Triple

T11571400
Position Surface form Disambiguated ID Type / Status
Subject National Railways of Zimbabwe E274393 entity
Predicate hasSecondaryHub P8522 FINISHED
Object Harare railway station
Harare railway station is the main passenger and rail transport hub in Zimbabwe’s capital city, serving as a key node in the country’s railway network.
 E935364 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 railway station | Statement: [National Railways of Zimbabwe, hasSecondaryHub, Harare railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harare railway station
Context triple: [National Railways of Zimbabwe, hasSecondaryHub, Harare railway station]
  • A. 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.
  • 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. Lusaka railway station
    Lusaka railway station is a major rail transport hub in Zambia’s capital city, serving passenger and freight services on the country’s main railway network.
  • D. 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.
  • E. Mount Pleasant, Harare
    Mount Pleasant, Harare is a northern suburb of Zimbabwe’s capital city known for hosting major educational institutions, including the University of Zimbabwe.
  • 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 railway station
Triple: [National Railways of Zimbabwe, hasSecondaryHub, Harare railway station]
Generated description
Harare railway station is the main passenger and rail transport hub in Zimbabwe’s capital city, serving as a key node in the country’s railway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Harare railway station
Target entity description: Harare railway station is the main passenger and rail transport hub in Zimbabwe’s capital city, serving as a key node in the country’s railway network.
  • A. 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.
  • 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. Lusaka railway station
    Lusaka railway station is a major rail transport hub in Zambia’s capital city, serving passenger and freight services on the country’s main railway network.
  • D. 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.
  • E. Mount Pleasant, Harare
    Mount Pleasant, Harare is a northern suburb of Zimbabwe’s capital city known for hosting major educational institutions, including the University of Zimbabwe.
  • 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_69e713d18ccc8190a63256c3cc1c2f59 completed April 21, 2026, 6:06 a.m.
NEDg Description generation batch_69e720f4015c81909ba7973c3e781985 completed April 21, 2026, 7:02 a.m.
NED2 Entity disambiguation (via description) batch_69e75a7a04c88190bb8f3dd3f3e435ef completed April 21, 2026, 11:07 a.m.
Created at: April 8, 2026, 9:38 p.m.