Green Line Lake Branch
E430437
The Green Line Lake Branch is a rapid transit line of the Chicago "L" system that runs west from downtown Chicago to the city's West Side and western suburbs.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lake Branch of the Green Line | 3 |
| Green Line Lake Branch canonical | 1 |
| Lake Branch (Green Line) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4316471 — 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: Green Line Lake Branch Context triple: [Austin station, servedBy, Green Line Lake Branch]
-
A.
Aurora Branch
Aurora Branch is a segment of the Illinois Prairie Path, a multi-use recreational trail in northeastern Illinois that extends toward the city of Aurora.
-
B.
Rumford Branch
Rumford Branch is a rail line in Maine that served as a key route of the Maine Central Railroad, primarily supporting regional freight and paper industry transportation.
-
C.
Beverly Branch
Beverly Branch is a commuter rail branch line of Metra's Rock Island District serving Chicago's Beverly and Morgan Park neighborhoods.
-
D.
Rockport Branch
Rockport Branch is a rail line segment in Massachusetts that forms the Rockport portion of the MBTA Commuter Rail’s Newburyport/Rockport Line, serving communities on Cape Ann.
-
E.
Ronkonkoma Branch
The Ronkonkoma Branch is a major Long Island Rail Road commuter rail line running between New York City and central Long Island, serving as one of the system’s busiest and most important corridors.
- 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: Green Line Lake Branch Target entity description: The Green Line Lake Branch is a rapid transit line of the Chicago "L" system that runs west from downtown Chicago to the city's West Side and western suburbs.
-
A.
Aurora Branch
Aurora Branch is a segment of the Illinois Prairie Path, a multi-use recreational trail in northeastern Illinois that extends toward the city of Aurora.
-
B.
Rumford Branch
Rumford Branch is a rail line in Maine that served as a key route of the Maine Central Railroad, primarily supporting regional freight and paper industry transportation.
-
C.
Beverly Branch
Beverly Branch is a commuter rail branch line of Metra's Rock Island District serving Chicago's Beverly and Morgan Park neighborhoods.
-
D.
Rockport Branch
Rockport Branch is a rail line segment in Massachusetts that forms the Rockport portion of the MBTA Commuter Rail’s Newburyport/Rockport Line, serving communities on Cape Ann.
-
E.
Ronkonkoma Branch
The Ronkonkoma Branch is a major Long Island Rail Road commuter rail line running between New York City and central Long Island, serving as one of the system’s busiest and most important corridors.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
Chicago 'L' line
ⓘ
rapid transit line ⓘ |
| cityServed | Chicago NERFINISHED ⓘ |
| color | green ⓘ |
| connectsWith |
Blue Line (CTA)
NERFINISHED
ⓘ
Brown Line (CTA) NERFINISHED ⓘ Orange Line (CTA) NERFINISHED ⓘ Pink Line (CTA) NERFINISHED ⓘ Purple Line (CTA) NERFINISHED ⓘ Red Line (CTA) NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | third rail ⓘ |
| fareMedium |
contactless smart card
ⓘ
magnetic stripe ticket ⓘ |
| fareSystem | Ventra ⓘ |
| hasStructureType | elevated ⓘ |
| lineColorUsedForMaps | green ⓘ |
| locale | Illinois NERFINISHED ⓘ |
| operator | Chicago Transit Authority ⓘ |
| owner | Chicago Transit Authority ⓘ |
| partOf | Green Line (CTA) NERFINISHED ⓘ |
| runsFrom | Downtown Chicago NERFINISHED ⓘ |
| runsTo |
Chicago West Side
NERFINISHED
ⓘ
western suburbs of Chicago ⓘ |
| servesArea |
Austin, Chicago
NERFINISHED
ⓘ
Chicago Loop NERFINISHED ⓘ Near West Side, Chicago NERFINISHED ⓘ West Garfield Park, Chicago NERFINISHED ⓘ |
| servesSuburb |
Forest Park, Illinois
NERFINISHED
ⓘ
Oak Park, Illinois NERFINISHED ⓘ |
| system | Chicago 'L' NERFINISHED ⓘ |
| terminusDirection |
east
ⓘ
west ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | rapid 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: Green Line Lake Branch Description of subject: The Green Line Lake Branch is a rapid transit line of the Chicago "L" system that runs west from downtown Chicago to the city's West Side and western suburbs.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lake Branch of the Green Line
this entity surface form:
Lake Branch of the Green Line
this entity surface form:
Lake Branch (Green Line)
this entity surface form:
Lake Branch of the Green Line