Lerma River
E402426
The Lerma River is one of central Mexico’s most important rivers, serving as a major water source for agriculture, industry, and urban areas across several states.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lerma River canonical | 4 |
| Río Lerma | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3373031 — 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: Lerma River Context triple: [Estado de México, contains, Lerma River]
-
A.
Guadalimar River
The Guadalimar River is a significant watercourse in southern Spain that flows through the provinces of Jaén and Ciudad Real before joining the Guadalquivir River.
-
B.
Río Almendares
Río Almendares is a major river in Havana, Cuba, known for flowing through the city and forming part of its western boundary before reaching the coast.
-
C.
Río Salamanca
Río Salamanca is a river in Chile that flows through the Coquimbo Region, contributing to the hydrology and agriculture of the Choapa Valley.
-
D.
Vergara River
The Vergara River is a significant watercourse in south-central Chile that serves as one of the main tributaries feeding the Biobío River basin.
-
E.
Río Baluarte
Río Baluarte is a significant river in northwestern Mexico that flows through the state of Sinaloa toward the Pacific coast, contributing to the region’s agriculture and ecology.
- 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: Lerma River Target entity description: The Lerma River is one of central Mexico’s most important rivers, serving as a major water source for agriculture, industry, and urban areas across several states.
-
A.
Guadalimar River
The Guadalimar River is a significant watercourse in southern Spain that flows through the provinces of Jaén and Ciudad Real before joining the Guadalquivir River.
-
B.
Río Almendares
Río Almendares is a major river in Havana, Cuba, known for flowing through the city and forming part of its western boundary before reaching the coast.
-
C.
Río Salamanca
Río Salamanca is a river in Chile that flows through the Coquimbo Region, contributing to the hydrology and agriculture of the Choapa Valley.
-
D.
Vergara River
The Vergara River is a significant watercourse in south-central Chile that serves as one of the main tributaries feeding the Biobío River basin.
-
E.
Río Baluarte
Río Baluarte is a significant river in northwestern Mexico that flows through the state of Sinaloa toward the Pacific coast, contributing to the region’s agriculture and ecology.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| associatedCity |
Celaya
ⓘ
La Piedad ⓘ Lerma ⓘ
surface form:
Lerma de Villada
Salamanca ⓘ Toluca ⓘ |
| basinCountry | Mexico ⓘ |
| basinPopulationRole | supports millions of inhabitants in its basin ⓘ |
| country | Mexico ⓘ |
| drainageBasin | Lerma River basin ⓘ |
| economicRole |
supports industrial activities
ⓘ
supports intensive agriculture ⓘ supports major urban centers ⓘ |
| environmentalIssue |
overexploitation of water resources
ⓘ
water pollution ⓘ |
| feeds | Lake Chapala water levels ⓘ |
| flowsDirection | generally westward ⓘ |
| flowsThrough |
Guanajuato
ⓘ
Jalisco ⓘ Michoacán ⓘ Querétaro ⓘ State of Mexico ⓘ |
| hasInfrastructure |
dams
ⓘ
irrigation canals ⓘ water treatment plants ⓘ |
| hasWatershedUse |
domestic water supply
ⓘ
livestock raising ⓘ |
| importance | one of the most important rivers in central Mexico ⓘ |
| languageOfName | Spanish ⓘ |
| lengthApproxKm | ~750 ⓘ |
| locatedIn | central Mexico ⓘ |
| majorUse |
industrial water supply
ⓘ
irrigation ⓘ urban water supply ⓘ |
| managedBy |
Mexican federal water authorities
ⓘ
state water agencies ⓘ |
| mouth | Lake Chapala ⓘ |
| namedAfter | town of Lerma ⓘ |
| partOf |
Lerma–Santiago–Pacific hydrological region
ⓘ
surface form:
Lerma–Chapala–Santiago hydrological system
|
| region | Mexican Plateau ⓘ |
| regulates | regional hydrology of central Mexico ⓘ |
| sourceRegion |
Almoloya del Río Valley
ⓘ
State of Mexico ⓘ |
| tributaryOf |
Lerma River basin
ⓘ
surface form:
Lerma–Chapala–Santiago river system
|
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: Lerma River Description of subject: The Lerma River is one of central Mexico’s most important rivers, serving as a major water source for agriculture, industry, and urban areas across several states.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Río Lerma
this entity surface form:
Río Lerma