Tua
E779455
The Tua is a river in northeastern Portugal known for flowing through rugged valleys before joining the Douro River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tua canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T9108166 — 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: Tua Context triple: [Duero, tributary, Tua]
-
A.
Tui
Tui is a historic town in northwestern Spain’s Galicia region, known for its medieval architecture and strategic location on the border with Portugal.
-
B.
Mata-Utu
Mata-Utu is the main town and administrative center of the French overseas collectivity of Wallis and Futuna in the South Pacific.
-
C.
Tairua
Tairua is a small coastal town and popular holiday destination on New Zealand’s Coromandel Peninsula, known for its beaches, fishing, and scenic views of nearby offshore islands.
-
D.
Tū
Tū is a major Polynesian war and hunting god, particularly revered in Māori tradition as a powerful ancestral figure and guardian of warriors.
-
E.
Navua
Navua is a small town on the southern coast of Fiji’s main island, Viti Levu, known for its river, surrounding rainforest, and adventure tourism 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: Tua Target entity description: The Tua is a river in northeastern Portugal known for flowing through rugged valleys before joining the Douro River.
-
A.
Tui
Tui is a historic town in northwestern Spain’s Galicia region, known for its medieval architecture and strategic location on the border with Portugal.
-
B.
Mata-Utu
Mata-Utu is the main town and administrative center of the French overseas collectivity of Wallis and Futuna in the South Pacific.
-
C.
Tairua
Tairua is a small coastal town and popular holiday destination on New Zealand’s Coromandel Peninsula, known for its beaches, fishing, and scenic views of nearby offshore islands.
-
D.
Tū
Tū is a major Polynesian war and hunting god, particularly revered in Māori tradition as a powerful ancestral figure and guardian of warriors.
-
E.
Navua
Navua is a small town on the southern coast of Fiji’s main island, Viti Levu, known for its river, surrounding rainforest, and adventure tourism activities.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Portugal ⓘ |
| country | Portugal ⓘ |
| flowsThrough |
Tua Valley
ⓘ
district of Bragança ⓘ district of Vila Real ⓘ |
| hasConfluenceNear |
Foz Tua
ⓘ
linked to:
Foz
|
| hasEcosystemType | riverine ecosystem ⓘ |
| hasInfrastructure | Tua Dam ⓘ |
| hasRailwayAlong |
Linha do Tua (Tua railway line)
ⓘ
linked to:
Linha do Tua (partly closed)
|
| hasValley | Tua Valley ⓘ |
| knownFor |
rugged valleys
ⓘ
scenic landscapes ⓘ |
| languageOfToponym | Portuguese ⓘ |
| locatedIn |
Trás-os-Montes region
ⓘ
linked to:
Trás-os-Montes e Alto Douro
northeastern Portugal ⓘ |
| locatedOnContinent | Europe ⓘ |
| mouthCountry | Portugal ⓘ |
| mouthLocation | Douro River ⓘ |
| partOf |
Douro wine region (broader area)
ⓘ
linked to:
Douro Demarcated Region
|
| riverSystem |
Douro River basin
ⓘ
linked to:
Douro basin
|
| tributaryOf | Douro River ⓘ |
| usedFor |
hydroelectric power generation
ⓘ
irrigation ⓘ recreation ⓘ |
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: Tua Description of subject: The Tua is a river in northeastern Portugal known for flowing through rugged valleys before joining the Douro River.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.