Triple

T1078248

Position	Surface form	Disambiguated ID	Type / Status
Subject	NRPC	`E23886`	entity
Predicate	governingBody	`P46`	FINISHED
Object	Board of Directors of the National Railroad Passenger Corporation The Board of Directors of the National Railroad Passenger Corporation is the governing body responsible for overseeing the management, policies, and strategic direction of Amtrak, the United States’ national intercity passenger rail service.	`E123489`	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 National Railroad Passenger Corporation | Statement: [NRPC, governingBody, Board of Directors of the National Railroad Passenger Corporation]

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

Target entity: Board of Directors of the National Railroad Passenger Corporation
Context triple: [NRPC, governingBody, Board of Directors of the National Railroad Passenger Corporation]

A. Board of Directors of NJ Transit
The Board of Directors of NJ Transit is the governing body that oversees policy, strategic direction, and fiscal and operational decisions for New Jersey’s statewide public transportation agency.
B. Surface Transportation Board
The Surface Transportation Board is an independent U.S. federal agency that oversees and adjudicates economic regulation of the nation’s railroads and certain other surface transportation carriers.
C. Association of American Railroads
The Association of American Railroads is a trade group representing major freight and passenger railroads in North America, focusing on industry policy, safety standards, and technological research.
D. Federal Passenger Company
Federal Passenger Company is a major Russian rail operator responsible for long-distance passenger train services across Russia and neighboring countries.
E. Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
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 National Railroad Passenger Corporation
Triple: [NRPC, governingBody, Board of Directors of the National Railroad Passenger Corporation]

Generated description

The Board of Directors of the National Railroad Passenger Corporation is the governing body responsible for overseeing the management, policies, and strategic direction of Amtrak, the United States’ national intercity passenger rail service.

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

Target entity: Board of Directors of the National Railroad Passenger Corporation
Target entity description: The Board of Directors of the National Railroad Passenger Corporation is the governing body responsible for overseeing the management, policies, and strategic direction of Amtrak, the United States’ national intercity passenger rail service.

A. Board of Directors of NJ Transit
The Board of Directors of NJ Transit is the governing body that oversees policy, strategic direction, and fiscal and operational decisions for New Jersey’s statewide public transportation agency.
B. Surface Transportation Board
The Surface Transportation Board is an independent U.S. federal agency that oversees and adjudicates economic regulation of the nation’s railroads and certain other surface transportation carriers.
C. Association of American Railroads
The Association of American Railroads is a trade group representing major freight and passenger railroads in North America, focusing on industry policy, safety standards, and technological research.
D. Federal Passenger Company
Federal Passenger Company is a major Russian rail operator responsible for long-distance passenger train services across Russia and neighboring countries.
E. Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
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_69a493f1ddf48190a99d54b00e99f8ce`	completed	March 1, 2026, 7:30 p.m.
NER	Named-entity recognition	`batch_69a4b943b41481909b24050ca7e78971`	completed	March 1, 2026, 10:10 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69ac42abc7a08190a34f5b2d393db30e`	completed	March 7, 2026, 3:22 p.m.
NEDg	Description generation	`batch_69ac4336328481908aba0260c6504a1a`	completed	March 7, 2026, 3:24 p.m.
NED2	Entity disambiguation (via description)	`batch_69ac43b578d48190af1478c9f6c8f712`	completed	March 7, 2026, 3:26 p.m.

Created at: March 1, 2026, 7:42 p.m.