Triple

T11571399
Position Surface form Disambiguated ID Type / Status
Subject National Railways of Zimbabwe E274393 entity
Predicate hasPrimaryHub P49780 FINISHED
Object Bulawayo railway station
Bulawayo railway station is a major rail transport hub in Bulawayo, Zimbabwe, serving as one of the country’s key passenger and freight terminals.
 E934053 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 railway station | Statement: [National Railways of Zimbabwe, hasPrimaryHub, Bulawayo railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bulawayo railway station
Context triple: [National Railways of Zimbabwe, hasPrimaryHub, Bulawayo railway station]
  • A. Maputo Railway Station
    Maputo Railway Station is a historic and architecturally notable train station in Mozambique’s capital, often regarded as one of the most beautiful railway stations in the world.
  • B. Sibambe station
    Sibambe station is a historic railway stop in Ecuador best known as the lower terminus of the famed Nariz del Diablo (Devil’s Nose) mountain railway route.
  • C. Moses Mabhida railway station
    Moses Mabhida railway station is a passenger rail station in Durban, South Africa, serving visitors to the nearby Moses Mabhida Stadium and surrounding areas.
  • D. Ndola railway station
    Ndola railway station is a major rail transport hub in Ndola, Zambia, serving as a key junction for passenger and freight services in the country’s railway system.
  • E. Victoria Falls railway station
    Victoria Falls railway station is the main rail terminus serving the town of Victoria Falls in Zimbabwe, providing access for tourists and locals to the famous waterfall and surrounding region.
  • 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 railway station
Triple: [National Railways of Zimbabwe, hasPrimaryHub, Bulawayo railway station]
Generated description
Bulawayo railway station is a major rail transport hub in Bulawayo, Zimbabwe, serving as one of the country’s key passenger and freight terminals.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bulawayo railway station
Target entity description: Bulawayo railway station is a major rail transport hub in Bulawayo, Zimbabwe, serving as one of the country’s key passenger and freight terminals.
  • A. Maputo Railway Station
    Maputo Railway Station is a historic and architecturally notable train station in Mozambique’s capital, often regarded as one of the most beautiful railway stations in the world.
  • B. Sibambe station
    Sibambe station is a historic railway stop in Ecuador best known as the lower terminus of the famed Nariz del Diablo (Devil’s Nose) mountain railway route.
  • C. Moses Mabhida railway station
    Moses Mabhida railway station is a passenger rail station in Durban, South Africa, serving visitors to the nearby Moses Mabhida Stadium and surrounding areas.
  • D. Ndola railway station
    Ndola railway station is a major rail transport hub in Ndola, Zambia, serving as a key junction for passenger and freight services in the country’s railway system.
  • E. Victoria Falls railway station
    Victoria Falls railway station is the main rail terminus serving the town of Victoria Falls in Zimbabwe, providing access for tourists and locals to the famous waterfall and surrounding region.
  • 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.