Alagón River
E515936
The Alagón River is a significant watercourse in western Spain that flows through the regions of Castile and León and Extremadura, supporting agriculture and local ecosystems before joining the Tagus.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alagón River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5249291 — 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: Alagón River Context triple: [Tajo River, majorTributary, Alagón River]
-
A.
Esgueva River
The Esgueva River is a tributary of the Pisuerga River in northwestern Spain that flows through the Province of Valladolid and the Castilian Plateau.
-
B.
Arazas River
The Arazas River is a mountain river in the Spanish Pyrenees that flows through the dramatic Ordesa Valley, forming waterfalls and gorges within Ordesa y Monte Perdido National Park.
-
C.
Alberche River
The Alberche River is a significant river in central Spain that flows through the provinces of Ávila, Madrid, and Toledo before joining the Tagus.
-
D.
Calle-Calle River
The Calle-Calle River is a significant waterway in southern Chile that flows through the city of Valdivia and forms part of the region’s extensive river system.
-
E.
Acesines River
The Acesines River, known today as the Chenab River, is a major river of the northwestern Indian subcontinent that was a key geographic feature during Alexander the Great’s Indian campaign.
- 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: Alagón River Target entity description: The Alagón River is a significant watercourse in western Spain that flows through the regions of Castile and León and Extremadura, supporting agriculture and local ecosystems before joining the Tagus.
-
A.
Esgueva River
The Esgueva River is a tributary of the Pisuerga River in northwestern Spain that flows through the Province of Valladolid and the Castilian Plateau.
-
B.
Arazas River
The Arazas River is a mountain river in the Spanish Pyrenees that flows through the dramatic Ordesa Valley, forming waterfalls and gorges within Ordesa y Monte Perdido National Park.
-
C.
Alberche River
The Alberche River is a significant river in central Spain that flows through the provinces of Ávila, Madrid, and Toledo before joining the Tagus.
-
D.
Calle-Calle River
The Calle-Calle River is a significant waterway in southern Chile that flows through the city of Valdivia and forms part of the region’s extensive river system.
-
E.
Acesines River
The Acesines River, known today as the Chenab River, is a major river of the northwestern Indian subcontinent that was a key geographic feature during Alexander the Great’s Indian campaign.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Spain NERFINISHED ⓘ |
| climateZone | Mediterranean climate ⓘ |
| continent | Europe ⓘ |
| country | Spain ⓘ |
| drainageBasin | Atlantic Ocean NERFINISHED ⓘ |
| ecosystemType | riparian ecosystem ⓘ |
| flowsInto | Alcántara Reservoir NERFINISHED ⓘ |
| flowsThrough |
Castile and León
NERFINISHED
ⓘ
Extremadura NERFINISHED ⓘ province of Cáceres NERFINISHED ⓘ province of Salamanca ⓘ |
| hasDam |
Gabriel y Galán Dam
NERFINISHED
ⓘ
Guijo de Granadilla Dam NERFINISHED ⓘ |
| hasEconomicRole |
regional agriculture
ⓘ
rural development ⓘ |
| hasTributary |
Alagón Chico River
NERFINISHED
ⓘ
Ambroz River NERFINISHED ⓘ Jerte River NERFINISHED ⓘ Árrago River NERFINISHED ⓘ |
| hasUse |
freshwater supply
ⓘ
hydroelectric power ⓘ irrigation ⓘ |
| hasValley | Alagón Valley NERFINISHED ⓘ |
| languageOfToponym | Spanish ⓘ |
| locatedIn |
Iberian Peninsula
ⓘ
western Spain ⓘ |
| mouthCountry | Spain NERFINISHED ⓘ |
| mouthLocatedIn | Tagus River NERFINISHED ⓘ |
| nearbySettlement |
Coria
NERFINISHED
ⓘ
Galisteo NERFINISHED ⓘ Guijo de Granadilla NERFINISHED ⓘ Hervás NERFINISHED ⓘ Montehermoso NERFINISHED ⓘ Plasencia NERFINISHED ⓘ San Esteban de la Sierra NERFINISHED ⓘ |
| partOf |
Tagus River basin
NERFINISHED
ⓘ
hydrographic network of the Tagus ⓘ |
| region |
Castile and León
NERFINISHED
ⓘ
Extremadura NERFINISHED ⓘ |
| supports |
agriculture
ⓘ
local ecosystems ⓘ |
| supportsSpecies |
aquatic birds
ⓘ
freshwater fish ⓘ |
| tributaryOf | Tagus River NERFINISHED ⓘ |
| usedFor |
canoeing
ⓘ
fishing ⓘ recreation ⓘ |
| watercourseType | perennial river ⓘ |
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: Alagón River Description of subject: The Alagón River is a significant watercourse in western Spain that flows through the regions of Castile and León and Extremadura, supporting agriculture and local ecosystems before joining the Tagus.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.