Ice Harbor Dam
E224897
Ice Harbor Dam is a hydroelectric dam and navigation lock on the lower Snake River in Washington State, forming Lake Sacajawea and contributing to power generation, irrigation, and river transport in the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ice Harbor Dam canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T1769896 — 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: Ice Harbor Dam Context triple: [Snake River, hasDam, Ice Harbor Dam]
-
A.
The Dalles Dam
The Dalles Dam is a large hydroelectric dam and navigation facility on the Columbia River in the Pacific Northwest, known for its significant power generation and impact on regional river ecosystems and communities.
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B.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
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C.
McNary Dam
McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
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D.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
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E.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
- 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: Ice Harbor Dam Target entity description: Ice Harbor Dam is a hydroelectric dam and navigation lock on the lower Snake River in Washington State, forming Lake Sacajawea and contributing to power generation, irrigation, and river transport in the region.
-
A.
The Dalles Dam
The Dalles Dam is a large hydroelectric dam and navigation facility on the Columbia River in the Pacific Northwest, known for its significant power generation and impact on regional river ecosystems and communities.
-
B.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
C.
McNary Dam
McNary Dam is a large hydroelectric dam and navigation lock complex on the Columbia River in the Pacific Northwest of the United States.
-
D.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
E.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
- F. None of above. chosen
Statements (49)
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: Ice Harbor Dam Description of subject: Ice Harbor Dam is a hydroelectric dam and navigation lock on the lower Snake River in Washington State, forming Lake Sacajawea and contributing to power generation, irrigation, and river transport in the region.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.