Cidra Reservoir
E815571
Cidra Reservoir is an artificial lake in the municipality of Cidra, Puerto Rico, primarily used for potable water supply and recreational activities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cidra Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9688920 — 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: Cidra Reservoir Context triple: [Cidra, hasBodyOfWater, Cidra Reservoir]
-
A.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
-
B.
Canistear Reservoir
Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
-
C.
Vasona Reservoir
Vasona Reservoir is a man-made lake in Los Gatos, California, popular for recreation such as boating, fishing, and picnicking within Vasona Lake County Park.
-
D.
Fengman Reservoir
Fengman Reservoir is a major artificial lake and hydroelectric reservoir on the upper Songhua River in Jilin Province, China, known for its role in power generation, flood control, and regional water supply.
-
E.
Yellowtail Reservoir
Yellowtail Reservoir is a man-made lake on the Bighorn River in Montana, created by Yellowtail Dam and used primarily for water storage, hydroelectric power, and recreation.
- 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: Cidra Reservoir Target entity description: Cidra Reservoir is an artificial lake in the municipality of Cidra, Puerto Rico, primarily used for potable water supply and recreational activities.
-
A.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
-
B.
Canistear Reservoir
Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
-
C.
Vasona Reservoir
Vasona Reservoir is a man-made lake in Los Gatos, California, popular for recreation such as boating, fishing, and picnicking within Vasona Lake County Park.
-
D.
Fengman Reservoir
Fengman Reservoir is a major artificial lake and hydroelectric reservoir on the upper Songhua River in Jilin Province, China, known for its role in power generation, flood control, and regional water supply.
-
E.
Yellowtail Reservoir
Yellowtail Reservoir is a man-made lake on the Bighorn River in Montana, created by Yellowtail Dam and used primarily for water storage, hydroelectric power, and recreation.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry | Puerto Rico NERFINISHED ⓘ |
| continent | North America ⓘ |
| country | Puerto Rico ⓘ |
| hasFunction |
public water supply
ⓘ
recreational resource ⓘ |
| hasLanguageOfSurroundingCommunity | Spanish ⓘ |
| hasRecreationalActivity |
kayaking
ⓘ
small craft boating ⓘ sport fishing ⓘ |
| hasSecondaryLanguageOfSurroundingCommunity | English ⓘ |
| hasShoreline | Cidra NERFINISHED ⓘ |
| isArtificial | true ⓘ |
| jurisdiction | Government of Puerto Rico NERFINISHED ⓘ |
| locatedIn | Cidra, Puerto Rico NERFINISHED ⓘ |
| locatedInAdministrativeTerritory | Municipality of Cidra NERFINISHED ⓘ |
| locatedInMunicipality | Cidra NERFINISHED ⓘ |
| locatedInRegion |
Central Puerto Rico
NERFINISHED
ⓘ
Cordillera Central region of Puerto Rico NERFINISHED ⓘ |
| locatedInTerritory | Unincorporated territory of the United States ⓘ |
| locatedInTimeZone |
Atlantic Time Zone
ⓘ
surface form:
Atlantic Standard Time
|
| locatedNear | Cidra urban area ⓘ |
| locatedOnTerritory | Island of Puerto Rico NERFINISHED ⓘ |
| partOf | water supply system of Puerto Rico ⓘ |
| use |
boating
ⓘ
fishing ⓘ potable water supply ⓘ recreation ⓘ |
| waterType | freshwater ⓘ |
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: Cidra Reservoir Description of subject: Cidra Reservoir is an artificial lake in the municipality of Cidra, Puerto Rico, primarily used for potable water supply and recreational activities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.