Lempa River
E690146
The Lempa River is the longest and most important river in El Salvador, flowing through Guatemala, Honduras, and El Salvador before reaching the Pacific Ocean and serving as a key source of water, hydroelectric power, and irrigation for the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lempa River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4787873 — 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: Lempa River Context triple: [Acelhuate River basin, emptiesInto, Lempa River]
-
A.
Turakina River
Turakina River is a river in New Zealand’s North Island that flows through the Manawatū-Whanganui region to the South Taranaki Bight.
-
B.
Pasimoni River
The Pasimoni River is a tributary waterway in the Amazon Basin that feeds into the Casiquiare canal, contributing to the natural connection between the Orinoco and Amazon river systems.
-
C.
Adycha River
The Adycha River is a significant river in northeastern Siberia, Russia, known for flowing through remote permafrost regions before joining the Yana River system.
-
D.
Elevala River
The Elevala River is a significant tributary waterway in Papua New Guinea that feeds into the larger Fly River system.
-
E.
Laja River
The Laja River is a significant river in south-central Chile known for its hydroelectric power generation and scenic waterfalls, including the Salto del Laja.
- 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: Lempa River Target entity description: The Lempa River is the longest and most important river in El Salvador, flowing through Guatemala, Honduras, and El Salvador before reaching the Pacific Ocean and serving as a key source of water, hydroelectric power, and irrigation for the region.
-
A.
Turakina River
Turakina River is a river in New Zealand’s North Island that flows through the Manawatū-Whanganui region to the South Taranaki Bight.
-
B.
Pasimoni River
The Pasimoni River is a tributary waterway in the Amazon Basin that feeds into the Casiquiare canal, contributing to the natural connection between the Orinoco and Amazon river systems.
-
C.
Adycha River
The Adycha River is a significant river in northeastern Siberia, Russia, known for flowing through remote permafrost regions before joining the Yana River system.
-
D.
Elevala River
The Elevala River is a significant tributary waterway in Papua New Guinea that feeds into the larger Fly River system.
-
E.
Laja River
The Laja River is a significant river in south-central Chile known for its hydroelectric power generation and scenic waterfalls, including the Salto del Laja.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| alsoKnownAs | Río Lempa NERFINISHED ⓘ |
| basinCountry |
El Salvador
NERFINISHED
ⓘ
Guatemala NERFINISHED ⓘ Honduras NERFINISHED ⓘ |
| continent | North America ⓘ |
| country |
El Salvador
ⓘ
Guatemala ⓘ Honduras ⓘ |
| drainageBasin | Pacific Ocean basin NERFINISHED ⓘ |
| drains |
large areas of El Salvador
ⓘ
parts of Guatemala ⓘ parts of Honduras ⓘ |
| flowsInto | Pacific Ocean NERFINISHED ⓘ |
| flowsThrough |
eastern Guatemala
ⓘ
northern El Salvador ⓘ western Honduras ⓘ |
| formsReservoir | Cerrón Grande Reservoir NERFINISHED ⓘ |
| hasEconomicRole |
agricultural production
ⓘ
electricity production ⓘ water supply for cities ⓘ |
| hasEcosystemType | freshwater ecosystem ⓘ |
| hasHydroelectricDam |
15 de Septiembre Dam
NERFINISHED
ⓘ
5 de Noviembre Dam NERFINISHED ⓘ Cerrón Grande Dam NERFINISHED ⓘ Guajoyo Dam NERFINISHED ⓘ |
| importance |
important for agriculture in its basin
ⓘ
key water resource for El Salvador ⓘ main source of hydroelectric power in El Salvador ⓘ |
| locatedIn | Central America ⓘ |
| longestRiverIn | El Salvador NERFINISHED ⓘ |
| majorRiverOf | El Salvador NERFINISHED ⓘ |
| mouth | Pacific Ocean NERFINISHED ⓘ |
| partOf | hydrological network of Central America ⓘ |
| passesThrough |
El Salvador
NERFINISHED
ⓘ
Guatemala NERFINISHED ⓘ Honduras NERFINISHED ⓘ |
| region | Mesoamerica NERFINISHED ⓘ |
| sourceOf |
drinking water
ⓘ
hydroelectric power ⓘ irrigation water ⓘ |
| supports |
local fisheries
ⓘ
riparian habitats ⓘ |
| usedFor |
fishing
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ transportation ⓘ |
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: Lempa River Description of subject: The Lempa River is the longest and most important river in El Salvador, flowing through Guatemala, Honduras, and El Salvador before reaching the Pacific Ocean and serving as a key source of water, hydroelectric power, and irrigation for the region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.