Metra Milwaukee District North Line
E158809
The Metra Milwaukee District North Line is a commuter rail line in the Chicago metropolitan area that runs between Chicago Union Station and Fox Lake, Illinois, serving numerous northern suburbs along its route.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T1378052 — 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: Metra Milwaukee District North Line Context triple: [Glenview, Illinois, servedBy, Metra Milwaukee District North Line]
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A.
Metra Milwaukee District West Line
The Metra Milwaukee District West Line is a commuter rail line in the Chicago metropolitan area that runs between Chicago Union Station and Elgin, serving numerous suburbs in Cook, DuPage, and Kane counties.
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B.
Metra Rock Island District line
The Metra Rock Island District line is a commuter rail route in the Chicago metropolitan area that connects downtown Chicago with various southwest suburbs, including Tinley Park.
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C.
Metra Electric District line
The Metra Electric District line is a commuter rail line in the Chicago metropolitan area that runs from downtown Chicago to its southern suburbs, serving key destinations along the South Side and beyond.
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D.
Metra Union Pacific North Line
The Metra Union Pacific North Line is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and its northern suburbs along the Union Pacific Railroad’s North Line.
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E.
Orange Line
The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
- 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: Metra Milwaukee District North Line Target entity description: The Metra Milwaukee District North Line is a commuter rail line in the Chicago metropolitan area that runs between Chicago Union Station and Fox Lake, Illinois, serving numerous northern suburbs along its route.
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A.
Metra Milwaukee District West Line
The Metra Milwaukee District West Line is a commuter rail line in the Chicago metropolitan area that runs between Chicago Union Station and Elgin, serving numerous suburbs in Cook, DuPage, and Kane counties.
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B.
Metra Rock Island District line
The Metra Rock Island District line is a commuter rail route in the Chicago metropolitan area that connects downtown Chicago with various southwest suburbs, including Tinley Park.
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C.
Metra Electric District line
The Metra Electric District line is a commuter rail line in the Chicago metropolitan area that runs from downtown Chicago to its southern suburbs, serving key destinations along the South Side and beyond.
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D.
Metra Union Pacific North Line
The Metra Union Pacific North Line is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and its northern suburbs along the Union Pacific Railroad’s North Line.
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E.
Orange Line
The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
- F. None of above. chosen
Statements (30)
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: Metra Milwaukee District North Line Description of subject: The Metra Milwaukee District North Line is a commuter rail line in the Chicago metropolitan area that runs between Chicago Union Station and Fox Lake, Illinois, serving numerous northern suburbs along its route.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Milwaukee District North Line
this entity surface form:
Milwaukee District North Line at Chicago Union Station
this entity surface form:
Milwaukee District/North Line
this entity surface form:
Milwaukee District lines at Chicago Union Station
this entity surface form:
Milwaukee District North Line
this entity surface form:
Milwaukee District North Line
this entity surface form:
Metra (Milwaukee District North Line trackage near Chicago)
subject surface form:
Northbrook, Illinois