Amtrak Illini
E1011658
Amtrak Illini is a passenger train service operated by Amtrak that runs between Chicago and Carbondale, Illinois, serving intermediate cities including Champaign-Urbana.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Amtrak Illini canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12803341 — 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: Amtrak Illini Context triple: [Illinois Terminal (multimodal transportation center), railServices, Amtrak Illini]
-
A.
Amtrak Illinois Zephyr
The Amtrak Illinois Zephyr is a state-supported passenger train service operating in Illinois, primarily running between Chicago and Quincy with stops at intermediate cities along the route.
-
B.
Amtrak Heartland Flyer
The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
C.
Amtrak Lake Shore Limited
Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
-
D.
Amtrak Carl Sandburg
Amtrak Carl Sandburg is a state-supported passenger train operated by Amtrak in Illinois, running between Chicago and Quincy with stops at intermediate cities such as Naperville.
-
E.
Amtrak Blue Water
Amtrak Blue Water is a passenger rail service operated by Amtrak that runs between Chicago, Illinois, and Port Huron, Michigan, serving communities across southern and central Michigan.
- 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: Amtrak Illini Target entity description: Amtrak Illini is a passenger train service operated by Amtrak that runs between Chicago and Carbondale, Illinois, serving intermediate cities including Champaign-Urbana.
-
A.
Amtrak Illinois Zephyr
The Amtrak Illinois Zephyr is a state-supported passenger train service operating in Illinois, primarily running between Chicago and Quincy with stops at intermediate cities along the route.
-
B.
Amtrak Heartland Flyer
The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
C.
Amtrak Lake Shore Limited
Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
-
D.
Amtrak Carl Sandburg
Amtrak Carl Sandburg is a state-supported passenger train operated by Amtrak in Illinois, running between Chicago and Quincy with stops at intermediate cities such as Naperville.
-
E.
Amtrak Blue Water
Amtrak Blue Water is a passenger rail service operated by Amtrak that runs between Chicago, Illinois, and Port Huron, Michigan, serving communities across southern and central Michigan.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
inter-city rail service
ⓘ
passenger train service ⓘ |
| category |
Amtrak routes in Illinois
ⓘ
Named passenger trains of the United States ⓘ Passenger rail transportation in Illinois ⓘ Rail transport in Chicago ⓘ |
| corridor | Illini and Saluki corridor ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | none ⓘ |
| endPoint | Carbondale, Illinois NERFINISHED ⓘ |
| fundedBy | Illinois Department of Transportation NERFINISHED ⓘ |
| introducedBy | Amtrak NERFINISHED ⓘ |
| onboardClass | Coach ⓘ |
| onboardService | Café car ⓘ |
| operatedBy | National Railroad Passenger Corporation NERFINISHED ⓘ |
| operator | Amtrak ⓘ |
| ownerOfRollingStock | Amtrak NERFINISHED ⓘ |
| primaryMarket | Chicago–Champaign–Carbondale corridor NERFINISHED ⓘ |
| railLineUsed |
CN Centralia Subdivision
NERFINISHED
ⓘ
CN Champaign Subdivision NERFINISHED ⓘ Canadian National Railway NERFINISHED ⓘ |
| regionServed | Illinois NERFINISHED ⓘ |
| routeNumber | 391 ⓘ |
| serves |
Centralia, Illinois
NERFINISHED
ⓘ
Champaign–Urbana, Illinois NERFINISHED ⓘ Du Quoin, Illinois NERFINISHED ⓘ Effingham, Illinois NERFINISHED ⓘ Gilman, Illinois NERFINISHED ⓘ Kankakee, Illinois NERFINISHED ⓘ Mattoon, Illinois NERFINISHED ⓘ Rantoul, Illinois NERFINISHED ⓘ |
| serviceType |
coach service
ⓘ
regional rail ⓘ |
| sisterService | Amtrak Saluki NERFINISHED ⓘ |
| startPoint | Chicago, Illinois NERFINISHED ⓘ |
| status | operating ⓘ |
| terminus |
Carbondale Amtrak station
NERFINISHED
ⓘ
Chicago Union Station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesLocomotiveType |
GE P42DC
NERFINISHED
ⓘ
Siemens Charger NERFINISHED ⓘ |
| usesRollingStockType |
Amfleet I coaches
NERFINISHED
ⓘ
Horizon Fleet coaches 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: Amtrak Illini Description of subject: Amtrak Illini is a passenger train service operated by Amtrak that runs between Chicago and Carbondale, Illinois, serving intermediate cities including Champaign-Urbana.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.