Doce River
E359489
The Doce River is a significant waterway in southeastern Brazil known for its ecological importance and for being the site of one of the country’s worst environmental disasters following a 2015 mining dam collapse.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Doce River canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2068871 — 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: Doce River Context triple: [Southeast Region of Brazil, majorRiver, Doce River]
-
A.
Cinca River
The Cinca River is a significant river in northeastern Spain that flows through the Pyrenees and Aragon before joining the Ebro River.
-
B.
Sabor River
The Sabor River is a significant river in northeastern Portugal that flows through the Trás-os-Montes region before joining the Douro.
-
C.
Curaray River
The Curaray River is a remote waterway in the Amazon Basin of Ecuador and Peru, known for its dense rainforest surroundings and historical significance in missionary and indigenous encounters.
-
D.
Coca River
The Coca River is a significant waterway in northeastern Ecuador that flows through the Amazon rainforest and contributes to the Napo River system.
-
E.
Vaza-Barris River
The Vaza-Barris River is a significant waterway in northeastern Brazil that flows through the state of Sergipe before emptying into the Atlantic Ocean.
- 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: Doce River Target entity description: The Doce River is a significant waterway in southeastern Brazil known for its ecological importance and for being the site of one of the country’s worst environmental disasters following a 2015 mining dam collapse.
-
A.
Cinca River
The Cinca River is a significant river in northeastern Spain that flows through the Pyrenees and Aragon before joining the Ebro River.
-
B.
Sabor River
The Sabor River is a significant river in northeastern Portugal that flows through the Trás-os-Montes region before joining the Douro.
-
C.
Curaray River
The Curaray River is a remote waterway in the Amazon Basin of Ecuador and Peru, known for its dense rainforest surroundings and historical significance in missionary and indigenous encounters.
-
D.
Coca River
The Coca River is a significant waterway in northeastern Ecuador that flows through the Amazon rainforest and contributes to the Napo River system.
-
E.
Vaza-Barris River
The Vaza-Barris River is a significant waterway in northeastern Brazil that flows through the state of Sergipe before emptying into the Atlantic Ocean.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| affectedBy |
Fundão dam collapse
ⓘ
Samarco mining disaster ⓘ |
| associatedWithCompany |
BHP Group
ⓘ
surface form:
BHP Billiton
Samarco ⓘ Vale S.A. ⓘ |
| basinArea | approximately 83,400 square kilometers ⓘ |
| basinCountry | Brazil ⓘ |
| basinRegion |
State of Espírito Santo
ⓘ
surface form:
Espírito Santo
Minas Gerais ⓘ |
| country | Brazil ⓘ |
| dateOfEvent | 2015-11-05 (Fundão dam collapse) ⓘ |
| environmentalImpact |
destruction of riparian habitats
ⓘ
fish mortality ⓘ long-term sediment pollution ⓘ massive release of mining tailings ⓘ water contamination ⓘ |
| flowsNear |
Colatina
ⓘ
Governador Valadares ⓘ Linhares ⓘ |
| flowsThrough |
State of Espírito Santo
ⓘ
surface form:
Espírito Santo
Minas Gerais ⓘ |
| hasPortugueseName | Rio Doce ⓘ |
| hasSourceIn | Minas Gerais ⓘ |
| hasWatershedCode | Doce River basin (Brazilian national classification) ⓘ |
| knownFor |
2015 mining dam disaster
ⓘ
ecological importance ⓘ |
| length | approximately 853 km ⓘ |
| locatedIn |
State of Espírito Santo
ⓘ
surface form:
Espírito Santo
Minas Gerais ⓘ southeastern Brazil ⓘ |
| mouthLocatedIn |
Atlantic Ocean
ⓘ
Brazilian Atlantic coast ⓘ
surface form:
Espírito Santo coast
|
| nameMeaning | Sweet River NERFINISHED ⓘ |
| partOf | Doce River basin ⓘ |
| region | Southeast Region of Brazil ⓘ |
| supports |
freshwater ecosystems
ⓘ
riparian forests ⓘ |
| tributary |
Carmo River (Minas Gerais)
ⓘ
Guandu River (Espírito Santo) ⓘ Manhuaçu River ⓘ Piracicaba River (Minas Gerais) ⓘ Suaçuí Grande River ⓘ |
| usedFor |
fishing
ⓘ
irrigation ⓘ navigation in some stretches ⓘ water supply ⓘ |
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: Doce River Description of subject: The Doce River is a significant waterway in southeastern Brazil known for its ecological importance and for being the site of one of the country’s worst environmental disasters following a 2015 mining dam collapse.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.