Keystone Corridor
E15785
Keystone Corridor is a major passenger rail route in Pennsylvania that connects Philadelphia with Harrisburg and other central Pennsylvania destinations.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Keystone Corridor canonical | 25 |
| Amtrak Keystone Corridor | 11 |
| Harrisburg Line | 1 |
| Harrisburg–Carlisle line | 1 |
| Keystone Corridor East | 1 |
| Keystone Corridor between Harrisburg and Philadelphia | 1 |
| Pennsylvanian route | 1 |
| Philadelphia–Harrisburg rail corridor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T92296 — 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: Keystone Corridor Context triple: [30th Street Station, railLine, Keystone Corridor]
-
A.
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.
-
B.
Schuylkill River Trail
The Schuylkill River Trail is a popular multi-use recreational path in southeastern Pennsylvania that follows the Schuylkill River, offering scenic routes for walking, running, and cycling through urban and natural landscapes.
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C.
Amtrak Empire Corridor
The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
-
D.
Philadelphia, Wilmington and Baltimore Railroad
The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
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E.
Northeast Corridor
The Northeast Corridor is the busiest passenger rail line in the United States, running primarily Amtrak and commuter trains along the urbanized spine of the East Coast between major cities such as Washington, D.C., Philadelphia, New York City, and Boston.
- 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: Keystone Corridor Target entity description: Keystone Corridor is a major passenger rail route in Pennsylvania that connects Philadelphia with Harrisburg and other central Pennsylvania destinations.
-
A.
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.
-
B.
Schuylkill River Trail
The Schuylkill River Trail is a popular multi-use recreational path in southeastern Pennsylvania that follows the Schuylkill River, offering scenic routes for walking, running, and cycling through urban and natural landscapes.
-
C.
Amtrak Empire Corridor
The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
-
D.
Philadelphia, Wilmington and Baltimore Railroad
The Philadelphia, Wilmington and Baltimore Railroad was a 19th-century rail line that formed a key segment of the main corridor linking the northeastern United States, particularly connecting Philadelphia with points south.
-
E.
Northeast Corridor
The Northeast Corridor is the busiest passenger rail line in the United States, running primarily Amtrak and commuter trains along the urbanized spine of the East Coast between major cities such as Washington, D.C., Philadelphia, New York City, and Boston.
- 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: Keystone Corridor Description of subject: Keystone Corridor is a major passenger rail route in Pennsylvania that connects Philadelphia with Harrisburg and other central Pennsylvania destinations.
Referenced by (42)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Harrisburg Line
this entity surface form:
Harrisburg–Carlisle line
this entity surface form:
Amtrak Keystone Corridor
this entity surface form:
Pennsylvanian route
this entity surface form:
Amtrak Keystone Corridor
this entity surface form:
Amtrak Keystone Corridor
this entity surface form:
Amtrak Keystone Corridor
this entity surface form:
Keystone Corridor between Harrisburg and Philadelphia
this entity surface form:
Amtrak Keystone Corridor
this entity surface form:
Amtrak Keystone Corridor
this entity surface form:
Amtrak Keystone Corridor
this entity surface form:
Amtrak Keystone Corridor
this entity surface form:
Amtrak Keystone Corridor
this entity surface form:
Amtrak Keystone Corridor
subject surface form:
ACS-64
this entity surface form:
Keystone Corridor East
this entity surface form:
Amtrak Keystone Corridor
this entity surface form:
Philadelphia–Harrisburg rail corridor