Metro Manila drainage system
E1080238
UNEXPLORED
The Metro Manila drainage system is the network of rivers, canals, esteros, and engineered waterways that channels stormwater and wastewater across the National Capital Region to reduce flooding and manage urban runoff.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Manila drainage and canal system | 1 |
| Manila estero network | 1 |
| Metro Manila drainage system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T14090282 — 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: Metro Manila drainage system Context triple: [San Juan River (Metro Manila), partOf, Metro Manila drainage system]
-
A.
Angat–Ipo–La Mesa water system
The Angat–Ipo–La Mesa water system is a major integrated water supply network in the Philippines that sources, stores, and conveys water from the Angat and Ipo dams to the La Mesa watershed and treatment facilities serving Metro Manila.
-
B.
Marikina Valley
Marikina Valley is a low-lying alluvial valley in the eastern part of Metro Manila, Philippines, known for its dense urban communities and susceptibility to flooding from the Marikina River.
-
C.
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.
-
D.
Metropolitan Waterworks and Sewerage System
The Metropolitan Waterworks and Sewerage System is a Philippine government agency responsible for providing and regulating water supply and sewerage services in Metro Manila and nearby areas.
-
E.
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.
- 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: Metro Manila drainage system Target entity description: The Metro Manila drainage system is the network of rivers, canals, esteros, and engineered waterways that channels stormwater and wastewater across the National Capital Region to reduce flooding and manage urban runoff.
-
A.
Angat–Ipo–La Mesa water system
The Angat–Ipo–La Mesa water system is a major integrated water supply network in the Philippines that sources, stores, and conveys water from the Angat and Ipo dams to the La Mesa watershed and treatment facilities serving Metro Manila.
-
B.
Marikina Valley
Marikina Valley is a low-lying alluvial valley in the eastern part of Metro Manila, Philippines, known for its dense urban communities and susceptibility to flooding from the Marikina River.
-
C.
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.
-
D.
Metropolitan Waterworks and Sewerage System
The Metropolitan Waterworks and Sewerage System is a Philippine government agency responsible for providing and regulating water supply and sewerage services in Metro Manila and nearby areas.
-
E.
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.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
San Juan River
linked to: Metro Manila drainage system
linked to: Metro Manila drainage system