San Pedro River basin
E912795
The San Pedro River basin is a watershed in southern Chile that collects runoff from Andean volcanoes and surrounding mountains before draining toward the country's lake and river systems.
All labels observed (2)
| Label | Occurrences |
|---|---|
| San Pedro River basin canonical | 1 |
| San Pedro River watershed | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11217538 — 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 Pedro River basin Context triple: [Mocho-Choshuenco, drainage, San Pedro River basin]
-
A.
San Pedro River valley
The San Pedro River valley is an arid yet fertile Andean valley in northern Chile’s Atacama Desert, known for its oasis settlements, pre-Columbian archaeological sites, and dramatic desert landscapes.
-
B.
San Juan River basin
The San Juan River basin is a Central American watershed that drains Lake Nicaragua and surrounding regions through the San Juan River toward the Caribbean Sea.
-
C.
San Pedro River Valley
The San Pedro River Valley is a biologically rich, semi-arid corridor in southeastern Arizona known for its riparian habitats, migratory bird populations, and conservation significance.
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D.
Santa Cruz River basin
The Santa Cruz River basin is the watershed region in southern Arizona and northern Mexico that collects and channels surface and groundwater feeding the Santa Cruz River system.
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E.
Río Conchos basin
The Río Conchos basin is a major river basin in northern Mexico that drains the eastern slopes of the Sierra Tarahumara before flowing into the Rio Grande.
- 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 Pedro River basin Target entity description: The San Pedro River basin is a watershed in southern Chile that collects runoff from Andean volcanoes and surrounding mountains before draining toward the country's lake and river systems.
-
A.
San Pedro River valley
The San Pedro River valley is an arid yet fertile Andean valley in northern Chile’s Atacama Desert, known for its oasis settlements, pre-Columbian archaeological sites, and dramatic desert landscapes.
-
B.
San Juan River basin
The San Juan River basin is a Central American watershed that drains Lake Nicaragua and surrounding regions through the San Juan River toward the Caribbean Sea.
-
C.
San Pedro River Valley
The San Pedro River Valley is a biologically rich, semi-arid corridor in southeastern Arizona known for its riparian habitats, migratory bird populations, and conservation significance.
-
D.
Santa Cruz River basin
The Santa Cruz River basin is the watershed region in southern Arizona and northern Mexico that collects and channels surface and groundwater feeding the Santa Cruz River system.
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E.
Río Conchos basin
The Río Conchos basin is a major river basin in northern Mexico that drains the eastern slopes of the Sierra Tarahumara before flowing into the Rio Grande.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
river basin
ⓘ
watershed ⓘ |
| climateInfluence | Andean climate conditions ⓘ |
| country | Chile ⓘ |
| countrySubdivision |
Republic of Chile
ⓘ
linked to:
Chile
|
| drainageDestination |
Chile lake systems
ⓘ
Chile river systems ⓘ |
| drainageType | fluvial ⓘ |
| drainsFrom |
Andean volcanoes
ⓘ
Andes ⓘ surrounding mountains ⓘ |
| environmentalRole |
connects Andean runoff to downstream lakes
ⓘ
connects Andean runoff to downstream rivers ⓘ |
| geologicalInfluence | volcanic activity ⓘ |
| hasFeature |
mountainous catchment area
ⓘ
volcanic headwaters ⓘ |
| hasProcess |
runoff collection
ⓘ
sediment transport ⓘ surface water drainage ⓘ |
| hydrologicalConnectivity |
downstream lake systems
ⓘ
downstream river systems ⓘ upstream Andean zones ⓘ |
| hydrologicalFunction | collects runoff ⓘ |
| locatedIn | southern Chile ⓘ |
| locatedInMountainSystem |
Andes Mountains
ⓘ
linked to:
Andes
|
| locatedOnContinent | South America ⓘ |
| partOf | Chilean hydrological system ⓘ |
| waterSourceType |
precipitation
ⓘ
snowmelt ⓘ surface runoff ⓘ |
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 Pedro River basin Description of subject: The San Pedro River basin is a watershed in southern Chile that collects runoff from Andean volcanoes and surrounding mountains before draining toward the country's lake and river systems.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: San Pedro River basin