Usumacinta–Grijalva river system
E490381
The Usumacinta–Grijalva river system is a major interconnected river basin in southeastern Mexico and parts of Guatemala, known for its high discharge, rich biodiversity, and importance to regional ecosystems and human settlements.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Grijalva–Usumacinta basin | 4 |
| Grijalva–Usumacinta river system | 2 |
| Grijalva–Usumacinta Basin | 1 |
| Grijalva–Usumacinta river basin | 1 |
| Usumacinta–Grijalva river system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5063746 — 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: Usumacinta–Grijalva river system Context triple: [Grijalva River, partOf, Usumacinta–Grijalva river system]
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A.
Río Fuerte–Mayo–Yaqui system
The Río Fuerte–Mayo–Yaqui system is a network of major rivers in northwestern Mexico that drains the Sierra Madre Occidental and supports extensive irrigation and agriculture before emptying into the Gulf of California.
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B.
Grijalva River
The Grijalva River is a major river in southeastern Mexico that flows through the states of Chiapas and Tabasco, supporting hydroelectric power generation and agriculture before emptying into the Gulf of Mexico.
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C.
Río Yaqui
Río Yaqui is one of the major rivers in northwestern Mexico, flowing through the state of Sonora and supporting extensive agricultural regions before reaching the sea.
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D.
Zapote River
The Zapote River is a waterway in the southern part of Metro Manila and Cavite in the Philippines, historically known as the site of the Battle of Zapote River during the Philippine Revolution and the Philippine–American War.
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E.
San Carlos River
The San Carlos River is a tributary waterway in Arizona that flows through the San Carlos Apache Indian Reservation before joining 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: Usumacinta–Grijalva river system Target entity description: The Usumacinta–Grijalva river system is a major interconnected river basin in southeastern Mexico and parts of Guatemala, known for its high discharge, rich biodiversity, and importance to regional ecosystems and human settlements.
-
A.
Río Fuerte–Mayo–Yaqui system
The Río Fuerte–Mayo–Yaqui system is a network of major rivers in northwestern Mexico that drains the Sierra Madre Occidental and supports extensive irrigation and agriculture before emptying into the Gulf of California.
-
B.
Grijalva River
The Grijalva River is a major river in southeastern Mexico that flows through the states of Chiapas and Tabasco, supporting hydroelectric power generation and agriculture before emptying into the Gulf of Mexico.
-
C.
Río Yaqui
Río Yaqui is one of the major rivers in northwestern Mexico, flowing through the state of Sonora and supporting extensive agricultural regions before reaching the sea.
-
D.
Zapote River
The Zapote River is a waterway in the southern part of Metro Manila and Cavite in the Philippines, historically known as the site of the Battle of Zapote River during the Philippine Revolution and the Philippine–American War.
-
E.
San Carlos River
The San Carlos River is a tributary waterway in Arizona that flows through the San Carlos Apache Indian Reservation before joining the Gila River.
- F. None of above. chosen
Statements (49)
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: Usumacinta–Grijalva river system Description of subject: The Usumacinta–Grijalva river system is a major interconnected river basin in southeastern Mexico and parts of Guatemala, known for its high discharge, rich biodiversity, and importance to regional ecosystems and human settlements.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Usumacinta–Grijalva river system
linked to: Usumacinta–Grijalva river system
linked to: Usumacinta–Grijalva river system
linked to: Usumacinta–Grijalva river system
linked to: Usumacinta–Grijalva river system
linked to: Usumacinta–Grijalva river system
linked to: Usumacinta–Grijalva river system
linked to: Usumacinta–Grijalva river system