Triple

T12178208

Position	Surface form	Disambiguated ID	Type / Status
Subject	Ann Arbor Area Transportation Authority	`E290143`	entity
Predicate	governingBody	`P46`	FINISHED
Object	Board of Directors of the Ann Arbor Area Transportation Authority The Board of Directors of the Ann Arbor Area Transportation Authority is the policy-making and oversight body responsible for guiding the strategic direction, budgeting, and operations of public transit services in the Ann Arbor area.	`E967556`	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: Board of Directors of the Ann Arbor Area Transportation Authority | Statement: [Ann Arbor Area Transportation Authority, governingBody, Board of Directors of the Ann Arbor Area Transportation Authority]

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

Target entity: Board of Directors of the Ann Arbor Area Transportation Authority
Context triple: [Ann Arbor Area Transportation Authority, governingBody, Board of Directors of the Ann Arbor Area Transportation Authority]

A. 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.
B. Board of Trustees of Greater Cleveland Regional Transit Authority
The Board of Trustees of the Greater Cleveland Regional Transit Authority is the governing body responsible for overseeing policy, budgeting, and strategic direction for Cleveland’s public transit system, including its rail operations.
C. Board of Directors of Long Beach Transit
The Board of Directors of Long Beach Transit is the policy-making and oversight body responsible for guiding the strategic direction and management of the public transit agency serving Long Beach, California.
D. Board of Trustees of Champaign–Urbana Mass Transit District
The Board of Trustees of the Champaign–Urbana Mass Transit District is the governing body responsible for overseeing policy, budgeting, and strategic direction for public transportation services in the Champaign–Urbana area of Illinois.
E. 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.
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: Board of Directors of the Ann Arbor Area Transportation Authority
Triple: [Ann Arbor Area Transportation Authority, governingBody, Board of Directors of the Ann Arbor Area Transportation Authority]

Generated description

The Board of Directors of the Ann Arbor Area Transportation Authority is the policy-making and oversight body responsible for guiding the strategic direction, budgeting, and operations of public transit services in the Ann Arbor area.

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

Target entity: Board of Directors of the Ann Arbor Area Transportation Authority
Target entity description: The Board of Directors of the Ann Arbor Area Transportation Authority is the policy-making and oversight body responsible for guiding the strategic direction, budgeting, and operations of public transit services in the Ann Arbor area.

A. 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.
B. Board of Trustees of Greater Cleveland Regional Transit Authority
The Board of Trustees of the Greater Cleveland Regional Transit Authority is the governing body responsible for overseeing policy, budgeting, and strategic direction for Cleveland’s public transit system, including its rail operations.
C. Board of Directors of Long Beach Transit
The Board of Directors of Long Beach Transit is the policy-making and oversight body responsible for guiding the strategic direction and management of the public transit agency serving Long Beach, California.
D. Board of Trustees of Champaign–Urbana Mass Transit District
The Board of Trustees of the Champaign–Urbana Mass Transit District is the governing body responsible for overseeing policy, budgeting, and strategic direction for public transportation services in the Champaign–Urbana area of Illinois.
E. 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.
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_69d6ab4d6c00819095a9a7c35de83cfb`	completed	April 8, 2026, 7:23 p.m.
NER	Named-entity recognition	`batch_69d915fa6ff08190a1ddb3606c229cad`	completed	April 10, 2026, 3:23 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f5f6ab19288190a882c842d74a2e30`	completed	May 2, 2026, 1:05 p.m.
NEDg	Description generation	`batch_69f600b7e1788190b1df4fdfd96118d0`	completed	May 2, 2026, 1:48 p.m.
NED2	Entity disambiguation (via description)	`batch_69f604c4ef7c8190bc128b1aa535744d`	completed	May 2, 2026, 2:05 p.m.

Created at: April 8, 2026, 9:50 p.m.