West End Line
E546605
The West End Line is a New York City subway route in Brooklyn that historically formed part of the Brooklyn Rapid Transit Company’s elevated and surface rail network.
All labels observed (2)
| Label | Occurrences |
|---|---|
| West End Line canonical | 4 |
| D20 (West End Line portion) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5814011 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West End Line Context triple: [Brooklyn Rapid Transit Company, operatedLine, West End Line]
-
A.
Northern line
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
B.
South London Line
The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
-
C.
Myrtle Avenue Line
The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
-
D.
Piccadilly line
The Piccadilly line is a major deep-level London Underground route running from the north and west suburbs through central London, serving key destinations including Heathrow Airport.
-
E.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: West End Line Target entity description: The West End Line is a New York City subway route in Brooklyn that historically formed part of the Brooklyn Rapid Transit Company’s elevated and surface rail network.
-
A.
Northern line
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
B.
South London Line
The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
-
C.
Myrtle Avenue Line
The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
-
D.
Piccadilly line
The Piccadilly line is a major deep-level London Underground route running from the north and west suburbs through central London, serving key destinations including Heathrow Airport.
-
E.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf | New York City Subway line ⓘ |
| borough | Brooklyn ⓘ |
| category |
BMT lines
ⓘ
New York City Subway lines in Brooklyn ⓘ |
| character |
elevated
ⓘ
open-cut ⓘ surface (historically) ⓘ |
| connectsTo |
Coney Island–Stillwell Avenue station
ⓘ
Fourth Avenue Line ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| division |
B Division
ⓘ
BMT Division ⓘ |
| electrification | 600 V DC third rail ⓘ |
| formerOperator |
Brooklyn Rapid Transit Company
ⓘ
Brooklyn–Manhattan Transit Corporation ⓘ |
| hasLocale | South Brooklyn ⓘ |
| hasService |
D train (current primary service)
ⓘ
linked to:
D train
|
| hasStructure |
elevated viaduct over New Utrecht Avenue
ⓘ
open-cut section near Coney Island ⓘ |
| historicalConnection | Brooklyn Bridge elevated services (via BRT/BMT network) ⓘ |
| historicalType |
elevated railway
ⓘ
surface railway ⓘ |
| laterConvertedTo | elevated line ⓘ |
| laterIntegratedInto |
BMT West End Line of the New York City Subway
ⓘ
linked to:
BMT West End Line
|
| locatedIn |
Brooklyn
ⓘ
New York City ⓘ New York State ⓘ |
| openedAs | surface excursion railway to Coney Island (19th century) ⓘ |
| operator | New York City Transit Authority ⓘ |
| owner |
City of New York
ⓘ
linked to:
New York City
|
| partOf |
Brooklyn Rapid Transit Company network (historically)
ⓘ
linked to:
Brooklyn Rapid Transit Company
Brooklyn–Manhattan Transit system (historically) ⓘ
linked to:
Brooklyn–Manhattan Transit Corporation
|
| servesNeighborhood |
Bath Beach
ⓘ
Borough Park ⓘ Coney Island ⓘ New Utrecht ⓘ Sunset Park ⓘ |
| system | New York City Subway ⓘ |
| terminus |
36th Street (via connection to Fourth Avenue Line)
ⓘ
linked to:
36th Street (BMT Fourth Avenue Line)
Coney Island–Stillwell Avenue ⓘ |
| trackGauge | standard gauge ⓘ |
| usesRollingStock | B Division subway cars ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: West End Line Description of subject: The West End Line is a New York City subway route in Brooklyn that historically formed part of the Brooklyn Rapid Transit Company’s elevated and surface rail network.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: West End Line