Main Line
E36459
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 backbone for many of its branch lines.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Main Line canonical | 3 |
| Main Line (eastern segment) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T164829 — 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: Main Line Context triple: [Long Island Rail Road, hasLine, Main Line]
-
A.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
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B.
Generals Highway
Generals Highway is a scenic mountain road in California that winds through Sequoia and Kings Canyon National Parks, providing access to giant sequoia groves and major park attractions.
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C.
Main Line (Philadelphia to Pittsburgh)
Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
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D.
Dike Road
Dike Road is a local access route that leads to and provides entry to the coastal Poucha Pond area.
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E.
White Plains Road Line
The White Plains Road Line is a major New York City Subway route in the Bronx, primarily served by the 2 and 5 trains and running along White Plains Road.
- 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: Main Line Target entity description: 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 backbone for many of its branch lines.
-
A.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
-
B.
Generals Highway
Generals Highway is a scenic mountain road in California that winds through Sequoia and Kings Canyon National Parks, providing access to giant sequoia groves and major park attractions.
-
C.
Main Line (Philadelphia to Pittsburgh)
Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
-
D.
Dike Road
Dike Road is a local access route that leads to and provides entry to the coastal Poucha Pond area.
-
E.
White Plains Road Line
The White Plains Road Line is a major New York City Subway route in the Bronx, primarily served by the 2 and 5 trains and running along White Plains Road.
- F. None of above. chosen
Statements (50)
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: Main Line Description of subject: 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 backbone for many of its branch lines.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Long Island Rail Road
this entity surface form:
Main Line (eastern segment)