Pampanga River
E99106
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.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Pampanga River canonical | 18 |
| Pampanga River basin | 6 |
| Upper Pampanga River Integrated Irrigation System | 2 |
| Pampanga River Basin | 1 |
| Pampanga River delta | 1 |
| Pampanga River system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T800900 — 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: Pampanga River Context triple: [Luzon, hasRiver, Pampanga River]
-
A.
Cagayan River
The Cagayan River is the longest and largest river in the Philippines, flowing through the northeastern part of Luzon and serving as a vital waterway for agriculture, transport, and fisheries.
-
B.
Pasig River
The Pasig River is a historically significant waterway in the Philippines that flows through Metro Manila, linking Laguna de Bay to Manila Bay and serving as a central feature of the capital’s urban landscape.
-
C.
Cagayan Valley
Cagayan Valley is a predominantly agricultural region in northeastern Luzon, Philippines, known for its vast river systems, fertile plains, and diverse ethnolinguistic communities.
-
D.
Banjar River
The Banjar River is a significant tributary in central India that feeds into the Narmada River system.
-
E.
San Tomas Aquino Creek
San Tomas Aquino Creek is a small urban waterway in Santa Clara County, California, that flows through several cities in Silicon Valley before emptying into the southern end of San Francisco 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: Pampanga River Target entity description: 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.
-
A.
Cagayan River
The Cagayan River is the longest and largest river in the Philippines, flowing through the northeastern part of Luzon and serving as a vital waterway for agriculture, transport, and fisheries.
-
B.
Pasig River
The Pasig River is a historically significant waterway in the Philippines that flows through Metro Manila, linking Laguna de Bay to Manila Bay and serving as a central feature of the capital’s urban landscape.
-
C.
Cagayan Valley
Cagayan Valley is a predominantly agricultural region in northeastern Luzon, Philippines, known for its vast river systems, fertile plains, and diverse ethnolinguistic communities.
-
D.
Banjar River
The Banjar River is a significant tributary in central India that feeds into the Narmada River system.
-
E.
San Tomas Aquino Creek
San Tomas Aquino Creek is a small urban waterway in Santa Clara County, California, that flows through several cities in Silicon Valley before emptying into the southern end of San Francisco Bay.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
river system ⓘ |
| associatedWith |
Bulacan
ⓘ
surface form:
Bulacan province
Nueva Ecija ⓘ
surface form:
Nueva Ecija province
Pampanga ⓘ
surface form:
Pampanga province
Tarlac ⓘ
surface form:
Tarlac province
|
| basinCountry | Philippines ⓘ |
| continent | Asia ⓘ |
| country | Philippines ⓘ |
| drainageBasin |
Luzon Central Plain
ⓘ
surface form:
Central Luzon plain
|
| drains | much of central Luzon ⓘ |
| emptiesInto | Manila Bay ⓘ |
| flowsThrough |
Bulacan
ⓘ
Nueva Ecija ⓘ Pampanga ⓘ Tarlac ⓘ |
| hasDelta | Pampanga River delta ⓘ |
| hasEconomicRole |
supports extensive agriculture
ⓘ
supports local livelihoods ⓘ |
| hasFloodplain | Pampanga River floodplain ⓘ |
| hasHydrologicalRole | main drainage of Central Luzon plain ⓘ |
| knownFor | frequent flooding ⓘ |
| languageOfToponym |
Kapampangan
ⓘ
Tagalog ⓘ |
| locatedIn |
Central Luzon
ⓘ
Luzon ⓘ Region III ⓘ island of Luzon ⓘ |
| majorRiverOf | Luzon ⓘ |
| mouthLocation | Manila Bay ⓘ |
| partOf |
Pampanga River
self-linksurface differs
ⓘ
surface form:
Pampanga River Basin
Philippine river network ⓘ |
| region | Central Luzon ⓘ |
| risk | seasonal flooding ⓘ |
| supports |
agriculture
ⓘ
fishing ⓘ irrigation ⓘ riverine communities ⓘ |
| tributary |
Angat
ⓘ
surface form:
Angat River
Coronel River ⓘ Pantabangan River ⓘ Peñaranda River ⓘ Rio Chico ⓘ Talavera River ⓘ |
| usedFor |
domestic water supply
ⓘ
inland fisheries ⓘ irrigation of rice fields ⓘ |
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: Pampanga River Description of subject: 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.
Referenced by (29)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pampanga River Basin
this entity surface form:
Pampanga River basin
this entity surface form:
Pampanga River basin
this entity surface form:
Pampanga River basin
this entity surface form:
Pampanga River system
this entity surface form:
Pampanga River delta
this entity surface form:
Pampanga River basin
this entity surface form:
Upper Pampanga River Integrated Irrigation System
this entity surface form:
Pampanga River basin
this entity surface form:
Upper Pampanga River Integrated Irrigation System
this entity surface form:
Pampanga River basin