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.