Buenos Aires Underground public transit system
E723858
The Buenos Aires Underground public transit system is the city’s primary rapid transit network, consisting of multiple subway lines that connect key neighborhoods and serve as a backbone of urban transportation in Argentina’s capital.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T8181193 — 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: Buenos Aires Underground public transit system Context triple: [Emova Movilidad, operatesTransitSystem, Buenos Aires Underground public transit system]
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A.
Buenos Aires commuter rail network
The Buenos Aires commuter rail network is an extensive suburban railway system that connects the Argentine capital with its surrounding metropolitan area, serving as a major backbone of daily passenger transport.
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B.
Buenos Aires bus network
The Buenos Aires bus network is an extensive system of urban and suburban bus routes that forms the backbone of public transportation across the Buenos Aires metropolitan area.
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C.
Buenos Aires Underground Line A
Buenos Aires Underground Line A is the oldest line of the Buenos Aires Metro, known for its historic wooden cars and route linking the city center with western neighborhoods.
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D.
Metrobús Buenos Aires
Metrobús Buenos Aires is a bus rapid transit (BRT) system in Buenos Aires that uses dedicated lanes and priority measures to improve the speed and reliability of urban bus services.
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E.
Line B of Buenos Aires Underground
Line B of the Buenos Aires Underground is a major metro line that runs primarily beneath Avenida Corrientes, connecting the city center with several western neighborhoods and serving key commercial and cultural areas.
- 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: Buenos Aires Underground public transit system Target entity description: The Buenos Aires Underground public transit system is the city’s primary rapid transit network, consisting of multiple subway lines that connect key neighborhoods and serve as a backbone of urban transportation in Argentina’s capital.
-
A.
Buenos Aires commuter rail network
The Buenos Aires commuter rail network is an extensive suburban railway system that connects the Argentine capital with its surrounding metropolitan area, serving as a major backbone of daily passenger transport.
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B.
Buenos Aires bus network
The Buenos Aires bus network is an extensive system of urban and suburban bus routes that forms the backbone of public transportation across the Buenos Aires metropolitan area.
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C.
Buenos Aires Underground Line A
Buenos Aires Underground Line A is the oldest line of the Buenos Aires Metro, known for its historic wooden cars and route linking the city center with western neighborhoods.
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D.
Metrobús Buenos Aires
Metrobús Buenos Aires is a bus rapid transit (BRT) system in Buenos Aires that uses dedicated lanes and priority measures to improve the speed and reliability of urban bus services.
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E.
Line B of Buenos Aires Underground
Line B of the Buenos Aires Underground is a major metro line that runs primarily beneath Avenida Corrientes, connecting the city center with several western neighborhoods and serving key commercial and cultural areas.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
public transport network ⓘ rapid transit system ⓘ |
| alsoKnownAs |
Subte
NERFINISHED
ⓘ
Subterráneo de Buenos Aires NERFINISHED ⓘ |
| connectsWith |
Buenos Aires commuter rail network
NERFINISHED
ⓘ
Metrobús Buenos Aires NERFINISHED ⓘ |
| country | Argentina ⓘ |
| electrification |
overhead line
ⓘ
third rail ⓘ |
| fareSystem | SUBE card NERFINISHED ⓘ |
| firstLineOpened | Line A NERFINISHED ⓘ |
| firstLineOpeningDate | 1 December 1913 ⓘ |
| firstLineTerminus |
Plaza Miserere
NERFINISHED
ⓘ
Plaza de Mayo NERFINISHED ⓘ |
| formerOperator | Metrovías NERFINISHED ⓘ |
| hasDepot |
Line A depot
ⓘ
Line B depot NERFINISHED ⓘ Line D depot ⓘ |
| hasLine |
Line A
NERFINISHED
ⓘ
Line B NERFINISHED ⓘ Line C NERFINISHED ⓘ Line D NERFINISHED ⓘ Line E NERFINISHED ⓘ Line H NERFINISHED ⓘ Premetro Line P NERFINISHED ⓘ |
| hasRollingStockOrigin |
Argentina
NERFINISHED
ⓘ
China NERFINISHED ⓘ Japan NERFINISHED ⓘ Spain NERFINISHED ⓘ |
| hasStation |
Constitución station (Subte)
NERFINISHED
ⓘ
Once station (Subte) NERFINISHED ⓘ Plaza de Mayo station NERFINISHED ⓘ Retiro station (Subte) NERFINISHED ⓘ |
| hasTramFeeder | Buenos Aires Premetro NERFINISHED ⓘ |
| inception | 1913 ⓘ |
| languageOfSignage | Spanish ⓘ |
| locatedIn |
Autonomous City of Buenos Aires
NERFINISHED
ⓘ
Buenos Aires ⓘ |
| numberOfLines | 6 ⓘ |
| operator | Emova Movilidad NERFINISHED ⓘ |
| owner | City of Buenos Aires NERFINISHED ⓘ |
| primaryFunction | urban passenger transport ⓘ |
| regulatingAuthority | Buenos Aires City Government NERFINISHED ⓘ |
| serves | Buenos Aires metropolitan area NERFINISHED ⓘ |
| significantFor |
public transport in Argentina
ⓘ
public transport in Buenos Aires ⓘ |
| trackGauge |
broad gauge
ⓘ
standard gauge ⓘ |
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: Buenos Aires Underground public transit system Description of subject: The Buenos Aires Underground public transit system is the city’s primary rapid transit network, consisting of multiple subway lines that connect key neighborhoods and serve as a backbone of urban transportation in Argentina’s capital.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Buenos Aires Underground network
this entity surface form:
Buenos Aires Metro
this entity surface form:
Buenos Aires Underground network
this entity surface form:
Buenos Aires Metro
this entity surface form:
Buenos Aires Metro
Bolívar station (Line E, Buenos Aires Underground)
→
fareSystem
→
Buenos Aires Underground public transit system
ⓘ
this entity surface form:
Subte of Buenos Aires
Bolívar station (Line E, Buenos Aires Underground)
→
hasSystem
→
Buenos Aires Underground public transit system
ⓘ
this entity surface form:
Buenos Aires Metro system
this entity surface form:
Buenos Aires Underground network
this entity surface form:
Buenos Aires subway (Subte) stations
subject surface form:
Line C (Buenos Aires Underground)
this entity surface form:
Buenos Aires Underground network
this entity surface form:
Subte fare system of Buenos Aires
this entity surface form:
Buenos Aires Underground network