Lake Sacajawea
E800391
Lake Sacajawea is a man-made reservoir on the Snake River in Washington State, created for hydroelectric power generation, irrigation, and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Sacajawea canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9346268 — 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 Sacajawea Context triple: [Ice Harbor Dam, formsReservoir, Lake Sacajawea]
-
A.
Lake Sakakawea
Lake Sakakawea is a large reservoir in North Dakota formed by the Garrison Dam on the Missouri River, known for its extensive shoreline and recreational opportunities.
-
B.
Pyramid Lake
Pyramid Lake is a large desert lake in northwestern Nevada known for its striking pyramid-shaped tufa formations and cultural significance to the Pyramid Lake Paiute Tribe.
-
C.
Pyramid Lake
Pyramid Lake is a man-made reservoir in Southern California’s Angeles National Forest, popular for boating, fishing, and camping.
-
D.
Pyramid Lake
Pyramid Lake is a scenic alpine lake in the Canadian Rockies, renowned for its clear waters, surrounding mountain views, and outdoor recreation opportunities.
-
E.
Lake Abert
Lake Abert is a large, shallow, saline lake in south-central Oregon known for its bird habitat and striking high-desert landscape.
- 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 Sacajawea Target entity description: Lake Sacajawea is a man-made reservoir on the Snake River in Washington State, created for hydroelectric power generation, irrigation, and recreation.
-
A.
Lake Sakakawea
Lake Sakakawea is a large reservoir in North Dakota formed by the Garrison Dam on the Missouri River, known for its extensive shoreline and recreational opportunities.
-
B.
Pyramid Lake
Pyramid Lake is a large desert lake in northwestern Nevada known for its striking pyramid-shaped tufa formations and cultural significance to the Pyramid Lake Paiute Tribe.
-
C.
Pyramid Lake
Pyramid Lake is a man-made reservoir in Southern California’s Angeles National Forest, popular for boating, fishing, and camping.
-
D.
Pyramid Lake
Pyramid Lake is a scenic alpine lake in the Canadian Rockies, renowned for its clear waters, surrounding mountain views, and outdoor recreation opportunities.
-
E.
Lake Abert
Lake Abert is a large, shallow, saline lake in south-central Oregon known for its bird habitat and striking high-desert landscape.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasActivity |
boating
ⓘ
camping ⓘ fishing ⓘ swimming ⓘ wildlife viewing ⓘ |
| hasFunction |
flood control
ⓘ
supporting navigation ⓘ water storage ⓘ |
| isArtificial | true ⓘ |
| locatedIn |
Pacific Northwest
ⓘ
Washington ⓘ
surface form:
Washington State
|
| locatedOnRiver | Snake River NERFINISHED ⓘ |
| partOf | Snake River basin NERFINISHED ⓘ |
| riverSystem | Snake River NERFINISHED ⓘ |
| state | Washington ⓘ |
| use |
hydroelectric power generation
ⓘ
irrigation ⓘ recreation ⓘ |
| waterbodyType | reservoir ⓘ |
| waterSource | Snake River 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 Sacajawea Description of subject: Lake Sacajawea is a man-made reservoir on the Snake River in Washington State, created for hydroelectric power generation, irrigation, and recreation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.