Rock Island Dam
E424145
Rock Island Dam is a hydroelectric dam on the Columbia River in Washington State, notable as one of the first major dams built on the river for power generation and river control.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rock Island Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3695864 — 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: Rock Island Dam Context triple: [Columbia River hydropower system, includesFacility, Rock Island Dam]
-
A.
West Point Dam
West Point Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Chattahoochee River, forming West Point Lake on the Alabama–Georgia border.
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B.
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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C.
Lewisville Dam
Lewisville Dam is an earthen embankment dam in North Texas that impounds the Elm Fork of the Trinity River to form Lewisville Lake for flood control, water supply, and recreation.
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D.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
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E.
Palisade Dam
Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
- 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: Rock Island Dam Target entity description: Rock Island Dam is a hydroelectric dam on the Columbia River in Washington State, notable as one of the first major dams built on the river for power generation and river control.
-
A.
West Point Dam
West Point Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Chattahoochee River, forming West Point Lake on the Alabama–Georgia border.
-
B.
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.
-
C.
Lewisville Dam
Lewisville Dam is an earthen embankment dam in North Texas that impounds the Elm Fork of the Trinity River to form Lewisville Lake for flood control, water supply, and recreation.
-
D.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
E.
Palisade Dam
Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
- F. None of above. chosen
Statements (46)
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: Rock Island Dam Description of subject: Rock Island Dam is a hydroelectric dam on the Columbia River in Washington State, notable as one of the first major dams built on the river for power generation and river control.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.