CPTM Line 9–Emerald

E966500 UNEXPLORED

CPTM Line 9–Emerald is a commuter rail line in São Paulo, Brazil, that runs along the Pinheiros River corridor and connects several southern and western districts of the metropolitan area.

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All labels observed (5)

Label	Occurrences
CPTM Line 9-Emerald	2
CPTM Line 9–Emerald canonical	2
CPTM Line 9 (Emerald) commuter rail	1
Linha 9–Esmeralda	1
Linha 9–Esmeralda (CPTM)	1

How this entity was disambiguated

This entity first appeared as the object of triple T12136366 — 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: CPTM Line 9–Emerald
Context triple: [Interlagos district, São Paulo, hasTransportConnection, CPTM Line 9–Emerald]

A. CPTM Line 11–Coral
CPTM Line 11–Coral is a commuter rail line in the São Paulo metropolitan area that connects central districts to the city’s eastern outskirts, including service to the Arena Corinthians stadium.
B. CPTM Line 13–Jade
CPTM Line 13–Jade is a commuter rail line in Greater São Paulo that connects São Paulo’s rail network to São Paulo–Guarulhos International Airport (GRU).
C. São Paulo Metro Line 4-Yellow
São Paulo Metro Line 4-Yellow is a major driverless metro line in São Paulo that connects key central and western districts, easing congestion and integrating with several other lines in the city’s rapid transit network.
D. São Paulo Metro Line 1–Blue
São Paulo Metro Line 1–Blue is the oldest and one of the busiest lines of the São Paulo Metro system, running primarily in a north–south direction and connecting key residential districts with the city’s central area.
E. CPTM commuter rail
CPTM commuter rail is a suburban rail network serving the São Paulo metropolitan area, connecting the city to its surrounding municipalities.
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: CPTM Line 9–Emerald
Target entity description: CPTM Line 9–Emerald is a commuter rail line in São Paulo, Brazil, that runs along the Pinheiros River corridor and connects several southern and western districts of the metropolitan area.

A. CPTM Line 11–Coral
CPTM Line 11–Coral is a commuter rail line in the São Paulo metropolitan area that connects central districts to the city’s eastern outskirts, including service to the Arena Corinthians stadium.
B. CPTM Line 13–Jade
CPTM Line 13–Jade is a commuter rail line in Greater São Paulo that connects São Paulo’s rail network to São Paulo–Guarulhos International Airport (GRU).
C. São Paulo Metro Line 4-Yellow
São Paulo Metro Line 4-Yellow is a major driverless metro line in São Paulo that connects key central and western districts, easing congestion and integrating with several other lines in the city’s rapid transit network.
D. São Paulo Metro Line 1–Blue
São Paulo Metro Line 1–Blue is the oldest and one of the busiest lines of the São Paulo Metro system, running primarily in a north–south direction and connecting key residential districts with the city’s central area.
E. CPTM commuter rail
CPTM commuter rail is a suburban rail network serving the São Paulo metropolitan area, connecting the city to its surrounding municipalities.
F. None of above. chosen