BMT Jamaica Line
E36422
The BMT Jamaica Line is an elevated New York City Subway line in Brooklyn and Queens, primarily served by the J and Z trains.
All labels observed (6)
| Label | Occurrences |
|---|---|
| BMT Jamaica Line canonical | 35 |
| BMT Jamaica Line (Brooklyn, Queens) | 1 |
| BMT Jamaica Line elevated structure | 1 |
| BMT Jamaica Line group | 1 |
| BMT Jamaica Line services | 1 |
| Jamaica Line J service | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T281049 — 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: BMT Jamaica Line Context triple: [J, trunkLine, BMT Jamaica Line]
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A.
Staten Island Railway
Staten Island Railway is a rapid transit line providing passenger rail service along Staten Island’s east shore in New York City.
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B.
Interborough Rapid Transit Company
The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
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C.
Camden Line
The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
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D.
Tompkins Consolidated Area Transit
Tompkins Consolidated Area Transit is the primary public bus system serving Ithaca and the surrounding Tompkins County region in New York.
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E.
IND Rockaway Line (subway portion)
The IND Rockaway Line (subway portion) is a New York City Subway rapid transit line in Queens that connects central Queens to the Rockaway Peninsula as part of the IND Division.
- 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: BMT Jamaica Line Target entity description: The BMT Jamaica Line is an elevated New York City Subway line in Brooklyn and Queens, primarily served by the J and Z trains.
-
A.
Staten Island Railway
Staten Island Railway is a rapid transit line providing passenger rail service along Staten Island’s east shore in New York City.
-
B.
Interborough Rapid Transit Company
The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
-
C.
Camden Line
The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
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D.
Tompkins Consolidated Area Transit
Tompkins Consolidated Area Transit is the primary public bus system serving Ithaca and the surrounding Tompkins County region in New York.
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E.
IND Rockaway Line (subway portion)
The IND Rockaway Line (subway portion) is a New York City Subway rapid transit line in Queens that connects central Queens to the Rockaway Peninsula as part of the IND Division.
- F. None of above. chosen
Statements (47)
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: BMT Jamaica Line Description of subject: The BMT Jamaica Line is an elevated New York City Subway line in Brooklyn and Queens, primarily served by the J and Z trains.
Referenced by (40)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: BMT Jamaica Line
linked to: BMT Jamaica Line
linked to: BMT Jamaica Line
linked to: BMT Jamaica Line
subject linked to:
BMT
linked to: BMT Jamaica Line
subject linked to:
IND Crosstown Line and IRT Flushing Line