San Fernando River
E485904
The San Fernando River is a waterway flowing through the city of San Fernando in Pampanga, Philippines, serving as a local natural and drainage channel for the surrounding urban and agricultural areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Fernando River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4719394 — 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: San Fernando River Context triple: [San Fernando, Pampanga, hasRiver, San Fernando River]
-
A.
Santa María River
The Santa María River is a significant river in east-central Mexico that contributes major water flow to the Pánuco River system draining toward the Gulf of Mexico.
-
B.
Navarro River
The Navarro River is a coastal river in Northern California that flows through redwood forests and vineyards before emptying into the Pacific Ocean near the town of Navarro in Mendocino County.
-
C.
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.
-
D.
Segura River
The Segura River is a major river in southeastern Spain that flows through several provinces, including Murcia, before emptying into the Mediterranean Sea.
-
E.
San Pedro River
The San Pedro River is a river in the Philippines that drains parts of Laguna and nearby areas before emptying into Laguna de 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: San Fernando River Target entity description: The San Fernando River is a waterway flowing through the city of San Fernando in Pampanga, Philippines, serving as a local natural and drainage channel for the surrounding urban and agricultural areas.
-
A.
Santa María River
The Santa María River is a significant river in east-central Mexico that contributes major water flow to the Pánuco River system draining toward the Gulf of Mexico.
-
B.
Navarro River
The Navarro River is a coastal river in Northern California that flows through redwood forests and vineyards before emptying into the Pacific Ocean near the town of Navarro in Mendocino County.
-
C.
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.
-
D.
Segura River
The Segura River is a major river in southeastern Spain that flows through several provinces, including Murcia, before emptying into the Mediterranean Sea.
-
E.
San Pedro River
The San Pedro River is a river in the Philippines that drains parts of Laguna and nearby areas before emptying into Laguna de Bay.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
waterway ⓘ |
| basinCountry | Philippines NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | Philippines ⓘ |
| environmentType | freshwater ⓘ |
| flowsThrough | City of San Fernando, Pampanga NERFINISHED ⓘ |
| function |
agricultural drainage channel
ⓘ
natural drainage channel ⓘ urban drainage channel ⓘ |
| hasAdjacentLandUse |
agricultural areas
ⓘ
commercial areas ⓘ residential areas ⓘ urban areas ⓘ |
| hydrologicalSystem | local watershed of San Fernando, Pampanga ⓘ |
| locatedIn |
Central Luzon
NERFINISHED
ⓘ
City of San Fernando, Pampanga NERFINISHED ⓘ Luzon ⓘ Pampanga NERFINISHED ⓘ San Fernando river basin ⓘ San Fernando, Pampanga urban area NERFINISHED ⓘ |
| mouthLocation | downstream waterways within Pampanga ⓘ |
| partOf | local river network of Pampanga ⓘ |
| region | Province of Pampanga NERFINISHED ⓘ |
| role |
component of city drainage system
ⓘ
local flood drainage ⓘ |
| usedFor |
local irrigation support
ⓘ
stormwater conveyance ⓘ |
| waterBodyType | surface water ⓘ |
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: San Fernando River Description of subject: The San Fernando River is a waterway flowing through the city of San Fernando in Pampanga, Philippines, serving as a local natural and drainage channel for the surrounding urban and agricultural areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
San Fernando, Pampanga