Gurgueia River
E641374
The Gurgueia River is a significant river in the Brazilian state of Piauí, serving as an important waterway for the region’s ecosystems and local communities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Gurgueia River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6632220 — 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: Gurgueia River Context triple: [Piauí, contains, Gurgueia River]
-
A.
Pelotas River
The Pelotas River is a significant river in southern Brazil that forms part of the Uruguay River system and helps define sections of the border between Brazilian states.
-
B.
Gilão River
The Gilão River is a waterway in Portugal’s Algarve region that flows through the historic town of Tavira before reaching the Atlantic Ocean.
-
C.
Carrao River
The Carrao River is a river in southeastern Venezuela that flows through Canaima National Park and is known for feeding Angel Falls, the world’s tallest uninterrupted waterfall.
-
D.
Taquari River
The Taquari River is a significant waterway in central-western Brazil that flows through the Pantanal wetlands before joining the Paraguay River.
-
E.
Branco River
The Branco River is a significant tributary of the Rio Negro in northern Brazil, draining part of the Guiana Shield and playing a key role in the Amazon Basin’s hydrology and regional ecosystems.
- 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: Gurgueia River Target entity description: The Gurgueia River is a significant river in the Brazilian state of Piauí, serving as an important waterway for the region’s ecosystems and local communities.
-
A.
Pelotas River
The Pelotas River is a significant river in southern Brazil that forms part of the Uruguay River system and helps define sections of the border between Brazilian states.
-
B.
Gilão River
The Gilão River is a waterway in Portugal’s Algarve region that flows through the historic town of Tavira before reaching the Atlantic Ocean.
-
C.
Carrao River
The Carrao River is a river in southeastern Venezuela that flows through Canaima National Park and is known for feeding Angel Falls, the world’s tallest uninterrupted waterfall.
-
D.
Taquari River
The Taquari River is a significant waterway in central-western Brazil that flows through the Pantanal wetlands before joining the Paraguay River.
-
E.
Branco River
The Branco River is a significant tributary of the Rio Negro in northern Brazil, draining part of the Guiana Shield and playing a key role in the Amazon Basin’s hydrology and regional ecosystems.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Brazil NERFINISHED ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| drainageBasin | Parnaíba River basin NERFINISHED ⓘ |
| flowsThrough | rural areas of Piauí ⓘ |
| hasEconomicRole |
supports agriculture
ⓘ
supports subsistence fishing ⓘ |
| hasEnvironmentalRole | maintains local wetlands ⓘ |
| hasHydrologicalRole | tributary of the Parnaíba River ⓘ |
| hasSignificance |
important for regional ecosystems
ⓘ
important waterway for local communities ⓘ |
| hasUse |
fishing
ⓘ
irrigation ⓘ water supply for local communities ⓘ |
| languageOfToponym | Portuguese ⓘ |
| locatedIn |
Northeast Region of Brazil
ⓘ
Piauí NERFINISHED ⓘ semi-arid region of Brazil ⓘ |
| mouth | Parnaíba River NERFINISHED ⓘ |
| partOf | Parnaíba River basin NERFINISHED ⓘ |
| region | interior of Piauí ⓘ |
| supports |
aquatic biodiversity
ⓘ
regional ecosystems ⓘ riparian vegetation ⓘ |
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: Gurgueia River Description of subject: The Gurgueia River is a significant river in the Brazilian state of Piauí, serving as an important waterway for the region’s ecosystems and local communities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.