Triple

T9034936
Position Surface form Disambiguated ID Type / Status
Subject Nairobi Metropolitan Region E216466 entity
Predicate hasTransportInfrastructure P2560 FINISHED
Object Nairobi Expressway
Nairobi Expressway is a major tolled highway in Kenya that eases traffic congestion by providing a faster route between Jomo Kenyatta International Airport and central Nairobi.
E773379 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: Nairobi Expressway | Statement: [Nairobi Metropolitan Region, hasTransportInfrastructure, Nairobi Expressway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nairobi Expressway
Context triple: [Nairobi Metropolitan Region, hasTransportInfrastructure, Nairobi Expressway]
  • A. Nairobi–Nakuru Highway
    The Nairobi–Nakuru Highway is a key transport corridor in Kenya that links the capital Nairobi with the Rift Valley region and onward to western Kenya and neighboring countries.
  • B. Uhuru Highway
    Uhuru Highway is a major multi-lane roadway running through central Nairobi, Kenya, forming part of the city’s primary north–south transport corridor.
  • C. Lekki–Epe Expressway
    The Lekki–Epe Expressway is a major arterial highway in Lagos State, Nigeria, connecting the Lekki Peninsula to Epe and serving as a key route for commuters and regional development.
  • D. Thika Road
    Thika Road is a major multi-lane highway in Kenya that connects Nairobi to the industrial town of Thika and serves as a key transport corridor for the Nairobi metropolitan area.
  • E. Arusha–Dodoma road
    The Arusha–Dodoma road is a major Tanzanian highway linking the northern city of Arusha with the national capital, Dodoma, and serving as an important 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: Nairobi Expressway
Triple: [Nairobi Metropolitan Region, hasTransportInfrastructure, Nairobi Expressway]
Generated description
Nairobi Expressway is a major tolled highway in Kenya that eases traffic congestion by providing a faster route between Jomo Kenyatta International Airport and central Nairobi.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nairobi Expressway
Target entity description: Nairobi Expressway is a major tolled highway in Kenya that eases traffic congestion by providing a faster route between Jomo Kenyatta International Airport and central Nairobi.
  • A. Nairobi–Nakuru Highway
    The Nairobi–Nakuru Highway is a key transport corridor in Kenya that links the capital Nairobi with the Rift Valley region and onward to western Kenya and neighboring countries.
  • B. Uhuru Highway
    Uhuru Highway is a major multi-lane roadway running through central Nairobi, Kenya, forming part of the city’s primary north–south transport corridor.
  • C. Lekki–Epe Expressway
    The Lekki–Epe Expressway is a major arterial highway in Lagos State, Nigeria, connecting the Lekki Peninsula to Epe and serving as a key route for commuters and regional development.
  • D. Thika Road
    Thika Road is a major multi-lane highway in Kenya that connects Nairobi to the industrial town of Thika and serves as a key transport corridor for the Nairobi metropolitan area.
  • E. Arusha–Dodoma road
    The Arusha–Dodoma road is a major Tanzanian highway linking the northern city of Arusha with the national capital, Dodoma, and serving as an important 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_69ca83d10b608190b2b2f8e0a7faaf14 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cc6abf4af481908d21245332329d99 completed April 1, 2026, 12:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfdbce352c8190b5862d0cc103bfdb completed April 3, 2026, 3:25 p.m.
NEDg Description generation batch_69cfdcdb9d0c81908f89d2085c80016c completed April 3, 2026, 3:29 p.m.
NED2 Entity disambiguation (via description) batch_69cfdda4bf048190bc054fe9b1dcc98d completed April 3, 2026, 3:32 p.m.
Created at: March 30, 2026, 7:08 p.m.