Chicago–San Antonio rail corridor
E607270
The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chicago–San Antonio rail corridor canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6602790 — 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: Chicago–San Antonio rail corridor Context triple: [Amtrak Texas Eagle, usesRoute, Chicago–San Antonio rail corridor]
-
A.
Los Angeles–New Orleans rail corridor
The Los Angeles–New Orleans rail corridor is a major transcontinental rail route linking Southern California to the U.S. Gulf Coast, used for both freight and long-distance passenger service.
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B.
Chicago–La Grange corridor
The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
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C.
Burlington–Fort Madison rail corridor
The Burlington–Fort Madison rail corridor is a key railway line in southeastern Iowa that carries Amtrak passenger trains and significant freight traffic along the Mississippi River between Burlington and Fort Madison.
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D.
Chicago–Omaha main line
The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
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E.
Chicago & North Western West Line
The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
- 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: Chicago–San Antonio rail corridor Target entity description: The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
-
A.
Los Angeles–New Orleans rail corridor
The Los Angeles–New Orleans rail corridor is a major transcontinental rail route linking Southern California to the U.S. Gulf Coast, used for both freight and long-distance passenger service.
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B.
Chicago–La Grange corridor
The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
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C.
Burlington–Fort Madison rail corridor
The Burlington–Fort Madison rail corridor is a key railway line in southeastern Iowa that carries Amtrak passenger trains and significant freight traffic along the Mississippi River between Burlington and Fort Madison.
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D.
Chicago–Omaha main line
The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
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E.
Chicago & North Western West Line
The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
intercity rail corridor
ⓘ
passenger rail corridor ⓘ |
| connectsRegion |
Midwest
NERFINISHED
ⓘ
South ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | not electrified ⓘ |
| endPoint | San Antonio, Texas NERFINISHED ⓘ |
| locatedIn |
Midwestern United States
ⓘ
Southern United States ⓘ |
| operator | Amtrak ⓘ |
| partOfNetwork | Amtrak national network NERFINISHED ⓘ |
| passesThrough |
Arkansas
NERFINISHED
ⓘ
Austin, Texas NERFINISHED ⓘ Chicago, Illinois NERFINISHED ⓘ Dallas, Texas NERFINISHED ⓘ Fort Worth, Texas NERFINISHED ⓘ Illinois NERFINISHED ⓘ Little Rock, Arkansas NERFINISHED ⓘ Missouri NERFINISHED ⓘ St. Louis, Missouri NERFINISHED ⓘ Texas NERFINISHED ⓘ |
| primaryUse | long-distance passenger rail ⓘ |
| railGauge | standard gauge ⓘ |
| serviceType | intercity passenger rail ⓘ |
| startPoint | Chicago, Illinois NERFINISHED ⓘ |
| terminusCityNorth | Chicago NERFINISHED ⓘ |
| terminusCitySouth | San Antonio NERFINISHED ⓘ |
| transportMode | rail ⓘ |
| usesService |
Amtrak
NERFINISHED
ⓘ
Amtrak Texas Eagle NERFINISHED ⓘ |
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: Chicago–San Antonio rail corridor Description of subject: The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.