Triple

T11137590
Position Surface form Disambiguated ID Type / Status
Subject Kericho District E263453 entity
Predicate railwayServedBy P782 FINISHED
Object Kenya-Uganda Railway (through Kipkelion / Fort Ternan area)
The Kenya-Uganda Railway (through the Kipkelion / Fort Ternan area) is a historic segment of the colonial-era rail line that linked the Kenyan highlands to the main route between Mombasa and Uganda, facilitating regional trade and settlement.
E907414 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: Kenya-Uganda Railway (through Kipkelion / Fort Ternan area) | Statement: [Kericho District, railwayServedBy, Kenya-Uganda Railway (through Kipkelion / Fort Ternan area)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kenya-Uganda Railway (through Kipkelion / Fort Ternan area)
Context triple: [Kericho District, railwayServedBy, Kenya-Uganda Railway (through Kipkelion / Fort Ternan area)]
  • A. Mombasa–Nairobi railway
    The Mombasa–Nairobi railway is a major rail line in Kenya linking the coastal city of Mombasa with the capital Nairobi, historically significant for its role in colonial-era transport and regional development.
  • B. Tabora–Kigoma railway
    The Tabora–Kigoma railway is a key western Tanzanian rail line connecting the inland rail hub of Tabora to the port town of Kigoma on Lake Tanganyika, facilitating regional trade and passenger transport.
  • C. Tabora–Mpanda railway
    The Tabora–Mpanda railway is a regional rail line in western Tanzania that connects the town of Tabora with Mpanda, supporting transport and economic activity across the area.
  • D. Tanzanian railway network
    The Tanzanian railway network is the national system of rail lines that connects major cities, ports, and inland regions across Tanzania for passenger and freight transport.
  • E. Tanzania–Zambia Railway (TAZARA)
    The Tanzania–Zambia Railway (TAZARA) is a major bi-national rail line built with Chinese assistance that links landlocked Zambia to the Tanzanian port of Dar es Salaam, serving as a key transport and trade corridor in East and Southern Africa.
  • 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: Kenya-Uganda Railway (through Kipkelion / Fort Ternan area)
Triple: [Kericho District, railwayServedBy, Kenya-Uganda Railway (through Kipkelion / Fort Ternan area)]
Generated description
The Kenya-Uganda Railway (through the Kipkelion / Fort Ternan area) is a historic segment of the colonial-era rail line that linked the Kenyan highlands to the main route between Mombasa and Uganda, facilitating regional trade and settlement.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kenya-Uganda Railway (through Kipkelion / Fort Ternan area)
Target entity description: The Kenya-Uganda Railway (through the Kipkelion / Fort Ternan area) is a historic segment of the colonial-era rail line that linked the Kenyan highlands to the main route between Mombasa and Uganda, facilitating regional trade and settlement.
  • A. Mombasa–Nairobi railway
    The Mombasa–Nairobi railway is a major rail line in Kenya linking the coastal city of Mombasa with the capital Nairobi, historically significant for its role in colonial-era transport and regional development.
  • B. Tabora–Kigoma railway
    The Tabora–Kigoma railway is a key western Tanzanian rail line connecting the inland rail hub of Tabora to the port town of Kigoma on Lake Tanganyika, facilitating regional trade and passenger transport.
  • C. Tabora–Mpanda railway
    The Tabora–Mpanda railway is a regional rail line in western Tanzania that connects the town of Tabora with Mpanda, supporting transport and economic activity across the area.
  • D. Tanzanian railway network
    The Tanzanian railway network is the national system of rail lines that connects major cities, ports, and inland regions across Tanzania for passenger and freight transport.
  • E. Tanzania–Zambia Railway (TAZARA)
    The Tanzania–Zambia Railway (TAZARA) is a major bi-national rail line built with Chinese assistance that links landlocked Zambia to the Tanzanian port of Dar es Salaam, serving as a key transport and trade corridor in East and Southern Africa.
  • 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_69d6aa9c0ba08190bbd19c217489b755 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e85f2ea48190bf1ff63af1d7d236 completed April 9, 2026, 5:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69e442030b588190bc958030f30b648a completed April 19, 2026, 2:46 a.m.
NEDg Description generation batch_69e44c09dd5c8190bddf3dd109a639ba completed April 19, 2026, 3:29 a.m.
NED2 Entity disambiguation (via description) batch_69e451274ce48190a05f1d37f972c36c completed April 19, 2026, 3:51 a.m.
Created at: April 8, 2026, 9:28 p.m.