São Paulo Metro Line 4-Yellow
E587769
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| São Paulo Metro Line 4-Yellow canonical | 6 |
| Linha 4–Amarela (São Paulo Metro) | 2 |
| São Paulo Metro Line 4–Yellow | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6332552 — 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: São Paulo Metro Line 4-Yellow Context triple: [República (bairro de São Paulo), servedBy, São Paulo Metro Line 4-Yellow]
-
A.
São Paulo Metro Line 3-Red
São Paulo Metro Line 3-Red is one of the main rapid transit lines in São Paulo, Brazil, running east–west through central areas and serving as a heavily used backbone of the city’s metro system.
-
B.
São Paulo Metro
The São Paulo Metro is a major rapid transit system serving the city of São Paulo, Brazil, known for its extensive network, high ridership, and role as a backbone of the city's public transportation.
-
C.
Belo Horizonte Metro
The Belo Horizonte Metro is a rapid transit system serving the metropolitan area of Belo Horizonte, Brazil, providing urban rail transport across key districts of the city.
-
D.
Brasília Metro
The Brasília Metro is the rapid transit system serving Brazil’s capital, connecting key government, residential, and commercial areas across the Federal District.
-
E.
VLT Carioca (light rail)
VLT Carioca is a modern light rail transit system in Rio de Janeiro that connects key downtown areas and transportation hubs, improving urban mobility in the city center.
- 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: São Paulo Metro Line 4-Yellow Target entity description: 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.
-
A.
São Paulo Metro Line 3-Red
São Paulo Metro Line 3-Red is one of the main rapid transit lines in São Paulo, Brazil, running east–west through central areas and serving as a heavily used backbone of the city’s metro system.
-
B.
São Paulo Metro
The São Paulo Metro is a major rapid transit system serving the city of São Paulo, Brazil, known for its extensive network, high ridership, and role as a backbone of the city's public transportation.
-
C.
Belo Horizonte Metro
The Belo Horizonte Metro is a rapid transit system serving the metropolitan area of Belo Horizonte, Brazil, providing urban rail transport across key districts of the city.
-
D.
Brasília Metro
The Brasília Metro is the rapid transit system serving Brazil’s capital, connecting key government, residential, and commercial areas across the Federal District.
-
E.
VLT Carioca (light rail)
VLT Carioca is a modern light rail transit system in Rio de Janeiro that connects key downtown areas and transportation hubs, improving urban mobility in the city center.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
driverless metro line
ⓘ
metro line ⓘ public transport infrastructure ⓘ |
| connectsDistrict |
central São Paulo
ⓘ
western São Paulo ⓘ |
| connectsToLine |
CPTM Line 7-Ruby
ⓘ
linked to:
CPTM Line 7–Ruby
CPTM Line 8-Diamond ⓘ
linked to:
CPTM Line 8-Diamante
CPTM Line 9-Emerald ⓘ
linked to:
CPTM Line 9–Emerald
São Paulo Metro Line 1-Blue ⓘ
linked to:
São Paulo Metro Line 1–Blue
São Paulo Metro Line 2-Green ⓘ São Paulo Metro Line 3-Red ⓘ São Paulo Metro Line 5-Lilac ⓘ |
| connectsToNetwork | São Paulo rapid transit network ⓘ |
| hasColor | yellow ⓘ |
| hasConstructionType |
partially elevated
ⓘ
underground ⓘ |
| hasFareSystem | integrated fare with São Paulo public transport ⓘ |
| hasLineNumber | 4 ⓘ |
| hasOpeningDate | 2010 ⓘ |
| hasOperationMode |
driverless
ⓘ
fully automated ⓘ |
| hasPowerSupply | electric traction ⓘ |
| hasRollingStock | driverless metro trains ⓘ |
| hasSignalling | driverless automatic train control ⓘ |
| hasStation |
Butantã station
ⓘ
Faria Lima station ⓘ Fradique Coutinho station ⓘ Higienópolis–Mackenzie station ⓘ Luz station ⓘ
linked to:
Luz Station
Paulista station ⓘ Pinheiros station ⓘ República station ⓘ São Paulo–Morumbi station ⓘ Vila Sônia station ⓘ |
| hasSystem | standard gauge ⓘ |
| hasTechnology | platform screen doors at several stations ⓘ |
| hasTerminus |
Luz station
ⓘ
linked to:
Luz Station
Vila Sônia station ⓘ |
| locatedIn |
Brazil
ⓘ
State of São Paulo ⓘ
linked to:
state of São Paulo
São Paulo ⓘ |
| operatedBy | ViaQuatro ⓘ |
| ownedBy | Government of the State of São Paulo ⓘ |
| partOf | São Paulo Metro ⓘ |
| purpose |
integrate multiple metro and commuter rail lines
ⓘ
reduce traffic congestion in São Paulo ⓘ |
| status | in operation ⓘ |
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: São Paulo Metro Line 4-Yellow Description of subject: 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.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
República
linked to: São Paulo Metro Line 4-Yellow
linked to: São Paulo Metro Line 4-Yellow
linked to: São Paulo Metro Line 4-Yellow
linked to: São Paulo Metro Line 4-Yellow