Triple

T723059

Position	Surface form	Disambiguated ID	Type / Status
Subject	Metropolitan Atlanta Rapid Transit Authority	`E14659`	entity
Predicate	governingBody	`P46`	FINISHED
Object	MARTA Board of Directors The MARTA Board of Directors is the policy-making and oversight body that directs the operations, finances, and strategic planning of Atlanta’s regional public transit system.	`E86714`	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: MARTA Board of Directors | Statement: [Metropolitan Atlanta Rapid Transit Authority, governingBody, MARTA Board of Directors]

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

Target entity: MARTA Board of Directors
Context triple: [Metropolitan Atlanta Rapid Transit Authority, governingBody, MARTA Board of Directors]

A. Metro Board of Directors
The Metro Board of Directors is the policy-making body that oversees planning, funding, and operation of Los Angeles County’s public transportation system.
B. Metropolitan Atlanta Rapid Transit Authority (MARTA)
The Metropolitan Atlanta Rapid Transit Authority (MARTA) is the primary public transportation agency serving the Atlanta metropolitan area, operating a network of heavy rail, bus, and paratransit services.
C. Board of Directors of the San Mateo County Transit District
The Board of Directors of the San Mateo County Transit District is the policy-making and oversight body that directs and supervises the operations, budget, and strategic planning of SamTrans public transportation services in San Mateo County, California.
D. VTA Board of Directors
The VTA Board of Directors is the policy-making and oversight body that directs the operations, funding priorities, and strategic planning of Santa Clara County’s public transit system.
E. TriMet Board of Directors
The TriMet Board of Directors is the policy-making and oversight body that directs the operations and strategic decisions of the Portland-area public transit agency TriMet.
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: MARTA Board of Directors
Triple: [Metropolitan Atlanta Rapid Transit Authority, governingBody, MARTA Board of Directors]

Generated description

The MARTA Board of Directors is the policy-making and oversight body that directs the operations, finances, and strategic planning of Atlanta’s regional public transit system.

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

Target entity: MARTA Board of Directors
Target entity description: The MARTA Board of Directors is the policy-making and oversight body that directs the operations, finances, and strategic planning of Atlanta’s regional public transit system.

A. Metro Board of Directors
The Metro Board of Directors is the policy-making body that oversees planning, funding, and operation of Los Angeles County’s public transportation system.
B. Metropolitan Atlanta Rapid Transit Authority (MARTA)
The Metropolitan Atlanta Rapid Transit Authority (MARTA) is the primary public transportation agency serving the Atlanta metropolitan area, operating a network of heavy rail, bus, and paratransit services.
C. Board of Directors of the San Mateo County Transit District
The Board of Directors of the San Mateo County Transit District is the policy-making and oversight body that directs and supervises the operations, budget, and strategic planning of SamTrans public transportation services in San Mateo County, California.
D. VTA Board of Directors
The VTA Board of Directors is the policy-making and oversight body that directs the operations, funding priorities, and strategic planning of Santa Clara County’s public transit system.
E. TriMet Board of Directors
The TriMet Board of Directors is the policy-making and oversight body that directs the operations and strategic decisions of the Portland-area public transit agency TriMet.
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_69a4934c753c81909b309027e48b9b3a`	completed	March 1, 2026, 7:28 p.m.
NER	Named-entity recognition	`batch_69a4a5a5360c8190b16e1e4f4206d0aa`	completed	March 1, 2026, 8:46 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69a6375c16488190a8509e1e2b5c6a7d`	completed	March 3, 2026, 1:20 a.m.
NEDg	Description generation	`batch_69a63bb28e1c8190bb363ef7d389dddd`	completed	March 3, 2026, 1:38 a.m.
NED2	Entity disambiguation (via description)	`batch_69a63c2ac310819095eacf5017a637f2`	completed	March 3, 2026, 1:40 a.m.

Created at: March 1, 2026, 7:37 p.m.