Billings Reservoir
E1016954
Billings Reservoir is a large artificial lake in São Paulo, Brazil, primarily used for water supply, hydroelectric power generation, and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Billings Reservoir canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T12136362 — 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: Billings Reservoir Context triple: [Interlagos district, São Paulo, locatedNear, Billings Reservoir]
-
A.
Buffalo Bill Reservoir
Buffalo Bill Reservoir is a large man-made lake in northwest Wyoming formed by the Buffalo Bill Dam on the Shoshone River, popular for fishing, boating, and outdoor recreation.
-
B.
Stillwater Reservoir
Stillwater Reservoir is a large, remote man-made lake in the western Adirondack Mountains of New York, popular for boating, fishing, and backcountry recreation.
-
C.
Palisade Reservoir
Palisade Reservoir is a man-made lake in central Utah used primarily for irrigation, recreation, and local water storage.
-
D.
Squaw Creek Reservoir
Squaw Creek Reservoir is a man-made lake in Texas primarily known for serving as the cooling water source for the Comanche Peak Nuclear Power Plant.
-
E.
Stampede Reservoir
Stampede Reservoir is a man-made lake in the Sierra Nevada near Truckee, California, primarily used for water storage, flood control, and recreation as part of the Truckee River system.
- 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: Billings Reservoir Target entity description: Billings Reservoir is a large artificial lake in São Paulo, Brazil, primarily used for water supply, hydroelectric power generation, and recreation.
-
A.
Buffalo Bill Reservoir
Buffalo Bill Reservoir is a large man-made lake in northwest Wyoming formed by the Buffalo Bill Dam on the Shoshone River, popular for fishing, boating, and outdoor recreation.
-
B.
Stillwater Reservoir
Stillwater Reservoir is a large, remote man-made lake in the western Adirondack Mountains of New York, popular for boating, fishing, and backcountry recreation.
-
C.
Palisade Reservoir
Palisade Reservoir is a man-made lake in central Utah used primarily for irrigation, recreation, and local water storage.
-
D.
Squaw Creek Reservoir
Squaw Creek Reservoir is a man-made lake in Texas primarily known for serving as the cooling water source for the Comanche Peak Nuclear Power Plant.
-
E.
Stampede Reservoir
Stampede Reservoir is a man-made lake in the Sierra Nevada near Truckee, California, primarily used for water storage, flood control, and recreation as part of the Truckee River system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
reservoir ⓘ |
| basinCountry | Brazil ⓘ |
| country | Brazil ⓘ |
| createdBy | damming of local rivers and streams ⓘ |
| hasEnvironmentalIssue |
eutrophication
ⓘ
solid waste accumulation ⓘ untreated sewage inflow ⓘ water pollution ⓘ |
| hasFunction |
energy generation support for São Paulo
ⓘ
regulation of river flows ⓘ |
| hasStructure |
dams
ⓘ
hydroelectric facilities ⓘ pumping stations ⓘ |
| inflow |
Ribeirão Pires
ⓘ
Rio Grande ⓘ other small tributaries ⓘ |
| locatedIn |
Diadema
ⓘ
Greater São Paulo ⓘ
linked to:
São Paulo metropolitan area
Ribeirão Pires ⓘ Rio Grande da Serra ⓘ Santo André ⓘ São Bernardo do Campo ⓘ São Paulo (city) ⓘ
linked to:
São Paulo
São Paulo state ⓘ
linked to:
state of São Paulo
|
| locatedInHydrologicalRegion | Tietê River basin ⓘ |
| locatedInMetropolitanArea |
São Paulo metropolitan region
ⓘ
linked to:
São Paulo metropolitan area
|
| locatedNear |
Anchieta Highway
ⓘ
linked to:
Rodovia Anchieta
Imigrantes Highway ⓘ Serra do Mar ⓘ
linked to:
Serra do Mar system
|
| managingAuthority |
Companhia de Saneamento Básico do Estado de São Paulo
ⓘ
state of São Paulo ⓘ |
| namedAfter | Billings ⓘ |
| outflow |
Pinheiros River (via pumping and diversion)
ⓘ
linked to:
Pinheiros River
|
| partOf | São Paulo water supply system ⓘ |
| primaryUse |
drinking water supply
ⓘ
flood control ⓘ hydroelectric power generation ⓘ recreation ⓘ |
| region |
Southeast Brazil
ⓘ
linked to:
Southeast Region of Brazil
|
| usedFor |
boating
ⓘ
fishing ⓘ tourism ⓘ urban water supply ⓘ |
| waterBodyType | freshwater reservoir ⓘ |
| waterSourceFor |
São Paulo metropolitan region
ⓘ
linked to:
São Paulo metropolitan area
domestic use ⓘ industrial use ⓘ |
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: Billings Reservoir Description of subject: Billings Reservoir is a large artificial lake in São Paulo, Brazil, primarily used for water supply, hydroelectric power generation, and recreation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.