Metra Milwaukee District West Line
E28356
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.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T82590 — 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 West Line Context triple: [DuPage County, Illinois, contains, Metra Milwaukee District West Line]
-
A.
Metra Union Pacific West Line
The Metra Union Pacific West Line is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, including communities in DuPage County.
-
B.
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.
-
C.
Orange Line
The Orange Line is a rapid transit route in Chicago that connects the city's Loop with Midway International Airport as part of the Chicago "L" system.
-
D.
Metra BNSF Railway Line
The Metra BNSF Railway Line is a major Chicago-area commuter rail route running between Chicago Union Station and Aurora, Illinois, primarily along tracks owned by BNSF Railway.
-
E.
Blue Line
The Blue Line is one of the color-coded rapid transit routes in the Washington Metro system, running through key parts of Washington, D.C. and its Virginia 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 West Line Target entity description: 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.
-
A.
Metra Union Pacific West Line
The Metra Union Pacific West Line is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, including communities in DuPage County.
-
B.
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.
-
C.
Orange Line
The Orange Line is a rapid transit route in Chicago that connects the city's Loop with Midway International Airport as part of the Chicago "L" system.
-
D.
Metra BNSF Railway Line
The Metra BNSF Railway Line is a major Chicago-area commuter rail route running between Chicago Union Station and Aurora, Illinois, primarily along tracks owned by BNSF Railway.
-
E.
Blue Line
The Blue Line is one of the color-coded rapid transit routes in the Washington Metro system, running through key parts of Washington, D.C. and its Virginia suburbs.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | commuter rail line ⓘ |
| connectsWith |
Chicago Transit Authority
ⓘ
surface form:
Chicago Transit Authority bus network at Chicago Union Station
Chicago Transit Authority ‘L’ via nearby stations to Chicago Union Station ⓘ other Metra lines at Chicago Union Station ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | none ⓘ |
| fareIntegration | accepts Metra monthly, weekly, and day passes ⓘ |
| fareSystem | Metra zone-based fare system ⓘ |
| hasStation |
Bartlett
ⓘ
Bensenville, Illinois ⓘ
surface form:
Bensenville
Elgin, Illinois ⓘ
surface form:
Elgin
Elmwood Park ⓘ Franklin Park ⓘ Galewood ⓘ Hanover Park, Illinois ⓘ
surface form:
Hanover Park
Itasca, Illinois ⓘ
surface form:
Itasca
Medinah, Illinois ⓘ
surface form:
Medinah
National Street ⓘ River Grove ⓘ Roselle ⓘ Schaumburg, Illinois ⓘ
surface form:
Schaumburg
Western Avenue (Milwaukee District) ⓘ Wood Dale, Illinois ⓘ
surface form:
Wood Dale
|
| lineColor | green (Metra system maps) ⓘ |
| locale | Chicago metropolitan area ⓘ |
| openingDate | 19th century (as part of Milwaukee Road; predates Metra) ⓘ |
| operator | Metra ⓘ |
| owner |
Regional Transportation Authority of Northeastern Illinois
ⓘ
surface form:
Northeast Illinois Regional Commuter Railroad Corporation (Metra)
|
| ownerOfInfrastructure |
Canadian Pacific Kansas City Limited
ⓘ
surface form:
Canadian Pacific Kansas City Railway (CPKC)
|
| partOfSystem |
Metra
ⓘ
surface form:
Metra commuter rail system
|
| peakDirectionService |
inbound to Chicago in morning peak
ⓘ
outbound from Chicago in evening peak ⓘ |
| primaryStation | Chicago Union Station ⓘ |
| servesCity |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago, Illinois
Elgin, Illinois ⓘ |
| servesCounty |
Cook County, Illinois
ⓘ
DuPage County, Illinois ⓘ Kane County, Illinois ⓘ |
| servesSuburb | Western suburbs of Chicago ⓘ |
| servicePattern | all-stop local and some express trains ⓘ |
| serviceType | commuter rail ⓘ |
| state | Illinois ⓘ |
| terminus |
Chicago Union Station
ⓘ
Elgin, Illinois ⓘ
surface form:
Elgin
|
| ticketing |
Ventra
ⓘ
surface form:
Ventra mobile app accepted
|
| trackGauge | standard gauge ⓘ |
| usesRollingStock | diesel locomotive-hauled coaches ⓘ |
| usesTrackage | CPKC Milwaukee Subdivision ⓘ |
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 West Line Description of subject: 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.
Referenced by (34)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Milwaukee District lines
this entity surface form:
Metra Milwaukee District/West Line
this entity surface form:
Metra Milwaukee District lines at Chicago Union Station
this entity surface form:
Milwaukee District West Line
this entity surface form:
Metra Milwaukee District/West Line
this entity surface form:
Metra Milwaukee District/West Line
this entity surface form:
Metra Milwaukee District/West Line
this entity surface form:
Metra Milwaukee District/West Line
this entity surface form:
Metra Milwaukee District/West Line
this entity surface form:
Milwaukee District West Line at Chicago Union Station
this entity surface form:
Milwaukee District/West Line
this entity surface form:
Metra Milwaukee District/West Line
subject surface form:
Bartlett station
this entity surface form:
Milwaukee District West Line
subject surface form:
Bartlett station
this entity surface form:
Milwaukee District West Line
this entity surface form:
Milwaukee District West Line
this entity surface form:
Milwaukee District West Line
subject surface form:
Elmwood Park, Illinois
subject surface form:
Galewood station
this entity surface form:
Milwaukee District West Line
this entity surface form:
Milwaukee District/West Line
this entity surface form:
Metra Milwaukee District/West Line
this entity surface form:
Metra Milwaukee District/West Line
this entity surface form:
Metra Milwaukee District / West Line (nearby)
this entity surface form:
Milwaukee District/West Line
this entity surface form:
Milwaukee District/West Line
this entity surface form:
Metra Milwaukee District/West Line
subject surface form:
Austin, Chicago
this entity surface form:
Metra Milwaukee District West Line (nearby)