Triple

T13455505

Position	Surface form	Disambiguated ID	Type / Status
Subject	IND/BMT Division	`E311220`	entity
Predicate	hasControlCenter	`P49780`	FINISHED
Object	New York City Transit Rail Control Center The New York City Transit Rail Control Center is the centralized operations hub that monitors and manages subway train movements and service across much of the New York City Transit system.	`E1041506`	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: New York City Transit Rail Control Center | Statement: [IND/BMT Division, hasControlCenter, New York City Transit Rail Control Center]

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

Target entity: New York City Transit Rail Control Center
Context triple: [IND/BMT Division, hasControlCenter, New York City Transit Rail Control Center]

A. New York City Transit rail yard network
The New York City Transit rail yard network is a system of maintenance, storage, and support facilities that service and house subway trains across the New York City Subway system.
B. Metropolitan Transportation Authority rail yard
The Metropolitan Transportation Authority rail yard is a major train storage and maintenance facility on Manhattan’s West Side that historically served as a key operations hub for New York City’s commuter rail system.
C. Staten Island Railway Clifton Yard
Staten Island Railway Clifton Yard is a rail yard facility on Staten Island used for storing, maintaining, and dispatching Staten Island Railway trains.
D. Grand Central LIRR terminal
Grand Central LIRR terminal is the Long Island Rail Road’s major Manhattan hub located beneath Grand Central Terminal, providing expanded commuter rail service on the East Side of Midtown.
E. New York City Subway at Woodside–61st Street
The New York City Subway at Woodside–61st Street is a major Queens transit hub on the 7 line that provides a key transfer point between the subway and Long Island Rail Road commuter rail service.
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: New York City Transit Rail Control Center
Triple: [IND/BMT Division, hasControlCenter, New York City Transit Rail Control Center]

Generated description

The New York City Transit Rail Control Center is the centralized operations hub that monitors and manages subway train movements and service across much of the New York City Transit system.

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

Target entity: New York City Transit Rail Control Center
Target entity description: The New York City Transit Rail Control Center is the centralized operations hub that monitors and manages subway train movements and service across much of the New York City Transit system.

A. New York City Transit rail yard network
The New York City Transit rail yard network is a system of maintenance, storage, and support facilities that service and house subway trains across the New York City Subway system.
B. Metropolitan Transportation Authority rail yard
The Metropolitan Transportation Authority rail yard is a major train storage and maintenance facility on Manhattan’s West Side that historically served as a key operations hub for New York City’s commuter rail system.
C. Staten Island Railway Clifton Yard
Staten Island Railway Clifton Yard is a rail yard facility on Staten Island used for storing, maintaining, and dispatching Staten Island Railway trains.
D. Grand Central LIRR terminal
Grand Central LIRR terminal is the Long Island Rail Road’s major Manhattan hub located beneath Grand Central Terminal, providing expanded commuter rail service on the East Side of Midtown.
E. New York City Subway at Woodside–61st Street
The New York City Subway at Woodside–61st Street is a major Queens transit hub on the 7 line that provides a key transfer point between the subway and Long Island Rail Road commuter rail service.
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_69d806a938b8819097ec43a2229fc7f9`	completed	April 9, 2026, 8:06 p.m.
NER	Named-entity recognition	`batch_69dbaefc52448190b30d7999f44a9765`	completed	April 12, 2026, 2:41 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f7399e33008190b10c14f30ff0c0d2`	completed	May 3, 2026, 12:03 p.m.
NEDg	Description generation	`batch_69f73e59f4d88190b13904a347072cdd`	completed	May 3, 2026, 12:23 p.m.
NED2	Entity disambiguation (via description)	`batch_69f73ece474c81909007cf1330a5b8c1`	completed	May 3, 2026, 12:25 p.m.

Created at: April 9, 2026, 9:41 p.m.