4 (IND Sixth Avenue Line)
E660422
The 4 (IND Sixth Avenue Line) is one of the numbered tracks on New York City's IND Sixth Avenue Line, used to route subway trains through Midtown Manhattan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 4 (IND Sixth Avenue Line) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7371731 — 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: 4 (IND Sixth Avenue Line) Context triple: [42nd Street–Bryant Park station, hasTracks, 4 (IND Sixth Avenue Line)]
-
A.
D (IND Sixth Avenue Line)
The D (IND Sixth Avenue Line) is a New York City Subway service that runs primarily along the Sixth Avenue Line in Manhattan, connecting the Bronx, Manhattan, and Brooklyn.
-
B.
Fourth Avenue Line
The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
-
C.
Jerome Avenue Line
The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
-
D.
Seventh Avenue Line
The Seventh Avenue Line is a major New York City Subway trunk route running along Manhattan’s Seventh Avenue, serving as a key north–south corridor for multiple subway services.
-
E.
Ninth Avenue Line
The Ninth Avenue Line was New York City's first elevated railway, running along Manhattan's West Side and serving as a key component of the early rapid transit system before its eventual demolition.
- 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: 4 (IND Sixth Avenue Line) Target entity description: The 4 (IND Sixth Avenue Line) is one of the numbered tracks on New York City's IND Sixth Avenue Line, used to route subway trains through Midtown Manhattan.
-
A.
D (IND Sixth Avenue Line)
The D (IND Sixth Avenue Line) is a New York City Subway service that runs primarily along the Sixth Avenue Line in Manhattan, connecting the Bronx, Manhattan, and Brooklyn.
-
B.
Fourth Avenue Line
The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
-
C.
Jerome Avenue Line
The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
-
D.
Seventh Avenue Line
The Seventh Avenue Line is a major New York City Subway trunk route running along Manhattan’s Seventh Avenue, serving as a key north–south corridor for multiple subway services.
-
E.
Ninth Avenue Line
The Ninth Avenue Line was New York City's first elevated railway, running along Manhattan's West Side and serving as a key component of the early rapid transit system before its eventual demolition.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
numbered track
ⓘ
subway track ⓘ |
| belongsToCorridor |
Sixth Avenue subway corridor in Manhattan
ⓘ
linked to:
Sixth Avenue corridor in Lower Manhattan
|
| connectsArea |
Lower Midtown Manhattan
ⓘ
linked to:
Midtown Manhattan
Upper Midtown Manhattan ⓘ
linked to:
Midtown Manhattan
|
| electrification | 600 V DC third rail ⓘ |
| gauge | standard gauge ⓘ |
| hasRightOfWayType | underground ⓘ |
| hasTrackType | rapid transit track ⓘ |
| lineType | local and express trunk line infrastructure ⓘ |
| locatedIn |
Manhattan
ⓘ
Midtown Manhattan ⓘ New York City ⓘ New York State ⓘ United States ⓘ
linked to:
United States of America
|
| operatedBy |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority ⓘ |
| ownedBy |
City of New York
ⓘ
linked to:
New York City
|
| partOf | IND Sixth Avenue Line ⓘ |
| partOfDivision | IND Division ⓘ |
| partOfSystem | New York City Subway ⓘ |
| trackNumberWithinLine | 4 ⓘ |
| usedBy | B Division subway trains ⓘ |
| usedFor |
carrying IND Sixth Avenue Line services through Midtown Manhattan
ⓘ
routing subway trains ⓘ |
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: 4 (IND Sixth Avenue Line) Description of subject: The 4 (IND Sixth Avenue Line) is one of the numbered tracks on New York City's IND Sixth Avenue Line, used to route subway trains through Midtown Manhattan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
42 St–Bryant Park subway station