Line B of Buenos Aires Underground
E709892
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Buenos Aires Underground Line B | 5 |
| Line B (Buenos Aires Underground) | 5 |
| Line B of Buenos Aires Underground canonical | 2 |
| Buenos Aires Underground Line B (Federico Lacroze station) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8104888 — 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: Line B of Buenos Aires Underground Context triple: [Plaza de la República, servedByMetroLine, Line B of Buenos Aires Underground]
-
A.
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.
-
B.
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.
-
C.
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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D.
Nord-Sud Line B
Nord-Sud Line B was the original name of what is now Paris Métro Line 13, a major north–south subway line in the French capital.
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E.
Santiago Metro Line 2
Santiago Metro Line 2 is one of the main rapid transit lines in Santiago, Chile, running in a generally north–south direction and serving key residential and commercial areas of the city.
- 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: Line B of Buenos Aires Underground Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Nord-Sud Line B
Nord-Sud Line B was the original name of what is now Paris Métro Line 13, a major north–south subway line in the French capital.
-
E.
Santiago Metro Line 2
Santiago Metro Line 2 is one of the main rapid transit lines in Santiago, Chile, running in a generally north–south direction and serving key residential and commercial areas of the city.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| cityServed | Buenos Aires NERFINISHED ⓘ |
| colorOnMap | red ⓘ |
| connectsArea |
city center of Buenos Aires
ⓘ
western neighborhoods of Buenos Aires ⓘ |
| country | Argentina ⓘ |
| electrificationSystem | third rail electrification ⓘ |
| formerTerminusStation |
Federico Lacroze station
NERFINISHED
ⓘ
Los Incas–Parque Chas station NERFINISHED ⓘ |
| hasStation |
Callao station
NERFINISHED
ⓘ
Carlos Gardel station NERFINISHED ⓘ Carlos Pellegrini station NERFINISHED ⓘ Dorrego station NERFINISHED ⓘ Echeverría station NERFINISHED ⓘ Federico Lacroze station NERFINISHED ⓘ Florida station NERFINISHED ⓘ Juan Manuel de Rosas–Villa Urquiza station NERFINISHED ⓘ Leandro N. Alem station NERFINISHED ⓘ Los Incas–Parque Chas station NERFINISHED ⓘ Malabia–Osvaldo Pugliese station NERFINISHED ⓘ Medrano station NERFINISHED ⓘ Pasteur–AMIA station NERFINISHED ⓘ Pueyrredón station (Line B) NERFINISHED ⓘ Tronador–Villa Ortúzar station NERFINISHED ⓘ Uruguay station NERFINISHED ⓘ Ángel Gallardo station NERFINISHED ⓘ |
| interchangeWith |
Line C of Buenos Aires Underground
NERFINISHED
ⓘ
Line D of Buenos Aires Underground NERFINISHED ⓘ Line H of Buenos Aires Underground NERFINISHED ⓘ |
| locatedIn |
Argentina
ⓘ
Buenos Aires ⓘ |
| opened | 1930 ⓘ |
| operator | Subterráneos de Buenos Aires S.E. NERFINISHED ⓘ |
| orientation | east–west ⓘ |
| partOf | Buenos Aires Underground NERFINISHED ⓘ |
| runsUnder | Avenida Corrientes NERFINISHED ⓘ |
| servesAreaType |
commercial areas
ⓘ
cultural areas ⓘ |
| servesCorridor | Avenida Corrientes corridor NERFINISHED ⓘ |
| servesNeighborhood |
Almagro
NERFINISHED
ⓘ
Balvanera NERFINISHED ⓘ Chacarita NERFINISHED ⓘ Microcentro NERFINISHED ⓘ Villa Crespo NERFINISHED ⓘ Villa Ortúzar NERFINISHED ⓘ Villa Urquiza NERFINISHED ⓘ |
| terminusStation |
Juan Manuel de Rosas–Villa Urquiza station
NERFINISHED
ⓘ
Leandro N. Alem station NERFINISHED ⓘ |
| trackGauge | 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: Line B of Buenos Aires Underground Description of subject: 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.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Line B of Buenos Aires Underground
linked to: Line B of Buenos Aires Underground
subject linked to:
Line D
linked to: Line B of Buenos Aires Underground
linked to: Line B of Buenos Aires Underground
subject linked to:
Line E
linked to: Line B of Buenos Aires Underground
linked to: Line B of Buenos Aires Underground
subject linked to:
Line C
linked to: Line B of Buenos Aires Underground
linked to: Line B of Buenos Aires Underground
linked to: Line B of Buenos Aires Underground
linked to: Line B of Buenos Aires Underground
La Chacarita Cemetery
→
hasTransportationConnection
→
Buenos Aires Underground Line B (Federico Lacroze station)
ⓘ
subject linked to:
La Chacarita Cemetery, Buenos Aires
linked to: Line B of Buenos Aires Underground