Hoosier State
E445033
The Hoosier State was a passenger train service that operated between Chicago, Illinois, and Indianapolis, Indiana, providing regional rail transportation in the Midwestern United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hoosier State canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4241873 — 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: Hoosier State Context triple: [Amtrak Midwest services, routeIncludes, Hoosier State]
-
A.
Indiana
Indiana is a U.S. state known for its manufacturing base, rich agricultural land, and iconic events like the Indianapolis 500.
-
B.
Indiana and Kentucky
Indiana and Kentucky are neighboring U.S. states in the Midwest and Upper South, respectively, separated in large part by the Ohio River.
-
C.
Kentucky and Illinois
Kentucky and Illinois are neighboring U.S. states in the Midwest and Upper South that meet along the Mississippi River.
-
D.
Ohio
Ohio is a Midwestern U.S. state known for its diverse economy, major cities like Columbus, Cleveland, and Cincinnati, and its significant role in national politics as a historic swing state.
-
E.
Indiana Territory
Indiana Territory was a U.S. organized incorporated territory (1800–1816) in the Old Northwest that preceded the state of Indiana and originally encompassed much of the present-day Midwest.
- 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: Hoosier State Target entity description: The Hoosier State was a passenger train service that operated between Chicago, Illinois, and Indianapolis, Indiana, providing regional rail transportation in the Midwestern United States.
-
A.
Indiana
Indiana is a U.S. state known for its manufacturing base, rich agricultural land, and iconic events like the Indianapolis 500.
-
B.
Indiana and Kentucky
Indiana and Kentucky are neighboring U.S. states in the Midwest and Upper South, respectively, separated in large part by the Ohio River.
-
C.
Kentucky and Illinois
Kentucky and Illinois are neighboring U.S. states in the Midwest and Upper South that meet along the Mississippi River.
-
D.
Ohio
Ohio is a Midwestern U.S. state known for its diverse economy, major cities like Columbus, Cleveland, and Cincinnati, and its significant role in national politics as a historic swing state.
-
E.
Indiana Territory
Indiana Territory was a U.S. organized incorporated territory (1800–1816) in the Old Northwest that preceded the state of Indiana and originally encompassed much of the present-day Midwest.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
inter-city rail service
ⓘ
named passenger train ⓘ passenger train service ⓘ |
| category |
Amtrak trains
ⓘ
Passenger rail transportation in Illinois ⓘ Passenger rail transportation in Indiana ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | none ⓘ |
| endPoint |
Indianapolis, Indiana
ⓘ
linked to:
Indianapolis
|
| fundedBy |
Amtrak
ⓘ
State of Indiana ⓘ
linked to:
Indiana
|
| namedAfter | nickname of the state of Indiana ⓘ |
| nameLanguage | English ⓘ |
| onboardServices |
basic food and beverage service
ⓘ
restrooms ⓘ seating ⓘ |
| operatedBy |
Amtrak
ⓘ
Indiana Department of Transportation ⓘ |
| operatedInCountry |
United States
ⓘ
linked to:
United States of America
|
| operatedInRegion | Midwestern United States ⓘ |
| operatorType | publicly funded ⓘ |
| propulsion | diesel ⓘ |
| railNetwork |
Amtrak system
ⓘ
linked to:
Amtrak
|
| railwayLineUsed | CSX Transportation trackage between Chicago and Indianapolis ⓘ |
| route |
Chicago Union Station – Indianapolis Union Station
ⓘ
linked to:
Chicago Union Station
|
| serviceArea |
Chicago metropolitan area
ⓘ
Indianapolis metropolitan area ⓘ |
| serviceClass |
business class
ⓘ
coach ⓘ |
| serviceFrequency | less-than-daily at various times ⓘ |
| servicePattern |
inter-city
ⓘ
short-distance corridor ⓘ |
| serviceType |
passenger rail
ⓘ
regional rail transportation ⓘ |
| startPoint |
Chicago, Illinois
ⓘ
linked to:
Chicago
|
| stateServed |
Illinois
ⓘ
Indiana ⓘ |
| terminus |
Chicago Union Station
ⓘ
Indianapolis Union Station ⓘ |
| trackGauge | standard gauge ⓘ |
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: Hoosier State Description of subject: The Hoosier State was a passenger train service that operated between Chicago, Illinois, and Indianapolis, Indiana, providing regional rail transportation in the Midwestern United States.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.