Puddingstone Reservoir
E375317
Puddingstone Reservoir is a man-made lake and popular recreational area in Los Angeles County, California, known for fishing, boating, and picnicking within Frank G. Bonelli Regional Park.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Puddingstone Reservoir canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3610901 — 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: Puddingstone Reservoir Context triple: [San Dimas, California, adjacentTo, Puddingstone Reservoir]
-
A.
Bethany Reservoir
Bethany Reservoir is a man-made water storage facility in California that serves as a key forebay and regulating reservoir for the State Water Project’s South Bay Aqueduct.
-
B.
Howden Reservoir
Howden Reservoir is a large man-made lake in Derbyshire’s Peak District, known as part of the Upper Derwent Valley chain of reservoirs supplying water to nearby cities and popular for its scenic surroundings and outdoor recreation.
-
C.
Harperrig Reservoir
Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
-
D.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
-
E.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
- 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: Puddingstone Reservoir Target entity description: Puddingstone Reservoir is a man-made lake and popular recreational area in Los Angeles County, California, known for fishing, boating, and picnicking within Frank G. Bonelli Regional Park.
-
A.
Bethany Reservoir
Bethany Reservoir is a man-made water storage facility in California that serves as a key forebay and regulating reservoir for the State Water Project’s South Bay Aqueduct.
-
B.
Howden Reservoir
Howden Reservoir is a large man-made lake in Derbyshire’s Peak District, known as part of the Upper Derwent Valley chain of reservoirs supplying water to nearby cities and popular for its scenic surroundings and outdoor recreation.
-
C.
Harperrig Reservoir
Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
-
D.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
-
E.
Union Reservoir
Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
recreational lake ⓘ reservoir ⓘ |
| basinCountry | United States of America ⓘ |
| country | United States of America ⓘ |
| hasActivity |
biking around lake
ⓘ
birdwatching ⓘ hiking around lake ⓘ jet skiing ⓘ kayaking ⓘ stand-up paddleboarding ⓘ waterskiing ⓘ |
| hasFacility |
boat launch ramps
ⓘ
campground nearby ⓘ fishing piers ⓘ parking areas ⓘ picnic areas ⓘ restrooms ⓘ swim beach ⓘ trails around shore ⓘ |
| hasRecreationalRegulation |
boating regulations enforced
ⓘ
fishing license required ⓘ |
| hasWildlife |
freshwater fish species
ⓘ
shorebirds ⓘ waterfowl ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Los Angeles County, California ⓘ
linked to:
Los Angeles County
San Dimas, California ⓘ
linked to:
San Dimas, California, United States
|
| managedBy | Los Angeles County Department of Parks and Recreation ⓘ |
| manMade | true ⓘ |
| near |
La Verne, California
ⓘ
Pomona, California ⓘ Raging Waters Los Angeles water park ⓘ |
| partOf | Frank G. Bonelli Regional Park ⓘ |
| popularFor |
day use activities
ⓘ
family recreation ⓘ |
| region | Southern California ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ picnicking ⓘ recreation ⓘ sailing ⓘ swimming ⓘ water sports ⓘ |
| waterBodyType | surface reservoir ⓘ |
| within | San Gabriel Valley ⓘ |
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: Puddingstone Reservoir Description of subject: Puddingstone Reservoir is a man-made lake and popular recreational area in Los Angeles County, California, known for fishing, boating, and picnicking within Frank G. Bonelli Regional Park.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
San Dimas, California, United States