Erie Railroad Main Line
E912017
The Erie Railroad Main Line was a major historic rail corridor in the northeastern United States that formed the core route of the former Erie Railroad between the New York City area and the Midwest.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Erie Railroad Main Line canonical | 4 |
| Erie Railroad (via predecessor Middletown station) | 1 |
| Erie Railroad main line (historically) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11211848 — 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: Erie Railroad Main Line Context triple: [Main Line (NJ Transit), historicalPredecessor, Erie Railroad Main Line]
-
A.
Chicago–Buffalo main line
The Chicago–Buffalo main line was a key intercity rail corridor linking Chicago and Buffalo, serving as a major route for passenger and freight traffic across the Midwest and into the Northeast.
-
B.
Paoli/Thorndale Line
The Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs west from Center City to Paoli and Thorndale, serving numerous suburban communities along the former Pennsylvania Railroad Main Line.
-
C.
Huntington–Cincinnati main line
The Huntington–Cincinnati main line is a key Chesapeake and Ohio Railway route that connected Huntington, West Virginia, with Cincinnati, Ohio, serving as an important freight and passenger corridor in the region.
-
D.
Syracuse Terminal Subdivision
The Syracuse Terminal Subdivision is a railroad line in the Syracuse, New York area that serves as a key terminal and junction segment within the regional rail network.
-
E.
Keystone Corridor
Keystone Corridor is a major passenger rail route in Pennsylvania that connects Philadelphia with Harrisburg and other central Pennsylvania destinations.
- 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: Erie Railroad Main Line Target entity description: The Erie Railroad Main Line was a major historic rail corridor in the northeastern United States that formed the core route of the former Erie Railroad between the New York City area and the Midwest.
-
A.
Chicago–Buffalo main line
The Chicago–Buffalo main line was a key intercity rail corridor linking Chicago and Buffalo, serving as a major route for passenger and freight traffic across the Midwest and into the Northeast.
-
B.
Paoli/Thorndale Line
The Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs west from Center City to Paoli and Thorndale, serving numerous suburban communities along the former Pennsylvania Railroad Main Line.
-
C.
Huntington–Cincinnati main line
The Huntington–Cincinnati main line is a key Chesapeake and Ohio Railway route that connected Huntington, West Virginia, with Cincinnati, Ohio, serving as an important freight and passenger corridor in the region.
-
D.
Syracuse Terminal Subdivision
The Syracuse Terminal Subdivision is a railroad line in the Syracuse, New York area that serves as a key terminal and junction segment within the regional rail network.
-
E.
Keystone Corridor
Keystone Corridor is a major passenger rail route in Pennsylvania that connects Philadelphia with Harrisburg and other central Pennsylvania destinations.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
historic rail corridor
ⓘ
railway line ⓘ |
| connects |
Midwest
NERFINISHED
ⓘ
New York City area NERFINISHED ⓘ |
| coreRouteOf | Erie Railroad NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | non-electrified ⓘ |
| endPoint |
Chicago, Illinois
NERFINISHED
ⓘ
Midwestern United States NERFINISHED ⓘ |
| gauge | standard gauge ⓘ |
| historicalPeriod |
19th century
ⓘ
20th century ⓘ |
| historicalUse | main artery of the Erie Railroad network ⓘ |
| locatedIn | Northeastern United States NERFINISHED ⓘ |
| namedAfter | Erie Railroad NERFINISHED ⓘ |
| notableFor |
intercity passenger trains
ⓘ
long-distance freight service ⓘ |
| operator | Erie Railroad NERFINISHED ⓘ |
| ownerDuringPeak | Erie Railroad NERFINISHED ⓘ |
| partOf |
Erie Railroad
NERFINISHED
ⓘ
Erie Railroad system NERFINISHED ⓘ |
| primaryDirection | east–west ⓘ |
| regionServed |
Midwestern United States
ⓘ
New York City metropolitan area NERFINISHED ⓘ |
| significance | formed the core route of the Erie Railroad between the New York City area and the Midwest ⓘ |
| startPoint |
Jersey City, New Jersey
NERFINISHED
ⓘ
New York City metropolitan area NERFINISHED ⓘ |
| status |
historic
ⓘ
partly abandoned ⓘ partly in freight use ⓘ |
| terminusCity | Jersey City, New Jersey NERFINISHED ⓘ |
| trackType | heavy rail ⓘ |
| transportMode | rail ⓘ |
| traverses |
Illinois
NERFINISHED
ⓘ
Indiana NERFINISHED ⓘ New Jersey NERFINISHED ⓘ New York (state) NERFINISHED ⓘ Ohio NERFINISHED ⓘ Pennsylvania NERFINISHED ⓘ |
| usedFor |
freight rail transport
ⓘ
passenger rail transport ⓘ |
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: Erie Railroad Main Line Description of subject: The Erie Railroad Main Line was a major historic rail corridor in the northeastern United States that formed the core route of the former Erie Railroad between the New York City area and the Midwest.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Starrucca Viaduct
this entity surface form:
Erie Railroad main line (historically)
this entity surface form:
Erie Railroad (via predecessor Middletown station)