Triple

T11571378
Position Surface form Disambiguated ID Type / Status
Subject National Railways of Zimbabwe E274393 entity
Predicate mainLine P24771 FINISHED
Object Bulawayo–Beitbridge line
The Bulawayo–Beitbridge line is a key railway corridor in Zimbabwe that links the industrial city of Bulawayo with the Beitbridge border crossing to South Africa, serving as a major route for regional freight and passenger transport.
E935732 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: Bulawayo–Beitbridge line | Statement: [National Railways of Zimbabwe, mainLine, Bulawayo–Beitbridge line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bulawayo–Beitbridge line
Context triple: [National Railways of Zimbabwe, mainLine, Bulawayo–Beitbridge line]
  • A. Harare–Bulawayo line
    The Harare–Bulawayo line is a major railway corridor in Zimbabwe that connects the capital city Harare with the industrial hub of Bulawayo, serving as a key route for both passenger and freight transport.
  • B. Cape Town–Bulawayo railway
    The Cape Town–Bulawayo railway is a major southern African rail line linking Cape Town in South Africa with Bulawayo in Zimbabwe, historically significant as a key north–south transport corridor.
  • C. Bulawayo–Victoria Falls railway
    The Bulawayo–Victoria Falls railway is a key rail line in western Zimbabwe that connects the city of Bulawayo to the Victoria Falls area, serving as an important regional transport and tourism corridor.
  • D. Livingstone–Lusaka–Kabwe–Ndola line
    The Livingstone–Lusaka–Kabwe–Ndola line is a principal north–south railway route in Zambia that links major urban and industrial centers from the southern border at Livingstone through the capital Lusaka to the Copperbelt region.
  • E. Johannesburg–Swaziland line
    The Johannesburg–Swaziland line is a railway route in southern Africa that connects Johannesburg in South Africa with Eswatini (formerly Swaziland), serving as an important corridor for regional transport and trade.
  • 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: Bulawayo–Beitbridge line
Triple: [National Railways of Zimbabwe, mainLine, Bulawayo–Beitbridge line]
Generated description
The Bulawayo–Beitbridge line is a key railway corridor in Zimbabwe that links the industrial city of Bulawayo with the Beitbridge border crossing to South Africa, serving as a major route for regional freight and passenger transport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bulawayo–Beitbridge line
Target entity description: The Bulawayo–Beitbridge line is a key railway corridor in Zimbabwe that links the industrial city of Bulawayo with the Beitbridge border crossing to South Africa, serving as a major route for regional freight and passenger transport.
  • A. Harare–Bulawayo line
    The Harare–Bulawayo line is a major railway corridor in Zimbabwe that connects the capital city Harare with the industrial hub of Bulawayo, serving as a key route for both passenger and freight transport.
  • B. Cape Town–Bulawayo railway
    The Cape Town–Bulawayo railway is a major southern African rail line linking Cape Town in South Africa with Bulawayo in Zimbabwe, historically significant as a key north–south transport corridor.
  • C. Bulawayo–Victoria Falls railway
    The Bulawayo–Victoria Falls railway is a key rail line in western Zimbabwe that connects the city of Bulawayo to the Victoria Falls area, serving as an important regional transport and tourism corridor.
  • D. Livingstone–Lusaka–Kabwe–Ndola line
    The Livingstone–Lusaka–Kabwe–Ndola line is a principal north–south railway route in Zambia that links major urban and industrial centers from the southern border at Livingstone through the capital Lusaka to the Copperbelt region.
  • E. Johannesburg–Swaziland line
    The Johannesburg–Swaziland line is a railway route in southern Africa that connects Johannesburg in South Africa with Eswatini (formerly Swaziland), serving as an important corridor for regional transport and trade.
  • 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_69d6aae5ac3c81908d2b0a3a665665b2 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d88dd6913881908becf188c0a7a275 completed April 10, 2026, 5:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69e8a776ea40819084912ad2459c5be9 completed April 22, 2026, 10:48 a.m.
NEDg Description generation batch_69e8aa378edc8190807451b1855a4502 completed April 22, 2026, 11 a.m.
NED2 Entity disambiguation (via description) batch_69e8b05117988190aa029efa250053db completed April 22, 2026, 11:26 a.m.
Created at: April 8, 2026, 9:38 p.m.