Subterráneos de Buenos Aires (SBASE)
E716622
Subterráneos de Buenos Aires (SBASE) is the state-owned company responsible for managing and overseeing the Buenos Aires Underground metro system in Argentina.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Subterráneos de Buenos Aires (SBASE) canonical | 30 |
| Subterráneos de Buenos Aires S.E. | 14 |
| Subterráneos de Buenos Aires Sociedad del Estado (Spanish) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8181225 — 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: Subterráneos de Buenos Aires (SBASE) Context triple: [Line A (Buenos Aires Underground), operator, Subterráneos de Buenos Aires (SBASE)]
-
A.
Buenos Aires Underground
Buenos Aires Underground is the rapid transit system serving Argentina’s capital, known as the oldest subway network in Latin America and a key component of the city’s public transportation.
-
B.
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.
-
C.
Buenos Aires Underground Line E
Buenos Aires Underground Line E is one of the lines of the Buenos Aires Metro system, running primarily east–west and connecting central Buenos Aires with southeastern neighborhoods.
-
D.
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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E.
Subte
Subte is the rapid transit metro system serving Buenos Aires, Argentina, and one of the oldest underground rail networks in Latin America.
- 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: Subterráneos de Buenos Aires (SBASE) Target entity description: Subterráneos de Buenos Aires (SBASE) is the state-owned company responsible for managing and overseeing the Buenos Aires Underground metro system in Argentina.
-
A.
Buenos Aires Underground
Buenos Aires Underground is the rapid transit system serving Argentina’s capital, known as the oldest subway network in Latin America and a key component of the city’s public transportation.
-
B.
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.
-
C.
Buenos Aires Underground Line E
Buenos Aires Underground Line E is one of the lines of the Buenos Aires Metro system, running primarily east–west and connecting central Buenos Aires with southeastern neighborhoods.
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D.
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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E.
Subte
Subte is the rapid transit metro system serving Buenos Aires, Argentina, and one of the oldest underground rail networks in Latin America.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
public transport authority
ⓘ
state-owned company ⓘ |
| city | Buenos Aires ⓘ |
| cityServed | Buenos Aires ⓘ |
| country | Argentina ⓘ |
| countryOfHeadquarters | Argentina ⓘ |
| foundedBy | Government of Argentina ⓘ |
| fullName |
Subterráneos de Buenos Aires Sociedad del Estado
ⓘ
linked to:
Subterráneos de Buenos Aires
|
| hasAbbreviation | SBASE ⓘ |
| hasHeadquartersInBuilding |
Buenos Aires city government area
ⓘ
linked to:
Municipality of Buenos Aires
|
| hasNativeName | Subterráneos de Buenos Aires ⓘ |
| hasNativeNameLanguage | es ⓘ |
| hasOfficialNameInLanguage |
Subterráneos de Buenos Aires Sociedad del Estado (Spanish)
ⓘ
linked to:
Subterráneos de Buenos Aires (SBASE)
|
| hasRole |
asset owner of the Buenos Aires Underground
ⓘ
grantor of operating concessions for the Buenos Aires Underground ⓘ |
| headquartersLocation | Buenos Aires ⓘ |
| industry |
public transportation
ⓘ
urban rail transport ⓘ |
| jurisdiction | Autonomous City of Buenos Aires ⓘ |
| languageOfWork | Spanish ⓘ |
| legalForm | sociedad del Estado ⓘ |
| locatedIn | Autonomous City of Buenos Aires ⓘ |
| operatesInJurisdiction |
City of Buenos Aires
ⓘ
linked to:
Buenos Aires
|
| oversees | Buenos Aires Underground ⓘ |
| owner | Government of the City of Buenos Aires ⓘ |
| owns | Buenos Aires Underground infrastructure ⓘ |
| parentOrganization | Government of the City of Buenos Aires ⓘ |
| primaryResponsibility |
expansion of the Buenos Aires Underground network
ⓘ
management of the Buenos Aires Underground ⓘ oversight of the Buenos Aires Underground concessions ⓘ planning of the Buenos Aires Underground network ⓘ |
| publicTransportSystem | Buenos Aires Underground ⓘ |
| regionServed |
Buenos Aires metropolitan area
ⓘ
linked to:
Greater Buenos Aires
|
| regulates | Buenos Aires Underground operating companies ⓘ |
| responsibleFor |
modernization of Buenos Aires Underground infrastructure
ⓘ
network extensions of the Buenos Aires Underground ⓘ procurement of rolling stock for the Buenos Aires Underground ⓘ |
| sector | public sector ⓘ |
| serviceType |
metro system management
ⓘ
rail network planning ⓘ subway infrastructure maintenance ⓘ |
| shortName | SBASE ⓘ |
| supervises |
maintenance of Buenos Aires Underground infrastructure
ⓘ
operation of Buenos Aires Underground lines ⓘ |
| transportMode |
metro
ⓘ
subway ⓘ |
| typeOfOrganization | urban rail authority ⓘ |
| websiteLanguage | Spanish ⓘ |
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: Subterráneos de Buenos Aires (SBASE) Description of subject: Subterráneos de Buenos Aires (SBASE) is the state-owned company responsible for managing and overseeing the Buenos Aires Underground metro system in Argentina.
Referenced by (45)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Line A
subject linked to:
Line B
subject linked to:
Line D
Plaza de Mayo station (Line A, Buenos Aires Underground)
→
operator
→
Subterráneos de Buenos Aires (SBASE)
ⓘ
Bolívar station (Line E, Buenos Aires Underground)
→
operatedBy
→
Subterráneos de Buenos Aires (SBASE)
ⓘ
Congreso station (Line A, Buenos Aires Underground)
→
operator
→
Subterráneos de Buenos Aires (SBASE)
ⓘ
subject linked to:
Line B of Buenos Aires Underground
linked to: Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
Subterráneos de Buenos Aires
→
hasOfficialNameInLanguage
→
Subterráneos de Buenos Aires Sociedad del Estado (Spanish)
ⓘ
subject linked to:
Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
Juan Manuel de Rosas–Villa Urquiza station
→
networkOperator
→
Subterráneos de Buenos Aires (SBASE)
ⓘ
subject linked to:
Lima
linked to: Subterráneos de Buenos Aires (SBASE)
subject linked to:
San José
linked to: Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
9 de Julio station (Line D, Buenos Aires Underground)
→
operator
→
Subterráneos de Buenos Aires (SBASE)
ⓘ
linked to: Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
linked to: Subterráneos de Buenos Aires (SBASE)
Bulnes station (Line D, Buenos Aires Underground)
→
operator
→
Subterráneos de Buenos Aires (SBASE)
ⓘ