Triple

T14524963
Position Surface form Disambiguated ID Type / Status
Subject N1 freeway E340750 entity
Predicate partOfCorridor P840 FINISHED
Object Cape Town–Johannesburg corridor
The Cape Town–Johannesburg corridor is a major South African transport and economic axis linking Cape Town and Johannesburg through key road and rail routes that support significant trade and passenger movement.
E1104599 NE FINISHED

How this triple was built (4 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: Cape Town–Johannesburg corridor | Statement: [N1 freeway, partOfCorridor, Cape Town–Johannesburg corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cape Town–Johannesburg corridor
Context triple: [N1 freeway, partOfCorridor, Cape Town–Johannesburg corridor]
  • A. Durban–Johannesburg corridor
    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. Gaborone–Johannesburg route
    The Gaborone–Johannesburg route is a major regional transport corridor linking Botswana’s capital Gaborone with South Africa’s economic hub Johannesburg, facilitating significant cross-border trade and travel.
  • C. Johannesburg–Pretoria high‑speed corridor
    The Johannesburg–Pretoria high-speed corridor is a major rapid-rail link in South Africa that connects the economic hubs of Johannesburg and Pretoria as part of the Gautrain system.
  • D. 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.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Cape Town–Johannesburg corridor
Triple: [N1 freeway, partOfCorridor, Cape Town–Johannesburg corridor]
Generated description
The Cape Town–Johannesburg corridor is a major South African transport and economic axis linking Cape Town and Johannesburg through key road and rail routes that support significant trade and passenger movement.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cape Town–Johannesburg corridor
Target entity description: The Cape Town–Johannesburg corridor is a major South African transport and economic axis linking Cape Town and Johannesburg through key road and rail routes that support significant trade and passenger movement.
  • A. Durban–Johannesburg corridor
    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. Gaborone–Johannesburg route
    The Gaborone–Johannesburg route is a major regional transport corridor linking Botswana’s capital Gaborone with South Africa’s economic hub Johannesburg, facilitating significant cross-border trade and travel.
  • C. Johannesburg–Pretoria high‑speed corridor
    The Johannesburg–Pretoria high-speed corridor is a major rapid-rail link in South Africa that connects the economic hubs of Johannesburg and Pretoria as part of the Gautrain system.
  • D. 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.
  • E. 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.
  • F. None of above. chosen

Provenance (5 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_69d822dac79c8190a84a073f3cbaced5 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69dea04f16f88190ba357b0f8021b46b completed April 14, 2026, 8:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd7a50324481909713bbf68295e839 completed May 8, 2026, 5:53 a.m.
NEDg Description generation batch_69fd7c52e0bc8190b8c4b270653e65df completed May 8, 2026, 6:01 a.m.
NED2 Entity disambiguation (via description) batch_69fd7cf3088c8190a3bf53c9599f0304 completed May 8, 2026, 6:04 a.m.
Created at: April 10, 2026, 1:22 a.m.