Pisuerga River
E75359
The Pisuerga River is a major river in northwestern Spain that flows through the city of Valladolid and is an important tributary of the Duero River.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Pisuerga River canonical | 24 |
| Esgueva River | 1 |
| Pisuerga | 1 |
| Río Pisuerga | 1 |
| upper Pisuerga | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T601472 — 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: Pisuerga River Context triple: [Valladolid, locatedOnRiver, Pisuerga River]
-
A.
Manzanares River
The Manzanares River is a modest river in central Spain that flows through the city of Madrid and has historically shaped its landscape and development.
-
B.
Guadiana River
The Guadiana River is a major waterway of the Iberian Peninsula that flows through Spain and Portugal, forming part of their border before emptying into the Atlantic Ocean.
-
C.
Guadalquivir River
The Guadalquivir River is one of Spain’s major rivers, flowing through Andalusia and the city of Seville before emptying into the Atlantic Ocean.
-
D.
Ebro River
The Ebro River is one of the longest and most significant rivers in Spain, flowing eastward across the northern Iberian Peninsula to the Mediterranean Sea.
-
E.
Tagus River
The Tagus River is the longest river on the Iberian Peninsula, flowing from central Spain through Portugal to 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: Pisuerga River Target entity description: The Pisuerga River is a major river in northwestern Spain that flows through the city of Valladolid and is an important tributary of the Duero River.
-
A.
Manzanares River
The Manzanares River is a modest river in central Spain that flows through the city of Madrid and has historically shaped its landscape and development.
-
B.
Guadiana River
The Guadiana River is a major waterway of the Iberian Peninsula that flows through Spain and Portugal, forming part of their border before emptying into the Atlantic Ocean.
-
C.
Guadalquivir River
The Guadalquivir River is one of Spain’s major rivers, flowing through Andalusia and the city of Seville before emptying into the Atlantic Ocean.
-
D.
Ebro River
The Ebro River is one of the longest and most significant rivers in Spain, flowing eastward across the northern Iberian Peninsula to the Mediterranean Sea.
-
E.
Tagus River
The Tagus River is the longest river on the Iberian Peninsula, flowing from central Spain through Portugal to the Atlantic Ocean.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| associatedCity | Valladolid ⓘ |
| basinCountry | Spain ⓘ |
| continent | Europe ⓘ |
| country | Spain ⓘ |
| flowsDirection | generally southward ⓘ |
| flowsThrough |
Province of Palencia
ⓘ
Province of Valladolid ⓘ Valladolid ⓘ |
| hasBridge | Puente Mayor (Valladolid) ⓘ |
| hasEconomicImportance |
regional agriculture
ⓘ
urban water management in Valladolid ⓘ |
| hasUse |
irrigation
ⓘ
recreation ⓘ water supply ⓘ |
| isTributaryOf |
Duero River
ⓘ
linked to:
Duero
|
| languageOfName | Spanish ⓘ |
| locatedIn |
Castile and León
ⓘ
northwestern Spain ⓘ
linked to:
northern Spain
|
| majorCityOnRiver | Valladolid ⓘ |
| mouthLocatedIn |
Duero River
ⓘ
linked to:
Duero
|
| nameInSpanish |
Río Pisuerga
ⓘ
linked to:
Pisuerga River
|
| partOf |
Duero River basin
ⓘ
linked to:
Duero Basin
|
| region |
Northern Meseta of Spain
ⓘ
linked to:
Northern Plateau of the Iberian Peninsula
|
| tributaryType | right tributary of the Duero 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: Pisuerga River Description of subject: The Pisuerga River is a major river in northwestern Spain that flows through the city of Valladolid and is an important tributary of the Duero River.
Referenced by (28)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Pisuerga River
linked to: Pisuerga River
Fuentes Carrionas y Fuente Cobre-Montaña Palentina Natural Park
→
containsSourceOf
→
Pisuerga River
ⓘ
subject linked to:
Valladolid, Spain
linked to: Pisuerga River