Lake Mendocino
E785054
Lake Mendocino is a man-made reservoir in Mendocino County, California, used for water storage, flood control, and recreation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lake Mendocino canonical | 5 |
| Lake Mendocino recreation area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9227520 — 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 Mendocino Context triple: [Russian River, hasReservoir, Lake Mendocino]
-
A.
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.
-
B.
Lake Miwok
Lake Miwok is an extinct Native American language formerly spoken by the Miwok people around Clear Lake in Northern California.
-
C.
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.
-
D.
Shasta Lake
Shasta Lake is a large reservoir in Northern California known for its extensive shoreline, houseboating, and proximity to Mount Shasta.
-
E.
Tule Lake
Tule Lake is a shallow, marshy lake in northern California historically significant to the Modoc people and later known as the site of a World War II Japanese American incarceration camp.
- 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 Mendocino Target entity description: Lake Mendocino is a man-made reservoir in Mendocino County, California, used for water storage, flood control, and recreation.
-
A.
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.
-
B.
Lake Miwok
Lake Miwok is an extinct Native American language formerly spoken by the Miwok people around Clear Lake in Northern California.
-
C.
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.
-
D.
Shasta Lake
Shasta Lake is a large reservoir in Northern California known for its extensive shoreline, houseboating, and proximity to Mount Shasta.
-
E.
Tule Lake
Tule Lake is a shallow, marshy lake in northern California historically significant to the Modoc people and later known as the site of a World War II Japanese American incarceration camp.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
body of water
ⓘ
reservoir ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| completedIn | 1958 ⓘ |
| constructionBegan | 1950s ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| created | 1958 ⓘ |
| createdBy | Coyote Valley Dam ⓘ |
| formedBy | impoundment of the East Fork Russian River ⓘ |
| hasDam | Coyote Valley Dam ⓘ |
| hasFunction |
agricultural water supply
ⓘ
downstream flow regulation ⓘ groundwater recharge support ⓘ municipal water supply ⓘ |
| hasIssue |
drought-related low water levels
ⓘ
sedimentation ⓘ |
| hasRecreationalActivity |
boating
ⓘ
camping ⓘ fishing ⓘ hiking ⓘ swimming ⓘ |
| hasRecreationalFacility |
boat ramps
ⓘ
campgrounds ⓘ picnic areas ⓘ |
| hasWildlife |
migratory birds
ⓘ
warmwater fish species ⓘ |
| inflow |
East Fork Russian River
ⓘ
Potter Valley Project diversion from the Eel River ⓘ |
| isReservoirOn |
Russian River system
ⓘ
linked to:
Russian River
|
| locatedIn |
California
ⓘ
linked to:
California, United States
Mendocino County, California ⓘ
linked to:
Mendocino County
Northern California ⓘ |
| locatedNear | Ukiah, California ⓘ |
| locatedOnRiver | East Fork Russian River ⓘ |
| managingAgency |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| nearestCity | Ukiah, California ⓘ |
| operator |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| outflow | Russian River ⓘ |
| partOf |
Russian River watershed
ⓘ
linked to:
Russian River
|
| purpose |
flood control
ⓘ
recreation ⓘ water storage ⓘ |
| region | North Coast Ranges ⓘ |
| usedBy |
Mendocino County
ⓘ
Sonoma County ⓘ
linked to:
Sonoma County, California
|
| watercourse | Russian River ⓘ |
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 Mendocino Description of subject: Lake Mendocino is a man-made reservoir in Mendocino County, California, used for water storage, flood control, and recreation.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lake Mendocino