Delaware Dam
E470538
Delaware Dam is a flood-control and water-management structure located on the Olentangy River in central Ohio.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Delaware Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4488907 — 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: Delaware Dam Context triple: [Olentangy River, hasDam, Delaware 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.
-
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.
Keystone Dam
Keystone Dam is a major flood-control and hydroelectric dam in northeastern Oklahoma that forms Keystone Lake on the Arkansas River.
-
D.
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.
-
E.
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.
- 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: Delaware Dam Target entity description: Delaware Dam is a flood-control and water-management structure located on the Olentangy River in central Ohio.
-
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.
Keystone Dam
Keystone Dam is a major flood-control and hydroelectric dam in northeastern Oklahoma that forms Keystone Lake on the Arkansas River.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
flood control structure ⓘ water management infrastructure ⓘ |
| adjacentTo | Delaware State Park NERFINISHED ⓘ |
| constructionEndDate | 1951 ⓘ |
| constructionStartDate | 1947 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Delaware County, Ohio NERFINISHED ⓘ |
| createsReservoir | Delaware Lake NERFINISHED ⓘ |
| designedFor | flood risk reduction ⓘ |
| district | Huntington District NERFINISHED ⓘ |
| drainageArea | Olentangy River watershed NERFINISHED ⓘ |
| hasEmbankment | yes ⓘ |
| hasFunction |
fishing support
ⓘ
low-flow augmentation ⓘ recreational boating support ⓘ water supply support ⓘ |
| hasSpillway | yes ⓘ |
| impounds | Olentangy River NERFINISHED ⓘ |
| locatedIn |
Delaware County, Ohio
NERFINISHED
ⓘ
Ohio ⓘ United States of America ⓘ
surface form:
United States
|
| locatedNear | Delaware, Ohio NERFINISHED ⓘ |
| locatedOn | Olentangy River NERFINISHED ⓘ |
| managedBy | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| nearCity | Delaware, Ohio NERFINISHED ⓘ |
| openingDate | 1951 ⓘ |
| owner | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| partOf | Ohio flood control system ⓘ |
| purpose |
flood control
ⓘ
recreation ⓘ water management ⓘ |
| recreationArea | Delaware State Park NERFINISHED ⓘ |
| region | central Ohio NERFINISHED ⓘ |
| reservoirName | Delaware Lake NERFINISHED ⓘ |
| riverBasin | Scioto River basin NERFINISHED ⓘ |
| state | Ohio ⓘ |
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: Delaware Dam Description of subject: Delaware Dam is a flood-control and water-management structure located on the Olentangy River in central Ohio.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.