Ravenswood branch (Brown Line)
E917622
The Ravenswood branch of Chicago's Brown Line is an elevated rapid transit route on the city's North Side, serving neighborhoods such as Lincoln Park, Lakeview, and Ravenswood and connecting them to the Loop.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ravenswood branch (Brown Line) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11314594 — 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: Ravenswood branch (Brown Line) Context triple: [Diversey station, lineDesignation, Ravenswood branch (Brown Line)]
-
A.
Addison (Brown Line)
Addison is an elevated Chicago 'L' station on the CTA's Brown Line serving the North Center/Lincoln Square area.
-
B.
Addison (Brown Line) station
Addison (Brown Line) station is an elevated Chicago 'L' rapid transit stop serving the Brown Line on the city's North Side.
-
C.
Monroe (Red Line)
Monroe (Red Line) is a Chicago 'L' rapid transit station in the Loop located in the median of State Street and served by the Red Line.
-
D.
Montrose (Brown Line)
Montrose is an elevated Chicago 'L' rapid transit station on the Brown Line serving the North Center neighborhood.
-
E.
Irving Park (Brown Line)
Irving Park (Brown Line) is an elevated Chicago 'L' rapid transit station on the city's North Side serving the CTA Brown Line.
- 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: Ravenswood branch (Brown Line) Target entity description: The Ravenswood branch of Chicago's Brown Line is an elevated rapid transit route on the city's North Side, serving neighborhoods such as Lincoln Park, Lakeview, and Ravenswood and connecting them to the Loop.
-
A.
Addison (Brown Line)
Addison is an elevated Chicago 'L' station on the CTA's Brown Line serving the North Center/Lincoln Square area.
-
B.
Addison (Brown Line) station
Addison (Brown Line) station is an elevated Chicago 'L' rapid transit stop serving the Brown Line on the city's North Side.
-
C.
Monroe (Red Line)
Monroe (Red Line) is a Chicago 'L' rapid transit station in the Loop located in the median of State Street and served by the Red Line.
-
D.
Montrose (Brown Line)
Montrose is an elevated Chicago 'L' rapid transit station on the Brown Line serving the North Center neighborhood.
-
E.
Irving Park (Brown Line)
Irving Park (Brown Line) is an elevated Chicago 'L' rapid transit station on the city's North Side serving the CTA Brown Line.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
elevated railway line
ⓘ
rapid transit line ⓘ |
| connectsArea | North Side of Chicago to the Loop ⓘ |
| connectsTo |
Chicago Loop
ⓘ
multiple CTA bus routes ⓘ other CTA rail lines via the Loop ⓘ |
| connectsWith | Loop elevated tracks ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | third rail ⓘ |
| fareCollection | proof-of-payment at station turnstiles ⓘ |
| fareMediumAccepted |
contactless smartcards
ⓘ
magnetic stripe tickets ⓘ |
| fareSystem | Ventra ⓘ |
| hasAccessibility | ADA-accessible stations on the branch ⓘ |
| hasPlatformType |
island platforms
ⓘ
side platforms ⓘ |
| hasRightOfWay | exclusive transit right-of-way ⓘ |
| hasRollingStock |
CTA 2600-series railcars
ⓘ
CTA 3200-series railcars ⓘ |
| hasService |
all-day service
ⓘ
weekday rush-hour service ⓘ weekend service ⓘ |
| hasServiceOperator | unionized CTA rail employees ⓘ |
| hasStructure | elevated ⓘ |
| isPartOf |
North Side Main Line of the Brown Line
ⓘ
linked to:
North Side Brown Line corridor
|
| isUrbanRailIn | Chicago metropolitan area ⓘ |
| lineColor | brown ⓘ |
| locatedIn |
Chicago, Illinois
ⓘ
linked to:
Chicago, Illinois, United States
North Side, Chicago ⓘ
linked to:
North Side of Chicago
|
| operator | Chicago Transit Authority ⓘ |
| owner | Chicago Transit Authority ⓘ |
| partOf |
Brown Line (CTA)
ⓘ
linked to:
Brown Line
Chicago "L" ⓘ |
| partOfNetwork |
Chicago "L" elevated network
ⓘ
linked to:
Chicago "L"
|
| primaryFunction | link North Side neighborhoods to downtown Chicago ⓘ |
| regulatoryJurisdiction |
State of Illinois
ⓘ
linked to:
Illinois
|
| safetyAuthority | Federal Transit Administration oversight ⓘ |
| safetySystem | automatic block signaling ⓘ |
| servesNeighborhood |
Lakeview, Chicago
ⓘ
Lincoln Park, Chicago ⓘ Ravenswood, Chicago ⓘ |
| servicePattern |
Brown Line trains
ⓘ
linked to:
Brown Line
|
| serviceType | rapid transit ⓘ |
| system |
Chicago Transit Authority rail system
ⓘ
linked to:
CTA rail network
|
| trackGauge | standard gauge ⓘ |
| transitMode | rail ⓘ |
| usedFor |
commuter transport
ⓘ
urban public transit ⓘ |
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: Ravenswood branch (Brown Line) Description of subject: The Ravenswood branch of Chicago's Brown Line is an elevated rapid transit route on the city's North Side, serving neighborhoods such as Lincoln Park, Lakeview, and Ravenswood and connecting them to the Loop.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Diversey station (Chicago "L")