Triple

T22502683

Position	Surface form	Disambiguated ID	Type / Status
Subject	Brighton Beach Line	`E556313`	entity
Predicate	connectsWith	`P37`	FINISHED
Object	West End Line at Coney Island–Stillwell Avenue The West End Line at Coney Island–Stillwell Avenue is a major New York City Subway terminal in Brooklyn that serves as the southern terminus for the D train and a key hub for multiple subway lines at Coney Island.	`E1543877`	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: West End Line at Coney Island–Stillwell Avenue | Statement: [Brighton Beach Line, connectsWith, West End Line at Coney Island–Stillwell Avenue]

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

Target entity: West End Line at Coney Island–Stillwell Avenue
Context triple: [Brighton Beach Line, connectsWith, West End Line at Coney Island–Stillwell Avenue]

A. Culver Line at Coney Island–Stillwell Avenue
The Culver Line at Coney Island–Stillwell Avenue is a New York City Subway line terminal in Brooklyn that serves as a major southern endpoint and transfer hub for multiple subway services.
B. BMT Brighton Line at Coney Island–Stillwell Avenue
BMT Brighton Line at Coney Island–Stillwell Avenue is a New York City Subway terminal complex in Brooklyn where the Brighton Line and several other lines converge at the large Coney Island–Stillwell Avenue station.
C. Sea Beach Line at Coney Island–Stillwell Avenue
The Sea Beach Line at Coney Island–Stillwell Avenue is a New York City Subway service terminal in Coney Island that serves as a major hub for trains on the BMT Sea Beach Line.
D. Coney Island–Stillwell Avenue station
Coney Island–Stillwell Avenue station is a major New York City Subway terminal in Brooklyn that serves as the primary transit hub for the Coney Island neighborhood.
E. Broadway Line (Brooklyn)
The Broadway Line in Brooklyn is a New York City Subway corridor in Brooklyn that carries services such as the Second Avenue–Broadway Express and connects local neighborhoods to Manhattan-bound routes.
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: West End Line at Coney Island–Stillwell Avenue
Triple: [Brighton Beach Line, connectsWith, West End Line at Coney Island–Stillwell Avenue]

Generated description

The West End Line at Coney Island–Stillwell Avenue is a major New York City Subway terminal in Brooklyn that serves as the southern terminus for the D train and a key hub for multiple subway lines at Coney Island.

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

Target entity: West End Line at Coney Island–Stillwell Avenue
Target entity description: The West End Line at Coney Island–Stillwell Avenue is a major New York City Subway terminal in Brooklyn that serves as the southern terminus for the D train and a key hub for multiple subway lines at Coney Island.

A. Culver Line at Coney Island–Stillwell Avenue
The Culver Line at Coney Island–Stillwell Avenue is a New York City Subway line terminal in Brooklyn that serves as a major southern endpoint and transfer hub for multiple subway services.
B. BMT Brighton Line at Coney Island–Stillwell Avenue
BMT Brighton Line at Coney Island–Stillwell Avenue is a New York City Subway terminal complex in Brooklyn where the Brighton Line and several other lines converge at the large Coney Island–Stillwell Avenue station.
C. Sea Beach Line at Coney Island–Stillwell Avenue
The Sea Beach Line at Coney Island–Stillwell Avenue is a New York City Subway service terminal in Coney Island that serves as a major hub for trains on the BMT Sea Beach Line.
D. Coney Island–Stillwell Avenue station
Coney Island–Stillwell Avenue station is a major New York City Subway terminal in Brooklyn that serves as the primary transit hub for the Coney Island neighborhood.
E. Broadway Line (Brooklyn)
The Broadway Line in Brooklyn is a New York City Subway corridor in Brooklyn that carries services such as the Second Avenue–Broadway Express and connects local neighborhoods to Manhattan-bound routes.
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_69e11e5445bc8190b6a9481926db3355`	completed	April 16, 2026, 5:37 p.m.
NER	Named-entity recognition	`batch_69f15cb6b47481909855fe93e95da7e7`	completed	April 29, 2026, 1:19 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0b2d57fc2c8190a811a3306d308c2f`	completed	May 18, 2026, 3:16 p.m.
NEDg	Description generation	`batch_6a0b3645f5a881908b322d16c7704e27`	completed	May 18, 2026, 3:54 p.m.
NED2	Entity disambiguation (via description)	`batch_6a0b3769c36081909ff732275513bb2b`	completed	May 18, 2026, 3:59 p.m.

Created at: April 16, 2026, 8:50 p.m.