Gatun Dam
E215212
Gatun Dam is a large earth-fill dam in Panama that created Gatun Lake and plays a crucial role in the operation of the Panama Canal.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Gatun Dam canonical | 4 |
| Gatun hydroelectric plant | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1890659 — 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: Gatun Dam Context triple: [Gatun Lake, formedBy, Gatun Dam]
-
A.
Gatun Lake
Gatun Lake is a large artificial freshwater lake in central Panama that forms a major part of the Panama Canal’s shipping route across the Isthmus of Panama.
-
B.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
C.
El Quimbo Dam
El Quimbo Dam is a large hydroelectric dam on the Magdalena River in Colombia, built to generate power and support the country’s energy supply.
-
D.
Salto Grande Dam
Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
-
E.
Nickajack Dam
Nickajack Dam is a hydroelectric and navigation dam on the Tennessee River in southeastern Tennessee, forming Nickajack Lake and helping control flooding and support regional power generation.
- 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: Gatun Dam Target entity description: Gatun Dam is a large earth-fill dam in Panama that created Gatun Lake and plays a crucial role in the operation of the Panama Canal.
-
A.
Gatun Lake
Gatun Lake is a large artificial freshwater lake in central Panama that forms a major part of the Panama Canal’s shipping route across the Isthmus of Panama.
-
B.
Angostura Dam
Angostura Dam is a hydroelectric power facility located on Chile’s Biobío River, contributing to the country’s renewable energy generation.
-
C.
El Quimbo Dam
El Quimbo Dam is a large hydroelectric dam on the Magdalena River in Colombia, built to generate power and support the country’s energy supply.
-
D.
Salto Grande Dam
Salto Grande Dam is a large hydroelectric dam and binational power station on the Uruguay River, jointly operated by Argentina and Uruguay.
-
E.
Nickajack Dam
Nickajack Dam is a hydroelectric and navigation dam on the Tennessee River in southeastern Tennessee, forming Nickajack Lake and helping control flooding and support regional power generation.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
earth-fill dam
ⓘ
hydroelectric dam ⓘ infrastructure project ⓘ |
| affects | local ecosystems around Gatun Lake ⓘ |
| associatedWithProject | Panama Canal construction ⓘ |
| builtBy |
United States
ⓘ
linked to:
United States of America
|
| constructionMethod | earth-fill embankment ⓘ |
| constructionStartDate | 1907 ⓘ |
| continent | North America ⓘ |
| country | Panama ⓘ |
| created | Gatun Lake ⓘ |
| crosses | Chagres River ⓘ |
| elevationAboveSeaLevel | about 26 metres ⓘ |
| engineeringDiscipline | civil engineering ⓘ |
| function | regulates water level of Gatun Lake ⓘ |
| governingBody | Panama Canal Authority ⓘ |
| hasImpactOn |
Panama Canal water supply
ⓘ
navigation through Panama Canal ⓘ |
| hasPowerPlant |
Gatun hydroelectric plant
ⓘ
linked to:
Gatun Dam
|
| hasReservoir | Gatun Lake ⓘ |
| hasSpillway | Gatun Dam spillway ⓘ |
| historicalPeriod | early 20th century ⓘ |
| locatedBetween |
Atlantic Ocean
ⓘ
Gatun Lake ⓘ |
| locatedIn | Colón Province ⓘ |
| locatedInBasin |
Chagres River basin
ⓘ
linked to:
Chagres River
|
| locatedNear |
Gatún
ⓘ
linked to:
Gatun Lake
|
| locatedOnRiver | Chagres River ⓘ |
| material |
concrete
ⓘ
earth ⓘ rock ⓘ |
| namedAfter |
Gatún
ⓘ
linked to:
Gatun Lake
|
| nearbyInfrastructure | Panama Canal Atlantic entrance ⓘ |
| openingDate | 1913 ⓘ |
| operator | Panama Canal Authority ⓘ |
| partOf | Panama Canal ⓘ |
| purpose |
Panama Canal operation
ⓘ
linked to:
Panama Canal
flood control ⓘ hydroelectric power generation ⓘ water storage ⓘ |
| relatedTo | Gatun Locks ⓘ |
| reservoirType | artificial lake ⓘ |
| significance | key component of original Panama Canal design ⓘ |
| status | operational ⓘ |
| usedFor | electricity supply to canal operations ⓘ |
| wasOneOf | largest earth dams in the world at completion ⓘ |
| waterSource | tropical rainfall in Panama ⓘ |
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: Gatun Dam Description of subject: Gatun Dam is a large earth-fill dam in Panama that created Gatun Lake and plays a crucial role in the operation of the Panama Canal.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Gatun Dam