Triple

T9034939

Position	Surface form	Disambiguated ID	Type / Status
Subject	Nairobi Metropolitan Region	`E216466`	entity
Predicate	planningAuthority	`P11585`	FINISHED
Object	Nairobi Metropolitan Area Transport Authority The Nairobi Metropolitan Area Transport Authority is a Kenyan government agency responsible for coordinating, regulating, and improving public transport and mobility within the greater Nairobi metropolitan region.	`E773380`	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 Metropolitan Area Transport Authority | Statement: [Nairobi Metropolitan Region, planningAuthority, Nairobi Metropolitan Area Transport Authority]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Nairobi Metropolitan Area Transport Authority
Context triple: [Nairobi Metropolitan Region, planningAuthority, Nairobi Metropolitan Area Transport Authority]

A. Kenyan Ministry of Transport
The Kenyan Ministry of Transport is a government department responsible for formulating and implementing national policies on transportation infrastructure, services, and regulation in Kenya.
B. Nairobi City County Government
Nairobi City County Government is the devolved administrative authority responsible for governing and providing public services in Kenya’s capital, Nairobi.
C. Kampala Capital City Authority
Kampala Capital City Authority is the administrative body responsible for managing and overseeing the governance, infrastructure, and development of Uganda’s capital city, Kampala.
D. Transit Services Bureau
Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
E. BC Rapid Transit Company
BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
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 Metropolitan Area Transport Authority
Triple: [Nairobi Metropolitan Region, planningAuthority, Nairobi Metropolitan Area Transport Authority]

Generated description

The Nairobi Metropolitan Area Transport Authority is a Kenyan government agency responsible for coordinating, regulating, and improving public transport and mobility within the greater Nairobi metropolitan region.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Nairobi Metropolitan Area Transport Authority
Target entity description: The Nairobi Metropolitan Area Transport Authority is a Kenyan government agency responsible for coordinating, regulating, and improving public transport and mobility within the greater Nairobi metropolitan region.

A. Kenyan Ministry of Transport
The Kenyan Ministry of Transport is a government department responsible for formulating and implementing national policies on transportation infrastructure, services, and regulation in Kenya.
B. Nairobi City County Government
Nairobi City County Government is the devolved administrative authority responsible for governing and providing public services in Kenya’s capital, Nairobi.
C. Kampala Capital City Authority
Kampala Capital City Authority is the administrative body responsible for managing and overseeing the governance, infrastructure, and development of Uganda’s capital city, Kampala.
D. Transit Services Bureau
Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
E. BC Rapid Transit Company
BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
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.