M-1 Rail
E429314
M-1 Rail is the nonprofit organization that developed and oversees Detroit’s QLine streetcar system along Woodward Avenue.
All labels observed (2)
| Label | Occurrences |
|---|---|
| M-1 Rail canonical | 3 |
| M-1 Rail streetcar project | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4313184 — 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: M-1 Rail Context triple: [Detroit QLine, owner, M-1 Rail]
-
A.
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.
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B.
O-Train
The O-Train is Ottawa’s urban rail transit system, providing light rail service across key corridors of Canada’s capital city.
-
C.
First Rail
First Rail is the rail division of FirstGroup, operating passenger train services and related rail transport operations in the United Kingdom.
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D.
Länsimetro
Länsimetro is a major westward extension of the Helsinki Metro that connects central Helsinki with the neighboring city of Espoo through a series of new underground stations.
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E.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
- 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: M-1 Rail Target entity description: M-1 Rail is the nonprofit organization that developed and oversees Detroit’s QLine streetcar system along Woodward Avenue.
-
A.
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.
-
B.
O-Train
The O-Train is Ottawa’s urban rail transit system, providing light rail service across key corridors of Canada’s capital city.
-
C.
First Rail
First Rail is the rail division of FirstGroup, operating passenger train services and related rail transport operations in the United Kingdom.
-
D.
Länsimetro
Länsimetro is a major westward extension of the Helsinki Metro that connects central Helsinki with the neighboring city of Espoo through a series of new underground stations.
-
E.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
- F. None of above. chosen
Statements (34)
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: M-1 Rail Description of subject: M-1 Rail is the nonprofit organization that developed and oversees Detroit’s QLine streetcar system along Woodward Avenue.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: M-1 Rail