Triple

T23143612
Position Surface form Disambiguated ID Type / Status
Subject Spoornet E577527 entity
Predicate predecessor P97 FINISHED
Object South African Railways
South African Railways was the former state-owned railway operator of South Africa, responsible for the country’s main rail transport network before its restructuring into Spoornet and later entities.
E266474 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: South African Railways | Statement: [Spoornet, predecessor, South African Railways]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South African Railways
Context triple: [Spoornet, predecessor, South African Railways]
  • A. Botswana Railways
    Botswana Railways is the state-owned railway company responsible for operating and managing Botswana’s national rail transport system.
  • B. Transnet Freight Rail
    Transnet Freight Rail is South Africa’s state-owned freight rail transport company, operating an extensive national rail network that moves bulk commodities and general cargo.
  • C. Passenger Rail Agency of South Africa
    The Passenger Rail Agency of South Africa is the state-owned company responsible for most of the country’s commuter and long-distance passenger rail services.
  • D. Great Southern Railways
    Great Southern Railways was a major Irish railway company that operated much of the country’s rail network in the early to mid-20th century.
  • E. Union Railways
    Union Railways is a British rail infrastructure and development company known for its role in major UK rail projects and for employing civil engineer Sir John Armitt.
  • 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: South African Railways
Triple: [Spoornet, predecessor, South African Railways]
Generated description
South African Railways was the former state-owned railway operator of South Africa, responsible for the country’s main rail transport network before its restructuring into Spoornet and later entities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: South African Railways
Target entity description: South African Railways was the former state-owned railway operator of South Africa, responsible for the country’s main rail transport network before its restructuring into Spoornet and later entities.
  • A. Botswana Railways
    Botswana Railways is the state-owned railway company responsible for operating and managing Botswana’s national rail transport system.
  • B. Transnet Freight Rail chosen
    Transnet Freight Rail is South Africa’s state-owned freight rail transport company, operating an extensive national rail network that moves bulk commodities and general cargo.
  • C. Passenger Rail Agency of South Africa
    The Passenger Rail Agency of South Africa is the state-owned company responsible for most of the country’s commuter and long-distance passenger rail services.
  • D. Great Southern Railways
    Great Southern Railways was a major Irish railway company that operated much of the country’s rail network in the early to mid-20th century.
  • E. Union Railways
    Union Railways is a British rail infrastructure and development company known for its role in major UK rail projects and for employing civil engineer Sir John Armitt.
  • 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_69e245f8e6248190ba3d58e068b4dccb completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f18ecc3710819088ac5d72dad0459a completed April 29, 2026, 4:53 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c4c6eb15c8190b5ef79521c5cb4b3 completed May 19, 2026, 11:41 a.m.
NEDg Description generation batch_6a0c4d521b648190a95a04bd6326ad8d completed May 19, 2026, 11:45 a.m.
NED2 Entity disambiguation (via description) batch_6a0c4daeaf5c81909eca82f6d9103b9a completed May 19, 2026, 11:46 a.m.
Created at: April 17, 2026, 4 p.m.