Triple

T13543031
Position Surface form Disambiguated ID Type / Status
Subject Waterfall City E323437 entity
Predicate regionServed P82 FINISHED
Object Pretoria–Johannesburg corridor E914652 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: Pretoria–Johannesburg corridor | Statement: [Waterfall City, regionServed, Pretoria–Johannesburg corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pretoria–Johannesburg corridor
Context triple: [Waterfall City, regionServed, Pretoria–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 Ring Road
    The Johannesburg Ring Road is a network of freeways encircling Johannesburg, South Africa, that facilitates high-volume traffic flow around the city and connects major national routes.
  • 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. Ben Schoeman Freeway (N1) chosen
    Ben Schoeman Freeway (N1) is a major highway in Gauteng, South Africa, forming a key section of the N1 route and serving as a primary arterial link between Johannesburg and Pretoria.
  • 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_69d8076776248190bdf0d4fa1f85a5fc completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbafda36248190acabde65a88c5471 completed April 12, 2026, 2:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69f76bae316081909e048ead31a9575a completed May 3, 2026, 3:37 p.m.
Created at: April 9, 2026, 9:45 p.m.