B Line
E561875
The B Line is a New York City Subway service that runs through Brooklyn and Manhattan, typically operating as an express route on the Sixth Avenue Line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| B Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6017769 — 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: B Line Context triple: [Brooklyn, isServedBySubwayLine, B Line]
-
A.
B Line
The B Line is a heavy-rail subway line in the Los Angeles Metro Rail system that runs primarily beneath Hollywood and Downtown Los Angeles.
-
B.
Maritime Line
Maritime Line is a regional railway service in Cornwall, England, connecting Falmouth with the mainline rail network.
-
C.
Greenline
Greenline is a popular multi-use recreational trail associated with Shelby Farms Park in the Memphis, Tennessee area, used for walking, running, and cycling.
-
D.
U Line
U Line is a light metro line in the Seoul metropolitan area that serves the city of Uijeongbu with driverless trains on an elevated and mostly automated system.
-
E.
M-Line
M-Line is the commonly used name for the McKinney Avenue Trolley, a historic streetcar line operating in Dallas, Texas.
- 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: B Line Target entity description: The B Line is a New York City Subway service that runs through Brooklyn and Manhattan, typically operating as an express route on the Sixth Avenue Line.
-
A.
B Line
The B Line is a heavy-rail subway line in the Los Angeles Metro Rail system that runs primarily beneath Hollywood and Downtown Los Angeles.
-
B.
Maritime Line
Maritime Line is a regional railway service in Cornwall, England, connecting Falmouth with the mainline rail network.
-
C.
Greenline
Greenline is a popular multi-use recreational trail associated with Shelby Farms Park in the Memphis, Tennessee area, used for walking, running, and cycling.
-
D.
U Line
U Line is a light metro line in the Seoul metropolitan area that serves the city of Uijeongbu with driverless trains on an elevated and mostly automated system.
-
E.
M-Line
M-Line is the commonly used name for the McKinney Avenue Trolley, a historic streetcar line operating in Dallas, Texas.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway service
ⓘ
rapid transit service ⓘ |
| boroughServed |
Brooklyn
ⓘ
Manhattan ⓘ |
| city | New York City ⓘ |
| color | orange ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| division | IND Division ⓘ |
| electrification | 600 V DC third rail ⓘ |
| fareMediumAccepted |
MetroCard
NERFINISHED
ⓘ
OMNY NERFINISHED ⓘ |
| fareSystem | MTA New York City Subway fare system ⓘ |
| lineUsed | IND Sixth Avenue Line NERFINISHED ⓘ |
| modeOfTransport | subway ⓘ |
| network | MTA New York City Transit NERFINISHED ⓘ |
| operatedBy |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority NERFINISHED ⓘ |
| operatorType | public transit ⓘ |
| owner |
New York City
ⓘ
surface form:
City of New York
|
| primaryBorough | Brooklyn NERFINISHED ⓘ |
| rollingStockType | B Division NERFINISHED ⓘ |
| secondaryBorough | Manhattan NERFINISHED ⓘ |
| serviceClass | local and express subway service ⓘ |
| servicePattern |
express
ⓘ
rush-hour focused service ⓘ weekday-only service ⓘ |
| serviceSymbolShape | circle ⓘ |
| system | New York City Subway ⓘ |
| trackGauge | standard gauge ⓘ |
| trunkColorFamily | IND Sixth Avenue services ⓘ |
| usesLetterDesignation | B ⓘ |
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: B Line Description of subject: The B Line is a New York City Subway service that runs through Brooklyn and Manhattan, typically operating as an express route on the Sixth Avenue Line.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Brooklyn