La Mesa Watershed Reservation
E277846
La Mesa Watershed Reservation is a protected forested watershed area in Quezon City, Philippines, that safeguards Metro Manila’s primary drinking water source and hosts the La Mesa Eco Park.
All labels observed (1)
| Label | Occurrences |
|---|---|
| La Mesa Watershed Reservation canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2520352 — 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: La Mesa Watershed Reservation Context triple: [La Mesa Eco Park, partOf, La Mesa Watershed Reservation]
-
A.
Teatown Lake Reservation
Teatown Lake Reservation is a nonprofit nature preserve and environmental education center in Westchester County, New York, known for its extensive trail system, wildlife habitats, and conservation programs.
-
B.
High Rock Reservation
High Rock Reservation is a public park and historic site in Lynn, Massachusetts, known for its scenic views and the prominent High Rock Tower observatory.
-
C.
Hemlock Gorge Reservation
Hemlock Gorge Reservation is a scenic state-owned natural area along the Charles River in Newton, Massachusetts, known for its wooded trails, river views, and historic Echo Bridge.
-
D.
Watchung Reservation
Watchung Reservation is a large nature preserve and public park in Union County, New Jersey, known for its wooded trails, wetlands, and historic sites within the Watchung Mountains.
-
E.
Siamese Ponds Wilderness
Siamese Ponds Wilderness is a remote, forested backcountry area in New York’s Adirondack Park known for its rugged terrain, numerous ponds and streams, and extensive hiking and paddling opportunities.
- 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: La Mesa Watershed Reservation Target entity description: La Mesa Watershed Reservation is a protected forested watershed area in Quezon City, Philippines, that safeguards Metro Manila’s primary drinking water source and hosts the La Mesa Eco Park.
-
A.
Teatown Lake Reservation
Teatown Lake Reservation is a nonprofit nature preserve and environmental education center in Westchester County, New York, known for its extensive trail system, wildlife habitats, and conservation programs.
-
B.
High Rock Reservation
High Rock Reservation is a public park and historic site in Lynn, Massachusetts, known for its scenic views and the prominent High Rock Tower observatory.
-
C.
Hemlock Gorge Reservation
Hemlock Gorge Reservation is a scenic state-owned natural area along the Charles River in Newton, Massachusetts, known for its wooded trails, river views, and historic Echo Bridge.
-
D.
Watchung Reservation
Watchung Reservation is a large nature preserve and public park in Union County, New Jersey, known for its wooded trails, wetlands, and historic sites within the Watchung Mountains.
-
E.
Siamese Ponds Wilderness
Siamese Ponds Wilderness is a remote, forested backcountry area in New York’s Adirondack Park known for its rugged terrain, numerous ponds and streams, and extensive hiking and paddling opportunities.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
forest
ⓘ
nature reserve ⓘ protected area ⓘ watershed ⓘ |
| coManagedBy |
ABS-CBN Foundation
ⓘ
Bantay Kalikasan ⓘ DENR ⓘ Department of Environment and Natural Resources ⓘ Quezon City Government ⓘ
linked to:
Government of Quezon City
|
| conservationActivity |
forest protection
ⓘ
reforestation ⓘ |
| contains |
La Mesa Dam
ⓘ
La Mesa Reservoir ⓘ |
| country | Philippines ⓘ |
| ecosystemType |
secondary forest
ⓘ
watershed forest ⓘ |
| hasFeature |
dam
ⓘ
forest trails ⓘ picnic areas in La Mesa Eco Park ⓘ reservoir ⓘ |
| hasLandUse |
forest conservation
ⓘ
water resource protection ⓘ |
| hasPart | La Mesa Eco Park ⓘ |
| hasTourismSite | La Mesa Eco Park ⓘ |
| hasVegetation | tropical forest ⓘ |
| locatedIn |
Metro Manila
ⓘ
Quezon City ⓘ |
| locatedNear |
Fairview, Quezon City
ⓘ
Novaliches ⓘ |
| locatedOn | Luzon ⓘ |
| manages |
La Mesa watershed
ⓘ
linked to:
La Mesa Watershed
|
| operator |
MWSS
ⓘ
Metropolitan Waterworks and Sewerage System ⓘ |
| partOf | Angat–Ipo–La Mesa water system ⓘ |
| primaryFunction | protection of Metro Manila’s drinking water supply ⓘ |
| protects |
La Mesa Dam
ⓘ
La Mesa Reservoir ⓘ |
| providesService |
drinking water supply for Metro Manila
ⓘ
flood regulation ⓘ recreation and ecotourism ⓘ |
| purpose |
biodiversity conservation
ⓘ
recreation ⓘ watershed protection ⓘ |
| region | National Capital Region ⓘ |
| threat |
illegal logging
ⓘ
informal settlements ⓘ urban encroachment ⓘ |
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: La Mesa Watershed Reservation Description of subject: La Mesa Watershed Reservation is a protected forested watershed area in Quezon City, Philippines, that safeguards Metro Manila’s primary drinking water source and hosts the La Mesa Eco Park.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.