Lake Sonoma
E786820
Lake Sonoma is a large man-made reservoir in Sonoma County, California, known for recreation, wildlife habitat, and regional water storage and flood control.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Sonoma canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9227521 — 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: Lake Sonoma Context triple: [Russian River, hasReservoir, Lake Sonoma]
-
A.
Lake Mendocino
Lake Mendocino is a man-made reservoir in Mendocino County, California, used for water storage, flood control, and recreation.
-
B.
Lake Siskiyou
Lake Siskiyou is a scenic reservoir near Mount Shasta in Northern California, popular for fishing, boating, swimming, and views of the surrounding mountains.
-
C.
Lake Miwok
Lake Miwok is an extinct Native American language formerly spoken by the Miwok people around Clear Lake in Northern California.
-
D.
Lake Almanor
Lake Almanor is a large, man-made reservoir in Northern California known for its scenic mountain setting and popular fishing, boating, and camping opportunities.
-
E.
Shasta Lake
Shasta Lake is a large reservoir in Northern California known for its extensive shoreline, houseboating, and proximity to Mount Shasta.
- 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: Lake Sonoma Target entity description: Lake Sonoma is a large man-made reservoir in Sonoma County, California, known for recreation, wildlife habitat, and regional water storage and flood control.
-
A.
Lake Mendocino
Lake Mendocino is a man-made reservoir in Mendocino County, California, used for water storage, flood control, and recreation.
-
B.
Lake Siskiyou
Lake Siskiyou is a scenic reservoir near Mount Shasta in Northern California, popular for fishing, boating, swimming, and views of the surrounding mountains.
-
C.
Lake Miwok
Lake Miwok is an extinct Native American language formerly spoken by the Miwok people around Clear Lake in Northern California.
-
D.
Lake Almanor
Lake Almanor is a large, man-made reservoir in Northern California known for its scenic mountain setting and popular fishing, boating, and camping opportunities.
-
E.
Shasta Lake
Shasta Lake is a large reservoir in Northern California known for its extensive shoreline, houseboating, and proximity to Mount Shasta.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
reservoir
ⓘ
tourist attraction ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| formedByDam | Warm Springs Dam NERFINISHED ⓘ |
| hasActivity |
boating
ⓘ
camping ⓘ fishing ⓘ hiking ⓘ horseback riding ⓘ hunting ⓘ swimming ⓘ |
| hasFacility |
Lake Sonoma Recreation Area
NERFINISHED
ⓘ
boat ramps ⓘ campgrounds ⓘ marina ⓘ picnic areas ⓘ visitors center ⓘ |
| hasFishSpecies |
catfish
ⓘ
crappie ⓘ largemouth bass ⓘ smallmouth bass ⓘ steelhead trout ⓘ sunfish ⓘ |
| hasLandUse | vineyards nearby ⓘ |
| hasRecreationArea | Warm Springs Recreation Area NERFINISHED ⓘ |
| hasWildlife |
deer
ⓘ
fish ⓘ migratory birds ⓘ wild turkey ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Sonoma County, California NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOnRiver | Dry Creek NERFINISHED ⓘ |
| manages | regional water storage ⓘ |
| nearCity |
Geyserville, California
NERFINISHED
ⓘ
Healdsburg, California NERFINISHED ⓘ |
| openedForUse | 1980s ⓘ |
| operator | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| partOf | Russian River watershed NERFINISHED ⓘ |
| purpose |
fish and wildlife habitat
ⓘ
flood control ⓘ recreation ⓘ water supply ⓘ |
| region | North Coast Ranges NERFINISHED ⓘ |
| tributaryOf | Russian River NERFINISHED ⓘ |
| waterSourceFor |
North Bay region of the San Francisco Bay Area
NERFINISHED
ⓘ
Sonoma County 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: Lake Sonoma Description of subject: Lake Sonoma is a large man-made reservoir in Sonoma County, California, known for recreation, wildlife habitat, and regional water storage and flood control.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.