Chagres River
E220174
The Chagres River is a major river in Panama that plays a crucial role in supplying water to and enabling the operation of the Panama Canal.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Chagres River canonical | 8 |
| Chagres River basin | 1 |
| Chagres River watershed | 1 |
| Río Chagres | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1890660 — 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: Chagres River Context triple: [Gatun Lake, locatedOnRiver, Chagres River]
-
A.
Guayas River
The Guayas River is a major waterway in western Ecuador that flows through the coastal lowlands and the city of Guayaquil before emptying into the Pacific Ocean.
-
B.
Angostura River
The Angostura River is a significant Chilean watercourse that feeds into the Maipo River within the country’s central watershed.
-
C.
Croton River
The Croton River is a river in southeastern New York that flows through Westchester and Putnam counties and is a key source for New York City's Croton water supply system.
-
D.
Guayalejo River
The Guayalejo River is a significant river in northeastern Mexico that drains part of the Sierra Madre Oriental before joining larger waterways on their way to the Gulf of Mexico.
-
E.
Belize River
The Belize River is a major waterway in Belize that flows through the country’s interior to the Caribbean Sea, historically serving as an important route for trade and transport.
- 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: Chagres River Target entity description: The Chagres River is a major river in Panama that plays a crucial role in supplying water to and enabling the operation of the Panama Canal.
-
A.
Guayas River
The Guayas River is a major waterway in western Ecuador that flows through the coastal lowlands and the city of Guayaquil before emptying into the Pacific Ocean.
-
B.
Angostura River
The Angostura River is a significant Chilean watercourse that feeds into the Maipo River within the country’s central watershed.
-
C.
Croton River
The Croton River is a river in southeastern New York that flows through Westchester and Putnam counties and is a key source for New York City's Croton water supply system.
-
D.
Guayalejo River
The Guayalejo River is a significant river in northeastern Mexico that drains part of the Sierra Madre Oriental before joining larger waterways on their way to the Gulf of Mexico.
-
E.
Belize River
The Belize River is a major waterway in Belize that flows through the country’s interior to the Caribbean Sea, historically serving as an important route for trade and transport.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| alsoKnownAs |
Chagres River
ⓘ
surface form:
Río Chagres
|
| basinCountry | Panama ⓘ |
| country | Panama ⓘ |
| drainageBasin |
Caribbean Sea
ⓘ
surface form:
Caribbean Sea basin
|
| ecosystemType | tropical rainforest river ⓘ |
| flowsInto | Caribbean Sea ⓘ |
| hasDam |
Gatun Dam
ⓘ
Madden Dam ⓘ |
| hasReservoir |
Alajuela Lake
ⓘ
Gatun Lake ⓘ |
| hasTributary |
Boquerón River
ⓘ
Indio River ⓘ Pequeñí River NERFINISHED ⓘ |
| historicalImportanceFor |
Spanish colonial trade routes
ⓘ
trans-Isthmian transportation ⓘ |
| importance |
key water source for Panama City region
ⓘ
primary freshwater source for Panama Canal locks ⓘ strategic waterway since colonial era ⓘ |
| lengthApprox | 193 kilometers ⓘ |
| locatedIn |
Central America
ⓘ
Colón Province ⓘ Panama Canal watershed ⓘ Panamá Province ⓘ |
| majorRoleIn | Panama Canal operation ⓘ |
| mouth | Caribbean Sea ⓘ |
| partOf |
Panama Canal watershed
ⓘ
surface form:
Panama Canal basin
|
| passesThrough | Chagres National Park ⓘ |
| protectedBy | Chagres National Park ⓘ |
| region | Isthmus of Panama ⓘ |
| regulates |
water levels in Alajuela Lake
ⓘ
water levels in Gatun Lake ⓘ |
| sourceLocation | Cordillera Central ⓘ |
| suppliesWaterTo |
Alajuela Lake
ⓘ
Gatun Lake ⓘ Panama Canal ⓘ |
| threatenedBy |
deforestation in watershed
ⓘ
sedimentation ⓘ water pollution ⓘ |
| usedFor |
drinking water supply
ⓘ
ecotourism ⓘ hydroelectric power generation ⓘ irrigation ⓘ navigation ⓘ rafting ⓘ recreational fishing ⓘ |
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: Chagres River Description of subject: The Chagres River is a major river in Panama that plays a crucial role in supplying water to and enabling the operation of the Panama Canal.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Río Chagres
this entity surface form:
Chagres River basin
this entity surface form:
Chagres River watershed