Lexington Avenue Express (4)
E768213
The Lexington Avenue Express (4) is a New York City Subway rapid transit service running along the IRT Lexington Avenue Line in Manhattan and extending into the Bronx and Brooklyn.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lexington Avenue Express | 1 |
| Lexington Avenue Express (4) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8943922 — 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: Lexington Avenue Express (4) Context triple: [Woodlawn station (IRT Jerome Avenue Line), service, Lexington Avenue Express (4)]
-
A.
Lexington Avenue Express (5)
The Lexington Avenue Express (5) is a New York City Subway service that runs as a key north–south express route through Manhattan and the Bronx, extending into Brooklyn.
-
B.
Lexington Avenue Express (2)
The Lexington Avenue Express (2) is a New York City Subway service that runs on the IRT Broadway–Seventh Avenue Line in Manhattan and Brooklyn, providing rapid transit between the Bronx, Manhattan, and Brooklyn.
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C.
N Broadway Express
The N Broadway Express is a New York City Subway service that runs along the BMT Broadway Line in Manhattan and into Brooklyn, operating primarily as an express route.
-
D.
L.A. Express
L.A. Express was a prominent 1970s jazz-fusion band best known for serving as Joni Mitchell’s touring and recording ensemble during her mid-’70s electric period.
-
E.
D Sixth Avenue Express
The D Sixth Avenue Express is a New York City Subway service that runs primarily along the IND Sixth Avenue Line, providing express transit through Manhattan and connecting to the Bronx and Brooklyn.
- 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: Lexington Avenue Express (4) Target entity description: The Lexington Avenue Express (4) is a New York City Subway rapid transit service running along the IRT Lexington Avenue Line in Manhattan and extending into the Bronx and Brooklyn.
-
A.
Lexington Avenue Express (5)
The Lexington Avenue Express (5) is a New York City Subway service that runs as a key north–south express route through Manhattan and the Bronx, extending into Brooklyn.
-
B.
Lexington Avenue Express (2)
The Lexington Avenue Express (2) is a New York City Subway service that runs on the IRT Broadway–Seventh Avenue Line in Manhattan and Brooklyn, providing rapid transit between the Bronx, Manhattan, and Brooklyn.
-
C.
N Broadway Express
The N Broadway Express is a New York City Subway service that runs along the BMT Broadway Line in Manhattan and into Brooklyn, operating primarily as an express route.
-
D.
L.A. Express
L.A. Express was a prominent 1970s jazz-fusion band best known for serving as Joni Mitchell’s touring and recording ensemble during her mid-’70s electric period.
-
E.
D Sixth Avenue Express
The D Sixth Avenue Express is a New York City Subway service that runs primarily along the IND Sixth Avenue Line, providing express transit through Manhattan and connecting to the Bronx and Brooklyn.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway service
ⓘ
rapid transit service ⓘ |
| accessibilityPolicy | serves ADA-accessible stations along route ⓘ |
| alsoKnownAs |
4 train
NERFINISHED
ⓘ
IRT Lexington Avenue Line express service NERFINISHED ⓘ |
| boroughServed |
Brooklyn
ⓘ
Manhattan ⓘ The Bronx NERFINISHED ⓘ |
| color | dark green ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| division | IRT ⓘ |
| electrification | 600 V DC third rail ⓘ |
| farePaymentMethod |
MetroCard
NERFINISHED
ⓘ
OMNY NERFINISHED ⓘ |
| fareSystem | MTA New York City Subway fare system ⓘ |
| gauge | standard gauge ⓘ |
| hasPlatformConfiguration | mostly island platforms on express stops ⓘ |
| historicalPredecessor | Interborough Rapid Transit Company services ⓘ |
| lineUsed |
IRT Eastern Parkway Line
NERFINISHED
ⓘ
IRT Jerome Avenue Line NERFINISHED ⓘ IRT Lexington Avenue Line NERFINISHED ⓘ IRT New Lots Line NERFINISHED ⓘ |
| locale | New York City NERFINISHED ⓘ |
| nightServicePattern | local in Brooklyn ⓘ |
| openingDate | early 20th century ⓘ |
| operator |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority NERFINISHED ⓘ |
| primaryCorridor | Lexington Avenue in Manhattan NERFINISHED ⓘ |
| rollingStockType | A Division subway cars ⓘ |
| routeSymbol | 4 ⓘ |
| safetySystem | wayside signals ⓘ |
| serviceFrequency | 24 hours daily ⓘ |
| servicePattern |
express in Brooklyn
ⓘ
express in Manhattan ⓘ local in The Bronx ⓘ |
| serviceType | trunk line express ⓘ |
| sharesTrunkLineWith |
Lexington Avenue Express (5)
NERFINISHED
ⓘ
Lexington Avenue Local (6) NERFINISHED ⓘ |
| system | New York City Subway ⓘ |
| usesSignageColorFamily | Lexington Avenue Line services NERFINISHED ⓘ |
| weekdayRushPattern | full-length express service ⓘ |
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: Lexington Avenue Express (4) Description of subject: The Lexington Avenue Express (4) is a New York City Subway rapid transit service running along the IRT Lexington Avenue Line in Manhattan and extending into the Bronx and Brooklyn.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lexington Avenue Express