Diamond Valley Lake
E589183
Diamond Valley Lake is a large man-made reservoir in Riverside County, California, serving as a major water storage facility and recreational area for the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Diamond Valley Lake canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6355687 — 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: Diamond Valley Lake Context triple: [San Jacinto Valley, borderedBy, Diamond Valley Lake]
-
A.
Canyon Lake
Canyon Lake is a small, gated city in Riverside County, California, centered around a private reservoir and known for its recreational lakefront lifestyle.
-
B.
Canyon Lake
Canyon Lake is a reservoir in central Arizona popular for boating, fishing, and scenic desert canyon views along the Salt River.
-
C.
Goldwater Lake
Goldwater Lake is a small recreational reservoir in the mountains near Prescott, Arizona, popular for fishing, kayaking, and lakeside picnicking.
-
D.
Wheeler Lake
Wheeler Lake is a large man-made reservoir in northern Alabama known for its recreational boating, fishing, and role in regional hydroelectric power and navigation.
-
E.
Palisade Reservoir
Palisade Reservoir is a man-made lake in central Utah used primarily for irrigation, recreation, and local water storage.
- 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: Diamond Valley Lake Target entity description: Diamond Valley Lake is a large man-made reservoir in Riverside County, California, serving as a major water storage facility and recreational area for the region.
-
A.
Canyon Lake
Canyon Lake is a reservoir in central Arizona popular for boating, fishing, and scenic desert canyon views along the Salt River.
-
B.
Canyon Lake
Canyon Lake is a small, gated city in Riverside County, California, centered around a private reservoir and known for its recreational lakefront lifestyle.
-
C.
Goldwater Lake
Goldwater Lake is a small recreational reservoir in the mountains near Prescott, Arizona, popular for fishing, kayaking, and lakeside picnicking.
-
D.
Wheeler Lake
Wheeler Lake is a large man-made reservoir in northern Alabama known for its recreational boating, fishing, and role in regional hydroelectric power and navigation.
-
E.
Palisade Reservoir
Palisade Reservoir is a man-made lake in central Utah used primarily for irrigation, recreation, and local water storage.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinType | off-stream reservoir ⓘ |
| constructionStartDate | 1995 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | construction of three earthfill dams ⓘ |
| dam |
East Dam
NERFINISHED
ⓘ
Saddle Dam NERFINISHED ⓘ West Dam NERFINISHED ⓘ |
| hasCatch |
bluegill
ⓘ
channel catfish ⓘ largemouth bass ⓘ rainbow trout ⓘ striped bass ⓘ |
| hasFacility |
boat launch
ⓘ
marina ⓘ trails ⓘ visitor center ⓘ |
| hasNearbyAttraction | Western Science Center NERFINISHED ⓘ |
| hasShoreLength | approximately 79 kilometers ⓘ |
| hasType | drinking water reservoir ⓘ |
| knownFor |
fossil discoveries during construction
ⓘ
large water storage capacity ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Riverside County ⓘ
surface form:
Riverside County, California
San Jacinto Valley NERFINISHED ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| managedBy | Metropolitan Water District of Southern California NERFINISHED ⓘ |
| near |
Hemet, California
NERFINISHED
ⓘ
San Jacinto, California NERFINISHED ⓘ |
| openingDate | 2000 ⓘ |
| operator | Metropolitan Water District of Southern California NERFINISHED ⓘ |
| partOf | Southern California water supply system NERFINISHED ⓘ |
| primaryUse | water storage ⓘ |
| prohibits | body contact water sports ⓘ |
| recreationalActivity |
boating
ⓘ
fishing ⓘ hiking ⓘ wildlife viewing ⓘ |
| regionServed | Southern California ⓘ |
| use |
drought protection
ⓘ
emergency water storage ⓘ municipal water supply ⓘ recreation ⓘ |
| waterSource |
Colorado River Aqueduct
NERFINISHED
ⓘ
State Water Project NERFINISHED ⓘ |
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: Diamond Valley Lake Description of subject: Diamond Valley Lake is a large man-made reservoir in Riverside County, California, serving as a major water storage facility and recreational area for the region.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.