Chicago Loop elevated structure

E1312560 UNEXPLORED

The Chicago Loop elevated structure is the historic elevated railway system encircling downtown Chicago, forming the core of the city’s rapid transit network.

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All labels observed (5)

Label	Occurrences
Chicago Loop elevated	3
Chicago 'L' Loop elevated structure	1
Chicago Loop elevated structure canonical	1
Chicago Loop elevated tracks	1
Wabash Avenue elevated	1

How this entity was disambiguated

This entity first appeared as the object of triple T18215596 — 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: Chicago Loop elevated structure
Context triple: [Madison/Wells, partOf, Chicago Loop elevated structure]

A. Chicago Pedway system
The Chicago Pedway system is an extensive network of underground and overhead pedestrian walkways in downtown Chicago that links major buildings, transit stations, and attractions, providing sheltered passage throughout the Loop.
B. Washington Street Elevated
Washington Street Elevated was a former elevated rapid transit line in Boston that once carried Orange Line trains along Washington Street through several neighborhoods.
C. Central Station, Chicago
Central Station in Chicago was a major passenger railroad terminal that served as a key transportation hub for several railroads on the city's Near South Side.
D. Chicago Skyway
The Chicago Skyway is a toll bridge and elevated highway on the South Side of Chicago that links the city’s expressway system to the Indiana Toll Road.
E. Federal Plaza (Chicago)
Federal Plaza (Chicago) is a prominent open public square in downtown Chicago’s Loop, known for hosting civic events and featuring Alexander Calder’s iconic “Flamingo” sculpture amid the surrounding federal buildings.
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: Chicago Loop elevated structure
Target entity description: The Chicago Loop elevated structure is the historic elevated railway system encircling downtown Chicago, forming the core of the city’s rapid transit network.

A. Chicago Pedway system
The Chicago Pedway system is an extensive network of underground and overhead pedestrian walkways in downtown Chicago that links major buildings, transit stations, and attractions, providing sheltered passage throughout the Loop.
B. Washington Street Elevated
Washington Street Elevated was a former elevated rapid transit line in Boston that once carried Orange Line trains along Washington Street through several neighborhoods.
C. Central Station, Chicago
Central Station in Chicago was a major passenger railroad terminal that served as a key transportation hub for several railroads on the city's Near South Side.
D. Chicago Skyway
The Chicago Skyway is a toll bridge and elevated highway on the South Side of Chicago that links the city’s expressway system to the Indiana Toll Road.
E. Federal Plaza (Chicago)
Federal Plaza (Chicago) is a prominent open public square in downtown Chicago’s Loop, known for hosting civic events and featuring Alexander Calder’s iconic “Flamingo” sculpture amid the surrounding federal buildings.
F. None of above. chosen