Hammond Dam
E839144
Hammond Dam is a flood-control and recreational reservoir dam located on the Tioga River in north-central Pennsylvania.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hammond Dam canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T9343809 — 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: Hammond Dam Context triple: [Tioga River, impoundedBy, Hammond Dam]
-
A.
La Grange Dam
La Grange Dam is a historic diversion dam on California’s Tuolumne River that supplies irrigation water to agricultural lands in the San Joaquin Valley.
-
B.
Monticello Dam
Monticello Dam is a large concrete arch dam in Napa County, California, that creates Lake Berryessa and provides water storage, flood control, and hydroelectric power.
-
C.
Rock Island Dam
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.
-
D.
Jennings Randolph Dam
Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
-
E.
Wilson Dam
Wilson Dam is a large hydroelectric and navigation dam in northern Alabama that forms part of the Tennessee Valley Authority system on the Tennessee River.
- 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: Hammond Dam Target entity description: Hammond Dam is a flood-control and recreational reservoir dam located on the Tioga River in north-central Pennsylvania.
-
A.
La Grange Dam
La Grange Dam is a historic diversion dam on California’s Tuolumne River that supplies irrigation water to agricultural lands in the San Joaquin Valley.
-
B.
Monticello Dam
Monticello Dam is a large concrete arch dam in Napa County, California, that creates Lake Berryessa and provides water storage, flood control, and hydroelectric power.
-
C.
Rock Island Dam
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.
-
D.
Jennings Randolph Dam
Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
-
E.
Wilson Dam
Wilson Dam is a large hydroelectric and navigation dam in northern Alabama that forms part of the Tennessee Valley Authority system on the Tennessee River.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
flood-control structure ⓘ recreational reservoir dam ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasFeature | reservoir ⓘ |
| locatedIn |
Pennsylvania
ⓘ
north-central Pennsylvania ⓘ |
| locatedOn | Tioga River ⓘ |
| primaryFunction | flood control ⓘ |
| region | north-central Pennsylvania ⓘ |
| secondaryFunction | recreation ⓘ |
| usedFor |
fishing
ⓘ
outdoor recreation ⓘ recreational boating ⓘ |
| watercourse | Tioga 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: Hammond Dam Description of subject: Hammond Dam is a flood-control and recreational reservoir dam located on the Tioga River in north-central Pennsylvania.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.