Middleville Dam
E755632
Middleville Dam is a small hydro-structure on Michigan’s Thornapple River, historically used for local water management and small-scale power and recreation in the village of Middleville.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Middleville Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8172662 — 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: Middleville Dam Context triple: [Thornapple River (Michigan), hasDam, Middleville Dam]
-
A.
Lewiston Dam
Lewiston Dam is a concrete structure on the Trinity River in Northern California that forms Lewiston Lake and helps regulate water storage and diversion within the Trinity River Basin.
-
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.
Granby Dam
Granby Dam is a major earthfill dam in Colorado that forms Lake Granby, a key storage reservoir supplying water for irrigation, municipal use, and power generation in the region.
-
D.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
E.
Merwin Dam
Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
- 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: Middleville Dam Target entity description: Middleville Dam is a small hydro-structure on Michigan’s Thornapple River, historically used for local water management and small-scale power and recreation in the village of Middleville.
-
A.
Lewiston Dam
Lewiston Dam is a concrete structure on the Trinity River in Northern California that forms Lewiston Lake and helps regulate water storage and diversion within the Trinity River Basin.
-
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.
Granby Dam
Granby Dam is a major earthfill dam in Colorado that forms Lake Granby, a key storage reservoir supplying water for irrigation, municipal use, and power generation in the region.
-
D.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
E.
Merwin Dam
Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
hydraulic_structure ⓘ river_dam ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasFunction |
flow_regulation
ⓘ
support_of_recreational_activities ⓘ water_level_control ⓘ |
| historicalUse |
local_water_management
ⓘ
recreational_purposes ⓘ small_scale_power_generation ⓘ |
| locatedIn |
Barry County, Michigan
NERFINISHED
ⓘ
Michigan NERFINISHED ⓘ Middleville, Michigan NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOn | Thornapple River NERFINISHED ⓘ |
| near | downtown_Middleville ⓘ |
| partOf |
local_hydropower_infrastructure
ⓘ
local_water_resources_system ⓘ |
| region | Midwestern_United_States NERFINISHED ⓘ |
| riverBasin | Grand River basin NERFINISHED ⓘ |
| scale | small ⓘ |
| serves | village_of_Middleville NERFINISHED ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| usedFor |
impoundment_of_river_flow
ⓘ
local_power_generation ⓘ recreation ⓘ small_scale_hydropower ⓘ water_management ⓘ |
| watercourse | Thornapple 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: Middleville Dam Description of subject: Middleville Dam is a small hydro-structure on Michigan’s Thornapple River, historically used for local water management and small-scale power and recreation in the village of Middleville.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.