Corcovado Rack Railway
E209266
The Corcovado Rack Railway is a historic cogwheel train line in Rio de Janeiro that climbs through the Tijuca Forest to the summit of Corcovado Mountain, offering access to the iconic Christ the Redeemer statue.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Corcovado Rack Railway canonical | 15 |
| Corcovado Rack Railway lower station | 2 |
| Corcovado Rack Railway line | 1 |
| Corcovado Rack Railway station | 1 |
| Corcovado Train | 1 |
| Corcovado rack railway lower station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1876585 — 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: Corcovado Rack Railway Context triple: [Christ the Redeemer, access, Corcovado Rack Railway]
-
A.
Santo Domingo cable car
The Santo Domingo cable car is an urban aerial gondola system that provides public transportation across several neighborhoods of Santo Domingo in the Dominican Republic.
-
B.
Skyrail Rainforest Cableway
Skyrail Rainforest Cableway is an eco-tourism gondola experience in tropical North Queensland that carries visitors over and through the World Heritage–listed Wet Tropics rainforest between Cairns and Kuranda.
-
C.
Mi Teleférico cable car system
Mi Teleférico cable car system is an urban aerial cable car network in Bolivia that serves as a primary public transit system connecting the cities of La Paz and El Alto across steep Andean terrain.
-
D.
Metrocable Medellín
Metrocable Medellín is an urban cable car system in Medellín, Colombia, designed to connect hillside and low-income neighborhoods to the city’s metro network and improve public transportation and social integration.
-
E.
Corcovado
Corcovado is a prominent mountain in Rio de Janeiro, Brazil, best known for the iconic Christ the Redeemer statue that stands atop it overlooking 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: Corcovado Rack Railway Target entity description: The Corcovado Rack Railway is a historic cogwheel train line in Rio de Janeiro that climbs through the Tijuca Forest to the summit of Corcovado Mountain, offering access to the iconic Christ the Redeemer statue.
-
A.
Santo Domingo cable car
The Santo Domingo cable car is an urban aerial gondola system that provides public transportation across several neighborhoods of Santo Domingo in the Dominican Republic.
-
B.
Skyrail Rainforest Cableway
Skyrail Rainforest Cableway is an eco-tourism gondola experience in tropical North Queensland that carries visitors over and through the World Heritage–listed Wet Tropics rainforest between Cairns and Kuranda.
-
C.
Mi Teleférico cable car system
Mi Teleférico cable car system is an urban aerial cable car network in Bolivia that serves as a primary public transit system connecting the cities of La Paz and El Alto across steep Andean terrain.
-
D.
Metrocable Medellín
Metrocable Medellín is an urban cable car system in Medellín, Colombia, designed to connect hillside and low-income neighborhoods to the city’s metro network and improve public transportation and social integration.
-
E.
Corcovado
Corcovado is a prominent mountain in Rio de Janeiro, Brazil, best known for the iconic Christ the Redeemer statue that stands atop it overlooking the city.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
cog railway
ⓘ
mountain railway ⓘ rack railway ⓘ tourist railway ⓘ |
| cityServed | Rio de Janeiro ⓘ |
| constructionStart | 1880 ⓘ |
| convertedToElectricTraction | early 20th century ⓘ |
| country | Brazil ⓘ |
| electrification | electric traction ⓘ |
| environment | Atlantic Forest biome ⓘ |
| gauge | metre gauge ⓘ |
| givesAccessTo | Christ the Redeemer ⓘ |
| hasStation |
Corcovado station
ⓘ
linked to:
Corcovado
Cosme Velho station ⓘ Paineiras station ⓘ |
| hasWebsite | https://www.tremdocorcovado.rio ⓘ |
| heritageStatus | historic railway ⓘ |
| languageOfSignage |
English
ⓘ
Portuguese ⓘ |
| lineLength | approximately 3.8 km ⓘ |
| locatedIn |
Rio de Janeiro
ⓘ
Tijuca National Park ⓘ |
| locatedOn |
Corcovado Mountain
ⓘ
linked to:
Mount Corcovado
|
| maximumGradient | about 30 percent ⓘ |
| near |
Botafogo neighborhood
ⓘ
Laranjeiras neighborhood ⓘ
linked to:
Laranjeiras
|
| notableFor |
passing through Atlantic Forest vegetation
ⓘ
providing access to Christ the Redeemer ⓘ |
| notableView |
Copacabana
ⓘ
linked to:
Copacabana Beach
Guanabara Bay ⓘ Ipanema ⓘ Sugarloaf Mountain ⓘ |
| openingDate | 1884 ⓘ |
| operator | Trem do Corcovado ⓘ |
| originalTraction | steam ⓘ |
| owner | Archdiocese of Rio de Janeiro ⓘ |
| partOf | tourist infrastructure of Rio de Janeiro ⓘ |
| passesThrough |
Tijuca Forest
ⓘ
linked to:
Tijuca National Park
|
| primaryUse |
access to Christ the Redeemer
ⓘ
tourist transport ⓘ |
| rackSystem | Riggenbach rack system ⓘ |
| region |
Southeast Brazil
ⓘ
linked to:
Southeast Region of Brazil
|
| safetySystem | rack-and-pinion braking ⓘ |
| terminus |
Corcovado Mountain summit
ⓘ
linked to:
Mount Corcovado
Cosme Velho ⓘ |
| ticketIncludes | park entrance fee ⓘ |
| ticketType | round-trip tickets ⓘ |
| touristAttractionIn | Rio de Janeiro ⓘ |
| trackGauge | 1000 mm ⓘ |
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: Corcovado Rack Railway Description of subject: The Corcovado Rack Railway is a historic cogwheel train line in Rio de Janeiro that climbs through the Tijuca Forest to the summit of Corcovado Mountain, offering access to the iconic Christ the Redeemer statue.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Corcovado Rack Railway
subject linked to:
Cosme Velho neighborhood
linked to: Corcovado Rack Railway
linked to: Corcovado Rack Railway
linked to: Corcovado Rack Railway
linked to: Corcovado Rack Railway
linked to: Corcovado Rack Railway