Piedras station
E731672
Piedras station is a stop on Buenos Aires’ historic Line A subway, serving the central Monserrat area near the city’s Plaza de Mayo.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Piedras station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8181242 — 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: Piedras station Context triple: [Line A (Buenos Aires Underground), hasStation, Piedras station]
-
A.
Tasqueña station
Tasqueña station is a major southern transit hub in Mexico City that serves as the terminus for the Tren Ligero light rail and connects with the city’s metro and bus networks.
-
B.
Jubany Station
Jubany Station is an Argentine Antarctic research base located on King George Island near the Antarctic Peninsula, supporting scientific studies in fields such as glaciology, biology, and atmospheric science.
-
C.
Primos station
Primos station is a commuter rail stop in Pennsylvania serving the SEPTA Regional Rail network.
-
D.
Gamarra station
Gamarra station is a rapid transit stop on Line 1 of the Lima Metro serving the busy commercial district of Gamarra in La Victoria, Lima, Peru.
-
E.
La Aurora station
La Aurora station is a terminal stop on Medellín’s mass transit system, serving as an endpoint for one of the Metro de Medellín lines.
- 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: Piedras station Target entity description: Piedras station is a stop on Buenos Aires’ historic Line A subway, serving the central Monserrat area near the city’s Plaza de Mayo.
-
A.
Tasqueña station
Tasqueña station is a major southern transit hub in Mexico City that serves as the terminus for the Tren Ligero light rail and connects with the city’s metro and bus networks.
-
B.
Jubany Station
Jubany Station is an Argentine Antarctic research base located on King George Island near the Antarctic Peninsula, supporting scientific studies in fields such as glaciology, biology, and atmospheric science.
-
C.
Primos station
Primos station is a commuter rail stop in Pennsylvania serving the SEPTA Regional Rail network.
-
D.
Gamarra station
Gamarra station is a rapid transit stop on Line 1 of the Lima Metro serving the busy commercial district of Gamarra in La Victoria, Lima, Peru.
-
E.
La Aurora station
La Aurora station is a terminal stop on Medellín’s mass transit system, serving as an endpoint for one of the Metro de Medellín lines.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Buenos Aires Underground station
ⓘ
rapid transit station ⓘ |
| city | Buenos Aires ⓘ |
| country | Argentina ⓘ |
| electrification | third rail ⓘ |
| fareSystem |
Subte de Buenos Aires
ⓘ
linked to:
Subte
|
| hasAdjacentStation |
Lima station
ⓘ
Perú station ⓘ |
| hasPlatforms | 2 ⓘ |
| hasStructureType | underground ⓘ |
| hasTicketHall | true ⓘ |
| hasTracks | 2 ⓘ |
| historicalLine | Line A ⓘ |
| lineColor | light blue ⓘ |
| locatedIn |
Argentina
ⓘ
Buenos Aires ⓘ |
| locatedInNeighborhood | Monserrat ⓘ |
| locatedNear | Plaza de Mayo ⓘ |
| locatedUnder | Avenida de Mayo ⓘ |
| namedAfter | Calle Piedras ⓘ |
| openingDate | 1913-12-01 ⓘ |
| operator | Subterráneos de Buenos Aires ⓘ |
| partOf | Buenos Aires Underground ⓘ |
| partOfOpeningSectionOf | Line A ⓘ |
| platformType | side platforms ⓘ |
| publicTransportSystem | Subte ⓘ |
| railGauge | standard gauge ⓘ |
| servesCityCenter | true ⓘ |
| servesDistrict | Comuna 1 ⓘ |
| servesLine | Line A ⓘ |
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: Piedras station Description of subject: Piedras station is a stop on Buenos Aires’ historic Line A subway, serving the central Monserrat area near the city’s Plaza de Mayo.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Line A