Triple
T9122148
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Durban–Johannesburg corridor |
E218878
|
entity |
| Predicate | linkedTo |
P37
|
FINISHED |
| Object | Durban–Gauteng freight 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 freight corridor | Statement: [Durban–Johannesburg corridor, linkedTo, Durban–Gauteng freight corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Durban–Gauteng freight corridor Context triple: [Durban–Johannesburg corridor, linkedTo, Durban–Gauteng freight 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.
Mabopane Station corridor
The Mabopane Station corridor is a major public transport route and activity spine in the northern Pretoria region of South Africa, linking townships such as Soshanguve to the Mabopane railway station and surrounding economic hubs.
-
E.
Johannesburg–Swaziland line
The Johannesburg–Swaziland line is a railway route in southern Africa that connects Johannesburg in South Africa with Eswatini (formerly Swaziland), serving as an important corridor for regional transport and trade.
- 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_69d047c55a988190bf2dd63a0d0a2743 |
completed | April 3, 2026, 11:05 p.m. |
Created at: March 30, 2026, 7:17 p.m.