Malpaso Dam
E493441
Malpaso Dam is a major hydroelectric dam in Chiapas, Mexico, forming one of the country’s largest reservoirs and playing a key role in national power generation and flood control.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Malpaso Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5063758 — 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: Malpaso Dam Context triple: [Grijalva River, hasHydroelectricDam, Malpaso Dam]
-
A.
Macagua Dam
Macagua Dam is a major hydroelectric dam complex in Venezuela that forms part of the Guri–Macagua–Caruachi system generating power from the Caroní River.
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B.
Ambuklao Dam
Ambuklao Dam is a major hydroelectric and flood-control dam in Benguet, Philippines, known as one of the country’s earliest large-scale hydropower projects.
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C.
Pangue Dam
Pangue Dam is a major hydroelectric power facility in Chile, built on the Biobío River to generate electricity and support the country’s energy needs.
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D.
San Roque Dam
San Roque Dam is one of the largest dams in the Philippines, serving as a major source of hydroelectric power, irrigation, and flood control in the Luzon region.
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E.
San Carlos Dam
San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along 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: Malpaso Dam Target entity description: Malpaso Dam is a major hydroelectric dam in Chiapas, Mexico, forming one of the country’s largest reservoirs and playing a key role in national power generation and flood control.
-
A.
Macagua Dam
Macagua Dam is a major hydroelectric dam complex in Venezuela that forms part of the Guri–Macagua–Caruachi system generating power from the Caroní River.
-
B.
Ambuklao Dam
Ambuklao Dam is a major hydroelectric and flood-control dam in Benguet, Philippines, known as one of the country’s earliest large-scale hydropower projects.
-
C.
Pangue Dam
Pangue Dam is a major hydroelectric power facility in Chile, built on the Biobío River to generate electricity and support the country’s energy needs.
-
D.
San Roque Dam
San Roque Dam is one of the largest dams in the Philippines, serving as a major source of hydroelectric power, irrigation, and flood control in the Luzon region.
-
E.
San Carlos Dam
San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along the Gila River.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| affects | downstream communities along Grijalva River ⓘ |
| alsoKnownAs |
Nezahualcóyotl Dam
NERFINISHED
ⓘ
Presa Malpaso NERFINISHED ⓘ Presa Netzahualcóyotl NERFINISHED ⓘ |
| basinCountry | Mexico NERFINISHED ⓘ |
| category |
Buildings and structures in Chiapas
ⓘ
Dams in Mexico ⓘ Hydroelectric power stations in Mexico ⓘ |
| connectsTo | Mexico national transmission network NERFINISHED ⓘ |
| constructionStart | 1959 ⓘ |
| country | Mexico ⓘ |
| formsReservoir |
Malpaso Reservoir
NERFINISHED
ⓘ
Nezahualcóyotl Reservoir NERFINISHED ⓘ |
| hasEnvironmentalEffect |
alteration of local aquatic ecosystems
ⓘ
creation of large artificial lake ⓘ |
| hasFunction | regulation of Grijalva River flows ⓘ |
| hasImpact |
reduction of downstream flooding
ⓘ
significant role in Mexico national power grid ⓘ |
| hasRole | strategic infrastructure for energy security in Mexico ⓘ |
| hasSignificance |
key hydroelectric facility in southern Mexico
ⓘ
major contributor to national electricity generation ⓘ |
| hasSpillway | controlled spillway ⓘ |
| hasType | concrete gravity dam ⓘ |
| hasUse | peak electricity demand management ⓘ |
| isLocatedIn | southern Mexico NERFINISHED ⓘ |
| isOneOf | largest reservoirs in Mexico ⓘ |
| isPartOf | Mexico national hydroelectric infrastructure ⓘ |
| locatedIn | Chiapas NERFINISHED ⓘ |
| locatedInCountrySubdivision | State of Chiapas NERFINISHED ⓘ |
| locatedInHydrologicalBasin | Grijalva–Usumacinta basin NERFINISHED ⓘ |
| locatedInRegion | Soconusco and Grijalva basin region ⓘ |
| locatedNear | Tecpatán, Chiapas NERFINISHED ⓘ |
| locatedOnRiver | Grijalva River NERFINISHED ⓘ |
| openingDate | 1964 ⓘ |
| operator | Comisión Federal de Electricidad NERFINISHED ⓘ |
| ownedBy | Comisión Federal de Electricidad NERFINISHED ⓘ |
| partOf | Grijalva River hydroelectric system NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ water storage ⓘ |
| usedFor |
irrigation support downstream
ⓘ
navigation improvement downstream ⓘ |
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: Malpaso Dam Description of subject: Malpaso Dam is a major hydroelectric dam in Chiapas, Mexico, forming one of the country’s largest reservoirs and playing a key role in national power generation and flood control.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.