Magat River
E445058
Magat River is a major river in the northern Philippines known for the Magat Dam, one of the country’s largest hydroelectric and irrigation projects.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Magat River canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4335204 — 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: Magat River Context triple: [Cagayan River, tributary, Magat River]
-
A.
Pampanga River
The Pampanga River is a major river system in the Philippines that drains much of central Luzon, supporting extensive agriculture and communities along its floodplain.
-
B.
Bicol River
The Bicol River is a major river system in the Bicol Region of the Philippines, known for its extensive floodplain and importance to local agriculture and settlements.
-
C.
Pagsanjan River
The Pagsanjan River is a river in the province of Laguna, Philippines, best known for its scenic gorge and the popular Pagsanjan Falls boat-ride attraction.
-
D.
Marikina River
Marikina River is a major waterway in Metro Manila, Philippines, known for flowing through the city of Marikina and frequently causing floods in surrounding urban areas.
-
E.
Meycauayan River
Meycauayan River is a heavily polluted river in Bulacan, Philippines, known for flowing through industrial and residential areas before emptying into Manila Bay.
- 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: Magat River Target entity description: Magat River is a major river in the northern Philippines known for the Magat Dam, one of the country’s largest hydroelectric and irrigation projects.
-
A.
Pampanga River
The Pampanga River is a major river system in the Philippines that drains much of central Luzon, supporting extensive agriculture and communities along its floodplain.
-
B.
Bicol River
The Bicol River is a major river system in the Bicol Region of the Philippines, known for its extensive floodplain and importance to local agriculture and settlements.
-
C.
Pagsanjan River
The Pagsanjan River is a river in the province of Laguna, Philippines, best known for its scenic gorge and the popular Pagsanjan Falls boat-ride attraction.
-
D.
Marikina River
Marikina River is a major waterway in Metro Manila, Philippines, known for flowing through the city of Marikina and frequently causing floods in surrounding urban areas.
-
E.
Meycauayan River
Meycauayan River is a heavily polluted river in Bulacan, Philippines, known for flowing through industrial and residential areas before emptying into Manila Bay.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Philippines NERFINISHED ⓘ |
| country | Philippines ⓘ |
| drainageBasin | Cagayan Valley region NERFINISHED ⓘ |
| flowsThrough |
Ifugao
NERFINISHED
ⓘ
Isabela NERFINISHED ⓘ Nueva Vizcaya NERFINISHED ⓘ Quirino NERFINISHED ⓘ |
| hasBridge | Magat Bridge NERFINISHED ⓘ |
| hasDam | Magat Dam NERFINISHED ⓘ |
| hasEconomicActivity | agriculture ⓘ |
| hasHydrologicalStructure | Magat Dam NERFINISHED ⓘ |
| hasHydropowerPlant | Magat Hydroelectric Power Plant NERFINISHED ⓘ |
| hasProject | Magat River Integrated Irrigation System NERFINISHED ⓘ |
| hasReservoir | Magat Reservoir NERFINISHED ⓘ |
| importance |
major source of hydroelectric power in Northern Luzon
ⓘ
major source of irrigation water in Cagayan Valley ⓘ |
| knownFor | Magat Dam NERFINISHED ⓘ |
| locatedIn |
Luzon
ⓘ
Northern Luzon NERFINISHED ⓘ Province of Ifugao NERFINISHED ⓘ Province of Isabela NERFINISHED ⓘ Province of Nueva Vizcaya NERFINISHED ⓘ Province of Quirino NERFINISHED ⓘ |
| majorRiverIn | Northern Philippines NERFINISHED ⓘ |
| managedBy | National Irrigation Administration of the Philippines NERFINISHED ⓘ |
| mouthLocation | Cagayan River NERFINISHED ⓘ |
| partOf | Cagayan River Basin NERFINISHED ⓘ |
| region |
Cagayan Valley
NERFINISHED
ⓘ
Cordillera Administrative Region NERFINISHED ⓘ |
| sourceLocation |
Caraballo Mountains
NERFINISHED
ⓘ
Nueva Vizcaya NERFINISHED ⓘ |
| supports |
aquaculture
ⓘ
corn farming ⓘ rice farming ⓘ |
| tributaryOf | Cagayan River NERFINISHED ⓘ |
| use |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ water supply ⓘ |
| watercourseThrough |
Aguinaldo, Ifugao
NERFINISHED
ⓘ
Alfonso Lista, Ifugao NERFINISHED ⓘ Bambang, Nueva Vizcaya NERFINISHED ⓘ Bayombong, Nueva Vizcaya NERFINISHED ⓘ Ramon, Isabela NERFINISHED ⓘ |
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: Magat River Description of subject: Magat River is a major river in the northern Philippines known for the Magat Dam, one of the country’s largest hydroelectric and irrigation projects.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.