San Juan River
E481822
The San Juan River is a major river in western Argentina that flows through arid regions, supporting agriculture, irrigation, and hydroelectric power in the province of San Juan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Juan River canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4551015 — 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: San Juan River Context triple: [San Juan (Argentina), irrigationSource, San Juan River]
-
A.
San Juan River
The San Juan River is a major waterway in western Colombia that flows through dense rainforest to the Pacific Ocean, supporting rich biodiversity and local Afro-Colombian and Indigenous communities.
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B.
San Juan River
The San Juan River is a major Central American waterway forming part of the border between Nicaragua and Costa Rica and providing a historic route from the Caribbean Sea toward Lake Nicaragua.
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C.
San Juan River
The San Juan River is a major tributary of the Colorado River that winds through the arid canyons of the Four Corners region in the southwestern United States.
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D.
San Juan River
The San Juan River is a waterway in Metro Manila, Philippines, that flows through several urban areas before joining the Pasig River and plays a role in the city's drainage and flood control system.
-
E.
San Carlos River
The San Carlos River is a tributary waterway in Arizona that flows through the San Carlos Apache Indian Reservation before joining the Gila River.
- 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: San Juan River Target entity description: The San Juan River is a major river in western Argentina that flows through arid regions, supporting agriculture, irrigation, and hydroelectric power in the province of San Juan.
-
A.
San Juan River
The San Juan River is a major Central American waterway forming part of the border between Nicaragua and Costa Rica and providing a historic route from the Caribbean Sea toward Lake Nicaragua.
-
B.
San Juan River
The San Juan River is a major tributary of the Colorado River that winds through the arid canyons of the Four Corners region in the southwestern United States.
-
C.
San Juan River
The San Juan River is a waterway in Metro Manila, Philippines, that flows through several urban areas before joining the Pasig River and plays a role in the city's drainage and flood control system.
-
D.
San Juan River
The San Juan River is a major waterway in western Colombia that flows through dense rainforest to the Pacific Ocean, supporting rich biodiversity and local Afro-Colombian and Indigenous communities.
-
E.
San Carlos River
The San Carlos River is a tributary waterway in Arizona that flows through the San Carlos Apache Indian Reservation before joining the Gila River.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Argentina NERFINISHED ⓘ |
| climateOfBasin | arid ⓘ |
| continent | South America ⓘ |
| country | Argentina ⓘ |
| crosses |
Capital Department (San Juan Province)
NERFINISHED
ⓘ
Pocito Department NERFINISHED ⓘ Rawson Department NERFINISHED ⓘ Ullum Department NERFINISHED ⓘ Zonda Department NERFINISHED ⓘ |
| drainageBasin | endoreic basin of central-western Argentina ⓘ |
| flowsDirection | generally eastward ⓘ |
| flowsThrough |
San Juan Province
NERFINISHED
ⓘ
arid regions ⓘ |
| flowsThroughRegion | Cuyo region NERFINISHED ⓘ |
| hasEconomicImportanceFor | San Juan Province NERFINISHED ⓘ |
| hasFloodRisk | downstream agricultural areas ⓘ |
| hasHydroelectricPlant |
Caracoles Dam
NERFINISHED
ⓘ
Punta Negra Dam NERFINISHED ⓘ Quebrada de Ullum Dam NERFINISHED ⓘ |
| hasNameInLanguage | Río San Juan NERFINISHED ⓘ |
| hasValley | San Juan River Valley NERFINISHED ⓘ |
| influences | oasis-type settlements in San Juan Province ⓘ |
| isMajorRiverOf | San Juan Province NERFINISHED ⓘ |
| isSubjectOf | water management policies in San Juan Province ⓘ |
| languageOfName | Spanish ⓘ |
| locatedIn | western Argentina ⓘ |
| locatedInAdministrativeTerritory | San Juan Province NERFINISHED ⓘ |
| majorWaterResourceFor | San Juan metropolitan area NERFINISHED ⓘ |
| mouthOfWaterBody | Desaguadero River (Argentina) NERFINISHED ⓘ |
| partOf | Desaguadero–Salado–Chadileuvú–Curacó river system NERFINISHED ⓘ |
| sourceLocation | Andes NERFINISHED ⓘ |
| supports |
fruit orchards in San Juan Province
ⓘ
intensive irrigated agriculture ⓘ regional economy ⓘ regional energy production ⓘ vineyards in San Juan Province ⓘ |
| tributaryOf | Desaguadero River (Argentina) NERFINISHED ⓘ |
| usedFor |
agriculture
ⓘ
drinking water supply ⓘ hydroelectric power generation ⓘ irrigation ⓘ recreational activities ⓘ |
| waterManagement | regulated by dams ⓘ |
| waterSource |
Andean snowmelt
ⓘ
glacial meltwater ⓘ |
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: San Juan River Description of subject: The San Juan River is a major river in western Argentina that flows through arid regions, supporting agriculture, irrigation, and hydroelectric power in the province of San Juan.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
San Juan (Argentina)
subject surface form:
Western Argentina