Triple

T11571376
Position Surface form Disambiguated ID Type / Status
Subject National Railways of Zimbabwe E274393 entity
Predicate mainLine P24771 FINISHED
Object 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.
E934052 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: Harare–Bulawayo line | Statement: [National Railways of Zimbabwe, mainLine, Harare–Bulawayo line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harare–Bulawayo line
Context triple: [National Railways of Zimbabwe, mainLine, Harare–Bulawayo line]
  • A. Bulawayo–Plumtree–Francistown route
    The Bulawayo–Plumtree–Francistown route is a key regional transport corridor linking southwestern Zimbabwe with northeastern Botswana, facilitating cross-border trade and travel between Bulawayo, Plumtree, and Francistown.
  • B. 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.
  • C. Harare–Beitbridge highway
    The Harare–Beitbridge highway is a major arterial road in Zimbabwe that links the capital Harare with the Beitbridge border post to South Africa, serving as a key regional trade and transport corridor.
  • D. 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.
  • E. Harare–Masvingo road
    The Harare–Masvingo road is a major highway in Zimbabwe that connects the capital city Harare with the southern city of Masvingo, serving as a key route for regional travel 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: Harare–Bulawayo line
Triple: [National Railways of Zimbabwe, mainLine, Harare–Bulawayo line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harare–Bulawayo line
Target entity description: 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.
  • A. Bulawayo–Plumtree–Francistown route
    The Bulawayo–Plumtree–Francistown route is a key regional transport corridor linking southwestern Zimbabwe with northeastern Botswana, facilitating cross-border trade and travel between Bulawayo, Plumtree, and Francistown.
  • B. 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.
  • C. Harare–Beitbridge highway
    The Harare–Beitbridge highway is a major arterial road in Zimbabwe that links the capital Harare with the Beitbridge border post to South Africa, serving as a key regional trade and transport corridor.
  • D. 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.
  • E. Harare–Masvingo road
    The Harare–Masvingo road is a major highway in Zimbabwe that connects the capital city Harare with the southern city of Masvingo, serving as a key route for regional travel 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_69e6e8eface48190a2ed3275191b01ea completed April 21, 2026, 3:03 a.m.
NEDg Description generation batch_69e6ef9631e48190aef47bba9ad611e8 completed April 21, 2026, 3:31 a.m.
NED2 Entity disambiguation (via description) batch_69e6f94ac2d0819098a3024eaab908b5 completed April 21, 2026, 4:12 a.m.
Created at: April 8, 2026, 9:38 p.m.