Porto Velho
E498934
Porto Velho is the capital and largest city of the Brazilian state of Rondônia, located in the western Amazon region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Porto Velho canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4990658 — 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: Porto Velho Context triple: [Madeira River, cityOnRiver, Porto Velho]
-
A.
Manaus
Manaus is a major Brazilian city and capital of the state of Amazonas, known as a key gateway to the Amazon rainforest and an important industrial and cultural center in the region.
-
B.
Belém do Pará
Belém do Pará is a major port city in northern Brazil, known as the gateway to the Amazon region and an important cultural and economic center.
-
C.
Belém
Belém is a historic riverside district of Lisbon, Portugal, known for its monuments of the Age of Discoveries, including the Belém Tower and Jerónimos Monastery.
-
D.
Belo Horizonte
Belo Horizonte is the capital and largest city of the Brazilian state of Minas Gerais, known for its modernist architecture, surrounding mountains, and vibrant cultural and economic life.
-
E.
Uberlândia
Uberlândia is a major commercial and logistics hub in the Brazilian state of Minas Gerais, known for its agribusiness, services sector, and strategic location in the country's Southeast.
- 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: Porto Velho Target entity description: Porto Velho is the capital and largest city of the Brazilian state of Rondônia, located in the western Amazon region.
-
A.
Manaus
Manaus is a major Brazilian city and capital of the state of Amazonas, known as a key gateway to the Amazon rainforest and an important industrial and cultural center in the region.
-
B.
Belém do Pará
Belém do Pará is a major port city in northern Brazil, known as the gateway to the Amazon region and an important cultural and economic center.
-
C.
Belém
Belém is a historic riverside district of Lisbon, Portugal, known for its monuments of the Age of Discoveries, including the Belém Tower and Jerónimos Monastery.
-
D.
Belo Horizonte
Belo Horizonte is the capital and largest city of the Brazilian state of Minas Gerais, known for its modernist architecture, surrounding mountains, and vibrant cultural and economic life.
-
E.
Uberlândia
Uberlândia is a major commercial and logistics hub in the Brazilian state of Minas Gerais, known for its agribusiness, services sector, and strategic location in the country's Southeast.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| callingCode | +55 69 ⓘ |
| capitalOf | Rondônia NERFINISHED ⓘ |
| climate | tropical monsoon climate ⓘ |
| continent | South America ⓘ |
| coordinateLocation | approximately -8.7619 -63.9039 ⓘ |
| country | Brazil ⓘ |
| countrySubdivisionStatus | state capital of Brazil ⓘ |
| demographicsEthnicComposition |
black
ⓘ
indigenous ⓘ mixed (pardo) ⓘ white ⓘ |
| economyType |
commerce
ⓘ
public administration ⓘ services ⓘ |
| elevationAboveSeaLevel | approximately 85 metres ⓘ |
| hasAirport | Porto Velho International Airport NERFINISHED ⓘ |
| hasExecutiveHead | Mayor of Porto Velho ⓘ |
| hasHeritage | Madeira-Mamoré Railway complex NERFINISHED ⓘ |
| hasHigherEducationInstitution |
Centro Universitário São Lucas
NERFINISHED
ⓘ
Faculdade São Mateus de Porto Velho NERFINISHED ⓘ Federal University of Rondônia (campus in Porto Velho) NERFINISHED ⓘ |
| hasLegislativeBody | Municipal Chamber of Porto Velho NERFINISHED ⓘ |
| hasOfficialWebsite | https://www.portovelho.ro.gov.br/ ⓘ |
| hasPostalCodeRange | 76800-000 to 76849-999 ⓘ |
| hasRailwayTerminus | Madeira-Mamoré Railway NERFINISHED ⓘ |
| hasRiverPort | Port of Porto Velho NERFINISHED ⓘ |
| hasTimezone | Amazon Time NERFINISHED ⓘ |
| inception | 1914 ⓘ |
| isLargestCityOf | Rondônia NERFINISHED ⓘ |
| isLocatedInBiogeographicRegion | Amazon rainforest NERFINISHED ⓘ |
| isMunicipalSeatOf | Municipality of Porto Velho NERFINISHED ⓘ |
| isSeatOf | Roman Catholic Archdiocese of Porto Velho NERFINISHED ⓘ |
| isServedBy | BR-364 highway NERFINISHED ⓘ |
| languageUsed | Portuguese ⓘ |
| locatedInAdministrativeTerritorialEntity | Rondônia NERFINISHED ⓘ |
| locatedInHydrologicalBasin | Amazon Basin NERFINISHED ⓘ |
| locatedInRegion |
North Region of Brazil
NERFINISHED
ⓘ
western Amazon ⓘ |
| locatedInTimeZone | America/Porto_Velho ⓘ |
| locatedOnRiver | Madeira River NERFINISHED ⓘ |
| namedAfter | old port (Portuguese: porto velho) NERFINISHED ⓘ |
| partOf | Brazilian Amazon NERFINISHED ⓘ |
| population | over 500000 inhabitants ⓘ |
| UTCOffset | −04:00 ⓘ |
| vehicleRegistrationCode | RO ⓘ |
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: Porto Velho Description of subject: Porto Velho is the capital and largest city of the Brazilian state of Rondônia, located in the western Amazon region.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.