Volta Redonda
E250440
Volta Redonda is an industrial city in southeastern Brazil best known for its major steel production complex and role in the country’s metallurgical sector.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Volta Redonda canonical | 17 |
| Volta Redonda, Rio de Janeiro, Brazil | 3 |
| Volta Redonda, Rio de Janeiro | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2166549 — 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: Volta Redonda Context triple: [State of Rio de Janeiro, hasMajorCity, Volta Redonda]
-
A.
Cumbuco
Cumbuco is a coastal village in northeastern Brazil known for its sand dunes, lagoons, and strong winds that make it a popular destination for kitesurfing and other beach tourism.
-
B.
Niterói
Niterói is a coastal city in the state of Rio de Janeiro, Brazil, known for its beaches, views of Rio across the bay, and iconic modernist architecture by Oscar Niemeyer.
-
C.
Parnamirim
Parnamirim is a rapidly growing city in northeastern Brazil known for its proximity to Natal and its historical role in World War II aviation.
-
D.
Petrópolis
Petrópolis is a historic mountain city in Brazil known as the former summer residence of the Brazilian imperial family and for its well-preserved 19th-century architecture.
-
E.
Pau dos Ferros
Pau dos Ferros is a municipality in the interior of Brazil’s Rio Grande do Norte state, known as a regional commercial and educational hub in the Alto Oeste Potiguar region.
- 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: Volta Redonda Target entity description: Volta Redonda is an industrial city in southeastern Brazil best known for its major steel production complex and role in the country’s metallurgical sector.
-
A.
Cumbuco
Cumbuco is a coastal village in northeastern Brazil known for its sand dunes, lagoons, and strong winds that make it a popular destination for kitesurfing and other beach tourism.
-
B.
Niterói
Niterói is a coastal city in the state of Rio de Janeiro, Brazil, known for its beaches, views of Rio across the bay, and iconic modernist architecture by Oscar Niemeyer.
-
C.
Parnamirim
Parnamirim is a rapidly growing city in northeastern Brazil known for its proximity to Natal and its historical role in World War II aviation.
-
D.
Petrópolis
Petrópolis is a historic mountain city in Brazil known as the former summer residence of the Brazilian imperial family and for its well-preserved 19th-century architecture.
-
E.
Pau dos Ferros
Pau dos Ferros is a municipality in the interior of Brazil’s Rio Grande do Norte state, known as a regional commercial and educational hub in the Alto Oeste Potiguar region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| callingCode | +55 ⓘ |
| climate | tropical climate ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| countrySubdivision | Rio de Janeiro ⓘ |
| currency | Brazilian real ⓘ |
| demographicCharacteristic | predominantly urban population ⓘ |
| economicImportance | strategic for Brazilian steel industry ⓘ |
| energyUse | high industrial energy consumption ⓘ |
| governmentType | municipal government ⓘ |
| hasEducationalInstitution | Centro Universitário de Volta Redonda ⓘ |
| hasEnvironmentalIssue | industrial pollution concerns ⓘ |
| hasIndustrialComplex | Companhia Siderúrgica Nacional steel plant ⓘ |
| hasMayor | municipal mayor of Volta Redonda ⓘ |
| hasNickname | Cidade do Aço ⓘ |
| hasPostalCodeSystem |
Brazilian CEP
ⓘ
linked to:
CEP (Brazilian postal code system)
|
| hasPublicService |
municipal education system
ⓘ
municipal health services ⓘ urban public transport ⓘ |
| hasSportsClub | Volta Redonda Futebol Clube ⓘ |
| hasUrbanFeature |
industrial districts
ⓘ
residential neighborhoods for steelworkers ⓘ |
| industrialHeritage | development around CSN steel mill ⓘ |
| industrialSpecialization |
mechanical engineering services
ⓘ
metalworking ⓘ steel rolling ⓘ |
| knownFor |
Companhia Siderúrgica Nacional
ⓘ
metallurgical industry ⓘ steel production ⓘ |
| laborMarket |
industrial workers
ⓘ
service sector employees ⓘ |
| languageUsed | Portuguese ⓘ |
| locatedIn | State of Rio de Janeiro ⓘ |
| locatedInRegion | Southeast Region of Brazil ⓘ |
| locatedOnRiver | Paraíba do Sul River ⓘ |
| partOf |
Vale do Paraíba Fluminense
ⓘ
linked to:
Vale do Paraíba
|
| primaryEconomicSector |
industry
ⓘ
services ⓘ steelmaking ⓘ |
| roleInCountry |
important metallurgical hub in Brazil
ⓘ
major steel production center in Brazil ⓘ |
| subdivisionType | municipality of Rio de Janeiro state ⓘ |
| timeZone | Brasília Time ⓘ |
| transportInfrastructure |
highway connections to Rio de Janeiro
ⓘ
regional bus network ⓘ |
| urbanClassification | medium-sized city ⓘ |
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: Volta Redonda Description of subject: Volta Redonda is an industrial city in southeastern Brazil best known for its major steel production complex and role in the country’s metallurgical sector.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Volta Redonda
linked to: Volta Redonda
linked to: Volta Redonda
linked to: Volta Redonda