Amtrak Capitol Limited
E55777
Amtrak Capitol Limited is a long-distance passenger train operated by Amtrak that runs overnight between Washington, D.C., and Chicago, serving major cities and scenic routes along the former Baltimore & Ohio Railroad.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T437387 — 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 Capitol Limited Context triple: [Harpers Ferry, West Virginia, servedByRailway, Amtrak Capitol Limited]
-
A.
Amtrak Silver Service
Amtrak Silver Service is a pair of long-distance passenger train routes along the U.S. East Coast, primarily connecting New York City and Miami with intermediate stops in major cities.
-
B.
Amtrak Northeast Regional
Amtrak Northeast Regional is a passenger rail service that provides frequent intercity connections between major cities in the northeastern United States, including Boston, New York, Philadelphia, and Washington, D.C.
-
C.
Acela
Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
-
D.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
E.
MARC Train
MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
- 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 Capitol Limited Target entity description: Amtrak Capitol Limited is a long-distance passenger train operated by Amtrak that runs overnight between Washington, D.C., and Chicago, serving major cities and scenic routes along the former Baltimore & Ohio Railroad.
-
A.
Amtrak Silver Service
Amtrak Silver Service is a pair of long-distance passenger train routes along the U.S. East Coast, primarily connecting New York City and Miami with intermediate stops in major cities.
-
B.
Amtrak Northeast Regional
Amtrak Northeast Regional is a passenger rail service that provides frequent intercity connections between major cities in the northeastern United States, including Boston, New York, Philadelphia, and Washington, D.C.
-
C.
Acela
Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
-
D.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
E.
MARC Train
MARC Train is a commuter rail service operating in Maryland and the surrounding region, connecting cities such as Washington, D.C., Baltimore, and Martinsburg.
- F. None of above. chosen
Statements (49)
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 Capitol Limited Description of subject: Amtrak Capitol Limited is a long-distance passenger train operated by Amtrak that runs overnight between Washington, D.C., and Chicago, serving major cities and scenic routes along the former Baltimore & Ohio Railroad.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Amtrak Capitol Limited
linked to: Amtrak Capitol Limited
linked to: Amtrak Capitol Limited
linked to: Amtrak Capitol Limited
linked to: Amtrak Capitol Limited