Lake Street branch
E569229
The Lake Street branch is a segment of Chicago's elevated rapid transit system, historically part of the Green Line serving the city's West Side.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Street branch canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6111700 — 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: Lake Street branch Context triple: [Paulina Connector, connects, Lake Street branch]
-
A.
Woodland Street Branch
Woodland Street Branch is a segment of Connecticut’s Park River, an urban waterway historically known for its partial burial and role in Hartford’s drainage and flood-control system.
-
B.
Broadview Branch
Broadview Branch is a neighborhood library of The Seattle Public Library system serving the Broadview area of Seattle with books, media, and community services.
-
C.
Forest Park branch
The Forest Park branch is the western segment of Chicago's CTA Blue Line rapid transit route, serving neighborhoods between downtown Chicago and the suburb of Forest Park.
-
D.
Union Square Branch
The Union Square Branch is a segment of Boston's MBTA Green Line light rail system that extends service to the Union Square area of Somerville.
-
E.
Ballard Branch
Ballard Branch is a neighborhood library of the Seattle Public Library system serving the Ballard area with books, media, and community services.
- 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: Lake Street branch Target entity description: The Lake Street branch is a segment of Chicago's elevated rapid transit system, historically part of the Green Line serving the city's West Side.
-
A.
Woodland Street Branch
Woodland Street Branch is a segment of Connecticut’s Park River, an urban waterway historically known for its partial burial and role in Hartford’s drainage and flood-control system.
-
B.
Broadview Branch
Broadview Branch is a neighborhood library of The Seattle Public Library system serving the Broadview area of Seattle with books, media, and community services.
-
C.
Forest Park branch
The Forest Park branch is the western segment of Chicago's CTA Blue Line rapid transit route, serving neighborhoods between downtown Chicago and the suburb of Forest Park.
-
D.
Union Square Branch
The Union Square Branch is a segment of Boston's MBTA Green Line light rail system that extends service to the Union Square area of Somerville.
-
E.
Ballard Branch
Ballard Branch is a neighborhood library of the Seattle Public Library system serving the Ballard area with books, media, and community services.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
elevated railway line
ⓘ
rapid transit line ⓘ |
| character | elevated ⓘ |
| connectsWith |
Loop Elevated
NERFINISHED
ⓘ
North Side Main Line NERFINISHED ⓘ South Side Elevated NERFINISHED ⓘ |
| electrification | third rail ⓘ |
| fareSystem | CTA fare system ⓘ |
| formerlyKnownAs | Lake Street Elevated NERFINISHED ⓘ |
| hasPurpose | urban passenger transport ⓘ |
| hasRollingStock |
CTA 3200-series railcar
NERFINISHED
ⓘ
CTA 5000-series railcar NERFINISHED ⓘ |
| hasServiceType | all-day service ⓘ |
| hasStructureType | steel elevated structure ⓘ |
| hasTerminus |
downtown Chicago Loop
NERFINISHED
ⓘ
western suburbs of Chicago ⓘ |
| historicalOperator |
Chicago Rapid Transit Company
NERFINISHED
ⓘ
Lake Street Elevated Railroad NERFINISHED ⓘ |
| lineColor | green ⓘ |
| locatedIn |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago
Illinois ⓘ United States of America ⓘ
surface form:
United States
|
| modeOfTransport | rapid transit ⓘ |
| openingDate | 1893 ⓘ |
| operator | Chicago Transit Authority ⓘ |
| ownedBy | Chicago Transit Authority ⓘ |
| partOf |
Chicago "L"
NERFINISHED
ⓘ
Green Line (CTA) NERFINISHED ⓘ West Side elevated network NERFINISHED ⓘ |
| servedBy | Green Line trains NERFINISHED ⓘ |
| serves |
West Side, Chicago
NERFINISHED
ⓘ
commuters ⓘ local neighborhoods on Chicago's West Side ⓘ |
| system | Chicago Transit Authority rail system NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesInfrastructure | Lake Street Elevated NERFINISHED ⓘ |
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: Lake Street branch Description of subject: The Lake Street branch is a segment of Chicago's elevated rapid transit system, historically part of the Green Line serving the city's West Side.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.