4
E708640
The 4 train is a New York City Subway service that runs along the Lexington Avenue Line in Manhattan and extends into the Bronx and Brooklyn as part of the IRT division.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8038063 — 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 Context triple: [86th Street (IRT Lexington Avenue Line), servedByTrain, 4]
-
A.
4
"4" is Beyoncé's fourth studio album, showcasing a more mature R&B and soul sound and featuring hits like "Run the World (Girls)" and "Love on Top."
-
B.
7
7 is a New York City Subway service that runs along the IRT Flushing Line between Queens and Manhattan, known for connecting Flushing to Midtown and serving major hubs like Times Square.
-
C.
42
42 is a 2013 biographical sports film about baseball legend Jackie Robinson’s groundbreaking integration of Major League Baseball.
-
D.
ar
ar is a Unix utility for creating, modifying, and extracting from archive files, commonly used to build and manage static libraries.
-
E.
i
i is the imaginary unit, a complex number satisfying i² = −1 and serving as a fundamental building block in complex number systems such as the Gaussian integers.
- 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 Target entity description: The 4 train is a New York City Subway service that runs along the Lexington Avenue Line in Manhattan and extends into the Bronx and Brooklyn as part of the IRT division.
-
A.
4
"4" is Beyoncé's fourth studio album, showcasing a more mature R&B and soul sound and featuring hits like "Run the World (Girls)" and "Love on Top."
-
B.
7
7 is a New York City Subway service that runs along the IRT Flushing Line between Queens and Manhattan, known for connecting Flushing to Midtown and serving major hubs like Times Square.
-
C.
42
42 is a 2013 biographical sports film about baseball legend Jackie Robinson’s groundbreaking integration of Major League Baseball.
-
D.
ar
ar is a Unix utility for creating, modifying, and extracting from archive files, commonly used to build and manage static libraries.
-
E.
i
i is the imaginary unit, a complex number satisfying i² = −1 and serving as a fundamental building block in complex number systems such as the Gaussian integers.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway service
ⓘ
rapid transit service ⓘ |
| boroughServed |
Brooklyn
ⓘ
Manhattan ⓘ The Bronx NERFINISHED ⓘ |
| color | forest green ⓘ |
| colorHex | #00933C ⓘ |
| connectsBorough |
Manhattan to Brooklyn
ⓘ
The Bronx to Manhattan ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| division | IRT ⓘ |
| equipmentType | IRT A Division rolling stock ⓘ |
| fareMedium |
MetroCard
NERFINISHED
ⓘ
OMNY NERFINISHED ⓘ |
| fareSystem | Metropolitan Transportation Authority fare system NERFINISHED ⓘ |
| historicalOperator | Interborough Rapid Transit Company NERFINISHED ⓘ |
| lineGroupColor | Lexington Avenue Line services NERFINISHED ⓘ |
| nightServicePattern |
local in Brooklyn
ⓘ
local in Manhattan ⓘ |
| notableStation |
14th Street–Union Square
NERFINISHED
ⓘ
Atlantic Avenue–Barclays Center NERFINISHED ⓘ Fulton Street NERFINISHED ⓘ Grand Central–42nd Street NERFINISHED ⓘ Yankee Stadium–161st Street NERFINISHED ⓘ |
| operatedBy | New York City Transit Authority NERFINISHED ⓘ |
| operatingHours | 24 hours daily ⓘ |
| partOf | New York City Subway ⓘ |
| region | New York City NERFINISHED ⓘ |
| runsThrough | Lexington Avenue (Manhattan) NERFINISHED ⓘ |
| servicePattern |
express in Brooklyn (daytime)
ⓘ
express in Manhattan ⓘ local in Brooklyn (late nights) ⓘ local in The Bronx ⓘ |
| serviceType | express service ⓘ |
| sharesTrunkLineWith |
5 (New York City Subway service)
NERFINISHED
ⓘ
6 (New York City Subway service) NERFINISHED ⓘ 6 Express (New York City Subway service) NERFINISHED ⓘ |
| symbol | 4 in a green circle ⓘ |
| terminus |
Crown Heights–Utica Avenue
NERFINISHED
ⓘ
New Lots Avenue NERFINISHED ⓘ Woodlawn NERFINISHED ⓘ |
| usesLine |
IRT Eastern Parkway Line
NERFINISHED
ⓘ
IRT Jerome Avenue Line NERFINISHED ⓘ IRT Lexington Avenue Line NERFINISHED ⓘ IRT New Lots Line NERFINISHED ⓘ |
| usesRollingStock |
R142
NERFINISHED
ⓘ
R142A NERFINISHED ⓘ |
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 Description of subject: The 4 train is a New York City Subway service that runs along the Lexington Avenue Line in Manhattan and extends into the Bronx and Brooklyn as part of the IRT division.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
86th Street (IRT Lexington Avenue Line)