durban–Johannesburg corridor, abbreviation, Durban–Gauteng corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Durban–Gauteng corridor Context triple: [Durban–Johannesburg corridor, abbreviation, Durban–Gauteng corridor]
-
A.
Durban–Johannesburg corridor
chosen
The Durban–Johannesburg corridor is a major South African transport and economic artery linking the coastal port city of Durban with the inland metropolis of Johannesburg.
-
B.
KwaDukuza–Durban corridor
The KwaDukuza–Durban corridor is a rapidly developing coastal economic and transport belt in KwaZulu-Natal, South Africa, linking the city of Durban with the town of KwaDukuza through urban, industrial, and residential growth.
-
C.
Johannesburg–Richards Bay line
The Johannesburg–Richards Bay line is a major South African heavy-haul railway corridor that links the inland economic hub around Johannesburg with the deep-water port of Richards Bay, primarily for bulk freight such as coal.
-
D.
Maputo Corridor
The Maputo Corridor is a major regional development and transport route linking South Africa’s industrial heartland to the port city of Maputo in Mozambique, facilitating trade and economic integration in Southern Africa.
-
E.
Pretoria–Witwatersrand–Vereeniging conurbation
The Pretoria–Witwatersrand–Vereeniging conurbation is South Africa’s largest urban agglomeration, encompassing much of the country’s economic and population core in the Gauteng region.
- 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_69ca83dddd548190983b96c664f7f367 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cca8b46dac8190bde88205c85f596a |
completed | April 1, 2026, 5:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d0544f7be481908f247889363c0f32 |
completed | April 3, 2026, 11:59 p.m. |
Created at: March 30, 2026, 7:17 p.m.