Carioca Aqueduct
E213100
The Carioca Aqueduct, popularly known as the Lapa Arches, is a historic 18th-century aqueduct and iconic Roman-style arcade in Rio de Janeiro that now serves as a landmark bridge for the city’s tram system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Carioca Aqueduct canonical | 3 |
| Arcos da Lapa aqueduct | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1879747 — 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: Carioca Aqueduct Context triple: [Lapa Arches, alsoKnownAs, Carioca Aqueduct]
-
A.
Aqua Paola aqueduct
The Aqua Paola aqueduct is a 17th-century Roman aqueduct and monumental fountain system that restored an ancient water supply to the city, culminating in the grand Fontana dell’Acqua Paola on the Janiculum Hill.
-
B.
Boyacá Bridge
Boyacá Bridge is a historic stone bridge in Colombia famed as the site of the decisive 1819 Battle of Boyacá during the country’s war of independence.
-
C.
Valens Aqueduct
The Valens Aqueduct is a late Roman-era aqueduct in Istanbul, Turkey, that once formed a key part of the city’s water supply system and remains a prominent historic landmark.
-
D.
Puente de Alcántara
Puente de Alcántara is a historic Roman stone arch bridge spanning the Tagus River at Toledo, Spain, renowned for its medieval towers and role as a key entrance to the old city.
-
E.
Ponte Salazar
Ponte Salazar is the former name of Lisbon’s iconic 25 de Abril Bridge, a large suspension bridge spanning the Tagus River in Portugal.
- 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: Carioca Aqueduct Target entity description: The Carioca Aqueduct, popularly known as the Lapa Arches, is a historic 18th-century aqueduct and iconic Roman-style arcade in Rio de Janeiro that now serves as a landmark bridge for the city’s tram system.
-
A.
Aqua Paola aqueduct
The Aqua Paola aqueduct is a 17th-century Roman aqueduct and monumental fountain system that restored an ancient water supply to the city, culminating in the grand Fontana dell’Acqua Paola on the Janiculum Hill.
-
B.
Boyacá Bridge
Boyacá Bridge is a historic stone bridge in Colombia famed as the site of the decisive 1819 Battle of Boyacá during the country’s war of independence.
-
C.
Valens Aqueduct
The Valens Aqueduct is a late Roman-era aqueduct in Istanbul, Turkey, that once formed a key part of the city’s water supply system and remains a prominent historic landmark.
-
D.
Puente de Alcántara
Puente de Alcántara is a historic Roman stone arch bridge spanning the Tagus River at Toledo, Spain, renowned for its medieval towers and role as a key entrance to the old city.
-
E.
Ponte Salazar
Ponte Salazar is the former name of Lisbon’s iconic 25 de Abril Bridge, a large suspension bridge spanning the Tagus River in Portugal.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
aqueduct
ⓘ
bridge ⓘ city landmark ⓘ historic monument ⓘ tourist attraction ⓘ |
| alsoKnownAs |
Arcos da Lapa
ⓘ
Lapa Arches ⓘ |
| architecturalStyle | Roman-style arcade ⓘ |
| carries | Santa Teresa Tram ⓘ |
| citySymbol | symbol of Rio de Janeiro ⓘ |
| constructionEndDate | 1750 ⓘ |
| constructionStartDate | 1723 ⓘ |
| country | Brazil ⓘ |
| crosses |
Lapa
ⓘ
surface form:
Lapa valley
|
| culturalSignificance | iconic example of colonial Brazilian engineering ⓘ |
| currentFunction | tramway bridge ⓘ |
| hasPart |
lower tier arches
ⓘ
two-tier arcade ⓘ upper deck tramway track ⓘ |
| height | approximately 17.6 metres ⓘ |
| heritageDesignation |
National Historic and Artistic Heritage of Brazil
ⓘ
surface form:
National Historic Heritage of Brazil
|
| heritageStatus |
Instituto do Patrimônio Histórico e Artístico Nacional
ⓘ
surface form:
protected by Instituto do Patrimônio Histórico e Artístico Nacional
|
| inception | 18th century ⓘ |
| length | approximately 270 metres ⓘ |
| locatedInMunicipality | Rio de Janeiro ⓘ |
| locatedInNeighborhood | Lapa ⓘ |
| locatedInRegion | Southeast Region of Brazil ⓘ |
| locatedInState |
State of Rio de Janeiro
ⓘ
surface form:
Rio de Janeiro (state)
|
| location | Rio de Janeiro ⓘ |
| materialUsed |
masonry
ⓘ
stone ⓘ |
| near |
Cinelândia
ⓘ
Lapa neighborhood ⓘ
surface form:
Lapa nightlife district
Catedral Metropolitana de São Sebastião do Rio de Janeiro ⓘ
surface form:
Rio de Janeiro Cathedral
|
| notableFor |
distinctive white arches
ⓘ
panoramic views of downtown Rio de Janeiro ⓘ |
| numberOfArches | 42 ⓘ |
| originalFunction | water supply aqueduct ⓘ |
| originalPurpose | to carry water from the Carioca River to Rio de Janeiro ⓘ |
| owner |
Municipal Government of Rio de Janeiro
ⓘ
surface form:
Municipality of Rio de Janeiro
|
| period | Portuguese colonial period ⓘ |
| status |
in use as tram bridge
ⓘ
no longer used as aqueduct ⓘ |
| tourismImportance | major tourist attraction in Rio de Janeiro ⓘ |
| transportConnection |
Centro neighborhood
ⓘ
Santa Teresa neighborhood ⓘ |
| waterSource | Carioca River ⓘ |
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: Carioca Aqueduct Description of subject: The Carioca Aqueduct, popularly known as the Lapa Arches, is a historic 18th-century aqueduct and iconic Roman-style arcade in Rio de Janeiro that now serves as a landmark bridge for the city’s tram system.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Arcos da Lapa aqueduct