Northeast Corridor at New Haven
E563572
The Northeast Corridor at New Haven is a major junction on the busy Boston–Washington rail corridor where intercity and regional trains connect with inland routes such as the New Haven–Springfield Line.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Northeast Corridor (New Haven Line segment) | 1 |
| Northeast Corridor at New Haven canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6023940 — 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: Northeast Corridor at New Haven Context triple: [New Haven–Springfield Line, connectsToLine, Northeast Corridor at New Haven]
-
A.
New Haven Line
The New Haven Line is a major commuter rail route in the northeastern United States that connects New York City with New Haven, Connecticut, serving numerous communities along the Long Island Sound corridor.
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B.
New Haven–Springfield Line
The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
-
C.
New Haven Line at Grand Central Terminal
The New Haven Line at Grand Central Terminal is a major Metro-North Railroad commuter rail service that originates at Manhattan’s Grand Central Terminal and runs northeast through suburban New York and into Connecticut.
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D.
Naugatuck station
Naugatuck station is a commuter rail stop in Naugatuck, Connecticut, served by Metro-North Railroad trains on the Waterbury Branch.
-
E.
Connecticut River Line
The Connecticut River Line is a historic railroad corridor running along the Connecticut River in New England, long used for passenger and freight service connecting communities in Massachusetts, Vermont, and New Hampshire.
- 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: Northeast Corridor at New Haven Target entity description: The Northeast Corridor at New Haven is a major junction on the busy Boston–Washington rail corridor where intercity and regional trains connect with inland routes such as the New Haven–Springfield Line.
-
A.
New Haven Line
The New Haven Line is a major commuter rail route in the northeastern United States that connects New York City with New Haven, Connecticut, serving numerous communities along the Long Island Sound corridor.
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B.
New Haven–Springfield Line
The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
-
C.
New Haven Line at Grand Central Terminal
The New Haven Line at Grand Central Terminal is a major Metro-North Railroad commuter rail service that originates at Manhattan’s Grand Central Terminal and runs northeast through suburban New York and into Connecticut.
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D.
Naugatuck station
Naugatuck station is a commuter rail stop in Naugatuck, Connecticut, served by Metro-North Railroad trains on the Waterbury Branch.
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E.
Connecticut River Line
The Connecticut River Line is a historic railroad corridor running along the Connecticut River in New England, long used for passenger and freight service connecting communities in Massachusetts, Vermont, and New Hampshire.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
rail infrastructure location
ⓘ
railway junction ⓘ |
| connectsServiceType |
commuter rail
ⓘ
intercity rail ⓘ regional rail ⓘ |
| connectsWith |
New Haven–Springfield Line
NERFINISHED
ⓘ
inland rail routes ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | overhead catenary on Northeast Corridor tracks ⓘ |
| function |
passenger rail interchange
ⓘ
transfer point between Northeast Corridor and inland routes ⓘ |
| hasPrimaryStation | New Haven Union Station NERFINISHED ⓘ |
| hasSecondaryStation | New Haven State Street station NERFINISHED ⓘ |
| hasTrafficLevel | busy ⓘ |
| isOnRoute | Boston–Washington rail corridor NERFINISHED ⓘ |
| locatedIn |
New Haven, Connecticut
ⓘ
United States of America ⓘ
surface form:
United States
|
| onCorridorBetween |
Boston
NERFINISHED
ⓘ
Washington, D.C. NERFINISHED ⓘ |
| partOf | Northeast Corridor NERFINISHED ⓘ |
| railGauge | standard gauge ⓘ |
| railOperator |
Amtrak
NERFINISHED
ⓘ
Connecticut Department of Transportation NERFINISHED ⓘ |
| servesCity | New Haven NERFINISHED ⓘ |
| usedBy |
intercity passenger trains
ⓘ
regional passenger trains ⓘ |
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: Northeast Corridor at New Haven Description of subject: The Northeast Corridor at New Haven is a major junction on the busy Boston–Washington rail corridor where intercity and regional trains connect with inland routes such as the New Haven–Springfield Line.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Northeast Corridor (New Haven Line segment)