Santarém
E105275
Roman Catholic cathedral
airport
city
municipality
public university
religious festival
river port
village
Santarém is a Brazilian city in the state of Pará, known for its location at the confluence of the Amazon and Tapajós rivers and its striking “meeting of the waters” phenomenon.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Santarém canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T790216 — 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: Santarém Context triple: [Amazon River, cityOnRiver, Santarém]
-
A.
Beja
The Beja are a traditionally pastoralist Cushitic-speaking ethnic group of northeastern Africa, primarily inhabiting the Red Sea coastal and desert regions of Sudan and neighboring countries.
-
B.
Porto
Porto is Portugal’s second-largest city, renowned for its historic riverside district, rich maritime heritage, and production of port wine.
-
C.
Coimbra
Coimbra is a historic Portuguese city known for its medieval architecture and the University of Coimbra, one of the oldest universities in continuous operation in the world.
-
D.
Beira
Beira is a major port city in central Mozambique, serving as a key commercial and transport hub for the region.
-
E.
Lourenço Marques
Lourenço Marques is the former name of Maputo, the capital city and main port of Mozambique.
- 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: Santarém Target entity description: Santarém is a Brazilian city in the state of Pará, known for its location at the confluence of the Amazon and Tapajós rivers and its striking “meeting of the waters” phenomenon.
-
A.
Beja
The Beja are a traditionally pastoralist Cushitic-speaking ethnic group of northeastern Africa, primarily inhabiting the Red Sea coastal and desert regions of Sudan and neighboring countries.
-
B.
Porto
Porto is Portugal’s second-largest city, renowned for its historic riverside district, rich maritime heritage, and production of port wine.
-
C.
Coimbra
Coimbra is a historic Portuguese city known for its medieval architecture and the University of Coimbra, one of the oldest universities in continuous operation in the world.
-
D.
Beira
Beira is a major port city in central Mozambique, serving as a key commercial and transport hub for the region.
-
E.
Lourenço Marques
Lourenço Marques is the former name of Maputo, the capital city and main port of Mozambique.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Roman Catholic cathedral
ⓘ
airport ⓘ city ⓘ municipality ⓘ public university ⓘ religious festival ⓘ river port ⓘ village ⓘ |
| averageClimateType | Af (Köppen) ⓘ |
| climate | tropical rainforest climate ⓘ |
| country | Brazil ⓘ |
| demographics | mixed Indigenous, European, and African ancestry ⓘ |
| distanceTo |
approximately 700 km from Manaus
ⓘ
approximately 800 km from Belém ⓘ |
| elevation | approximately 62 meters above sea level ⓘ |
| foundedAs | Aldeia dos Tapajós ⓘ |
| founder | Jesuit missionaries ⓘ |
| foundingDate | 1661 ⓘ |
| hasAirport | Maestro Wilson Fonseca International Airport ⓘ |
| hasCathedral | Cathedral of Our Lady of Conception ⓘ |
| hasFeature |
historic center
ⓘ
river beaches on the Tapajós River ⓘ riverfront promenade ⓘ |
| hasFestival | Círio de Nossa Senhora da Conceição ⓘ |
| hasInstitution | Federal University of Western Pará ⓘ |
| hasPort | Port of Santarém ⓘ |
| knownFor |
confluence of the Amazon and Tapajós rivers
ⓘ
freshwater beaches ⓘ meeting of the waters ⓘ |
| language | Portuguese ⓘ |
| locatedIn |
Amazon rainforest
ⓘ
surface form:
Brazilian Amazon
North Region of Brazil ⓘ
surface form:
Northern Region of Brazil
|
| locatedOn |
BR-163 highway
ⓘ
BR-230 highway ⓘ |
| locatedOnRiver |
Amazon River
ⓘ
Tapajós River ⓘ |
| partOf | Mesoregion of Lower Amazon ⓘ |
| primaryEconomicActivity |
agriculture
ⓘ
cattle ranching ⓘ commerce ⓘ river transport ⓘ tourism ⓘ |
| region |
Amazon Basin
ⓘ
surface form:
Lower Amazon
|
| religion | predominantly Roman Catholic ⓘ |
| riverPhenomenon | visible color contrast between Amazon and Tapajós waters ⓘ |
| state | Pará ⓘ |
| timezone | BRT ⓘ |
| touristAttraction | Alter do Chão ⓘ |
| transportMode | river transport hub on the Amazon ⓘ |
| utcOffset | −03:00 ⓘ |
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: Santarém Description of subject: Santarém is a Brazilian city in the state of Pará, known for its location at the confluence of the Amazon and Tapajós rivers and its striking “meeting of the waters” phenomenon.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.