Triple

T13611185
Position Surface form Disambiguated ID Type / Status
Subject Carlswald E325189 entity
Predicate locatedInCorridor P40 FINISHED
Object Johannesburg–Pretoria urban corridor
The Johannesburg–Pretoria urban corridor is a densely developed, economically significant metropolitan region in South Africa that links the major cities of Johannesburg and Pretoria into a continuous urban area.
E278558 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: Johannesburg–Pretoria urban corridor | Statement: [Carlswald, locatedInCorridor, Johannesburg–Pretoria urban corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Johannesburg–Pretoria urban corridor
Context triple: [Carlswald, locatedInCorridor, Johannesburg–Pretoria urban 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. 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.
  • C. Pretoria CBD
    Pretoria CBD is the historic and commercial downtown core of Pretoria, South Africa, known for its government buildings, offices, shops, and landmarks such as Church Square.
  • 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. Pretoria West
    Pretoria West is a suburb of Pretoria, South Africa, known for its mixed residential and industrial character and its location west of the city center.
  • 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: Johannesburg–Pretoria urban corridor
Triple: [Carlswald, locatedInCorridor, Johannesburg–Pretoria urban corridor]
Generated description
The Johannesburg–Pretoria urban corridor is a densely developed, economically significant metropolitan region in South Africa that links the major cities of Johannesburg and Pretoria into a continuous urban area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Johannesburg–Pretoria urban corridor
Target entity description: The Johannesburg–Pretoria urban corridor is a densely developed, economically significant metropolitan region in South Africa that links the major cities of Johannesburg and Pretoria into a continuous urban area.
  • 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. Pretoria–Witwatersrand–Vereeniging conurbation chosen
    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.
  • C. Pretoria CBD
    Pretoria CBD is the historic and commercial downtown core of Pretoria, South Africa, known for its government buildings, offices, shops, and landmarks such as Church Square.
  • 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. Pretoria West
    Pretoria West is a suburb of Pretoria, South Africa, known for its mixed residential and industrial character and its location west of the city center.
  • F. None of above.

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_69d8076aae28819092cf636190ee5529 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbb0aa9a1481908c6f92495aff86c6 completed April 12, 2026, 2:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69f78ae56e2081909c0fd044ce3730a9 completed May 3, 2026, 5:50 p.m.
NEDg Description generation batch_69f78c8d68f081909f5e6b8ab05a3ce2 completed May 3, 2026, 5:57 p.m.
NED2 Entity disambiguation (via description) batch_69f78d6f02c48190a8f3bc4cb71910a0 completed May 3, 2026, 6:01 p.m.
Created at: April 9, 2026, 9:50 p.m.