Long Island Rail Road Port Jefferson Branch
E16095
The Long Island Rail Road Port Jefferson Branch is a commuter rail line on Long Island that runs between western terminals in New York City and the village of Port Jefferson, serving numerous communities along the island’s north shore.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T59115 — 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: Long Island Rail Road Port Jefferson Branch Context triple: [Huntington, New York, hasTransportation, Long Island Rail Road Port Jefferson Branch]
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A.
Long Island Rail Road Atlantic Branch
The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
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B.
Long Island Rail Road Main Line
The Long Island Rail Road Main Line is the primary rail corridor of the Long Island Rail Road, running from New York City through central Long Island and serving as a major commuter and intercity route.
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C.
Howard Beach–JFK Airport station
Howard Beach–JFK Airport station is a New York City Subway and AirTrain JFK transfer hub in Queens that provides access between the A train and John F. Kennedy International Airport.
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D.
Metro-North Railroad Hudson Line
The Metro-North Railroad Hudson Line is a major commuter rail route running along the east bank of the Hudson River, connecting New York City with communities throughout the Hudson Valley.
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E.
Long Island Rail Road (controlling interest for many years)
The Long Island Rail Road is a major commuter rail system serving Long Island and connecting it to New York City, recognized as one of the busiest and oldest railroads in the United States.
- 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: Long Island Rail Road Port Jefferson Branch Target entity description: The Long Island Rail Road Port Jefferson Branch is a commuter rail line on Long Island that runs between western terminals in New York City and the village of Port Jefferson, serving numerous communities along the island’s north shore.
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A.
Long Island Rail Road Atlantic Branch
The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
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B.
Long Island Rail Road Main Line
The Long Island Rail Road Main Line is the primary rail corridor of the Long Island Rail Road, running from New York City through central Long Island and serving as a major commuter and intercity route.
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C.
Howard Beach–JFK Airport station
Howard Beach–JFK Airport station is a New York City Subway and AirTrain JFK transfer hub in Queens that provides access between the A train and John F. Kennedy International Airport.
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D.
Metro-North Railroad Hudson Line
The Metro-North Railroad Hudson Line is a major commuter rail route running along the east bank of the Hudson River, connecting New York City with communities throughout the Hudson Valley.
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E.
Long Island Rail Road (controlling interest for many years)
The Long Island Rail Road is a major commuter rail system serving Long Island and connecting it to New York City, recognized as one of the busiest and oldest railroads in the United States.
- F. None of above. chosen
Statements (48)
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: Long Island Rail Road Port Jefferson Branch Description of subject: The Long Island Rail Road Port Jefferson Branch is a commuter rail line on Long Island that runs between western terminals in New York City and the village of Port Jefferson, serving numerous communities along the island’s north shore.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
Huntington, New York, United States
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hasTransportation
→
Long Island Rail Road Port Jefferson Branch
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subject surface form:
Huntington, New York
Long Island Rail Road (controlling interest for many years)
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hasLine
→
Long Island Rail Road Port Jefferson Branch
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subject surface form:
Long Island Rail Road
this entity surface form:
Port Jefferson Branch
this entity surface form:
LIRR Port Jefferson Branch
this entity surface form:
LIRR Port Jefferson Branch
this entity surface form:
Long Island Rail Road Huntington/Port Jefferson Branch
this entity surface form:
Port Jefferson Branch local trains
this entity surface form:
Smithtown and Port Jefferson Railroad
this entity surface form:
Huntington–Port Jefferson segment of Port Jefferson Branch
Kings Park Long Island Rail Road station
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hasService
→
Long Island Rail Road Port Jefferson Branch
ⓘ
this entity surface form:
Port Jefferson Branch trains