Baía de São Marcos
E468200
Baía de São Marcos is a large coastal bay in the Brazilian state of Maranhão, near São Luís, known for its significant tidal range and historical port settlements.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Baía de São Marcos canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4751483 — 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: Baía de São Marcos Context triple: [Alcântara, locatedOn, Baía de São Marcos]
-
A.
Baia
Baia is a coastal frazione of Bacoli in the Campania region of southern Italy, known for its submerged ancient Roman ruins and thermal baths.
-
B.
Guanabara Bay
Guanabara Bay is a large, scenic natural harbor on Brazil’s southeastern coast, famed for its surrounding mountains, beaches, and the city of Rio de Janeiro along its shores.
-
C.
Bahía de Todos Santos
Bahía de Todos Santos is a coastal bay on the Pacific Ocean in northwestern Baja California, Mexico, known for its port facilities, fishing, and proximity to the city of Ensenada.
-
D.
Bay of All Saints
Bay of All Saints is a large, historically significant bay on Brazil’s northeastern coast that has long served as a major maritime hub and gateway for the city of Salvador.
-
E.
Bahía de Puerto Nuevo
Bahía de Puerto Nuevo is a coastal inlet and harbor area in San Juan, Puerto Rico, that forms part of the city’s larger bay system and supports maritime and urban activities.
- 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: Baía de São Marcos Target entity description: Baía de São Marcos is a large coastal bay in the Brazilian state of Maranhão, near São Luís, known for its significant tidal range and historical port settlements.
-
A.
Baia
Baia is a coastal frazione of Bacoli in the Campania region of southern Italy, known for its submerged ancient Roman ruins and thermal baths.
-
B.
Guanabara Bay
Guanabara Bay is a large, scenic natural harbor on Brazil’s southeastern coast, famed for its surrounding mountains, beaches, and the city of Rio de Janeiro along its shores.
-
C.
Bahía de Todos Santos
Bahía de Todos Santos is a coastal bay on the Pacific Ocean in northwestern Baja California, Mexico, known for its port facilities, fishing, and proximity to the city of Ensenada.
-
D.
Bay of All Saints
Bay of All Saints is a large, historically significant bay on Brazil’s northeastern coast that has long served as a major maritime hub and gateway for the city of Salvador.
-
E.
Bahía de Puerto Nuevo
Bahía de Puerto Nuevo is a coastal inlet and harbor area in San Juan, Puerto Rico, that forms part of the city’s larger bay system and supports maritime and urban activities.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
bay
ⓘ
coastal water body ⓘ |
| coast | North Coast of Brazil ⓘ |
| country | Brazil ⓘ |
| hasEnvironmentalConcern |
coastal erosion risk
ⓘ
mangrove habitat pressure ⓘ |
| hasHydrologicalCharacteristic |
high tidal amplitude
ⓘ
strong tidal mixing ⓘ |
| hasMouth | Atlantic Ocean ⓘ |
| hasNearbyInfrastructure |
industrial port terminals near São Luís
ⓘ
ports of São Luís region ⓘ |
| hasSignificantFeature |
large tidal range
ⓘ
macrotidal regime ⓘ strong tidal currents ⓘ |
| historicalUse |
colonial port settlements
ⓘ
trade route access ⓘ |
| influences |
local coastal ecosystems
ⓘ
sediment transport along Maranhão coast ⓘ |
| languageOfToponym | Portuguese ⓘ |
| locatedIn | State of Maranhão ⓘ |
| locatedInRegion | Northeast Region of Brazil ⓘ |
| locatedNear |
São Luís, Maranhão
ⓘ
linked to:
São Luís
|
| locatedOn | Maranhão coastline ⓘ |
| nearbyCity |
Alcântara, Maranhão
ⓘ
linked to:
Alcântara
São Luís ⓘ |
| partOf | Atlantic Ocean ⓘ |
| usedFor |
fishing
ⓘ
maritime transport ⓘ navigation ⓘ port activities ⓘ |
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: Baía de São Marcos Description of subject: Baía de São Marcos is a large coastal bay in the Brazilian state of Maranhão, near São Luís, known for its significant tidal range and historical port settlements.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.