Coffeeville Lock and Dam
E849754
Coffeeville Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama that helps regulate water levels and support river traffic.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Coffeeville Lock and Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10151565 — 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: Coffeeville Lock and Dam Context triple: [Tombigbee River, hasLockAndDam, Coffeeville Lock and Dam]
-
A.
Tom Bevill Lock and Dam
Tom Bevill Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama, forming part of the Tennessee-Tombigbee Waterway system.
-
B.
Brandon Road Lock and Dam
Brandon Road Lock and Dam is a major navigation and flood-control structure on the Des Plaines River in Illinois that helps manage water levels and vessel traffic on the Illinois Waterway.
-
C.
McNary Lock and Dam
McNary Lock and Dam is a navigation lock facility integrated into the McNary Dam complex on the Columbia River, enabling river traffic to bypass the dam.
-
D.
Ortona Lock and Dam
Ortona Lock and Dam is a navigation and water-control structure on the Caloosahatchee River in Florida that helps manage water levels and vessel passage along the Okeechobee Waterway.
-
E.
Alton Lock and Dam
Alton Lock and Dam is a major navigation and flood-control structure on the Mississippi River that helps regulate river traffic and water levels as part of the Illinois Waterway system.
- 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: Coffeeville Lock and Dam Target entity description: Coffeeville Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama that helps regulate water levels and support river traffic.
-
A.
Tom Bevill Lock and Dam
Tom Bevill Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama, forming part of the Tennessee-Tombigbee Waterway system.
-
B.
Brandon Road Lock and Dam
Brandon Road Lock and Dam is a major navigation and flood-control structure on the Des Plaines River in Illinois that helps manage water levels and vessel traffic on the Illinois Waterway.
-
C.
McNary Lock and Dam
McNary Lock and Dam is a navigation lock facility integrated into the McNary Dam complex on the Columbia River, enabling river traffic to bypass the dam.
-
D.
Ortona Lock and Dam
Ortona Lock and Dam is a navigation and water-control structure on the Caloosahatchee River in Florida that helps manage water levels and vessel passage along the Okeechobee Waterway.
-
E.
Alton Lock and Dam
Alton Lock and Dam is a major navigation and flood-control structure on the Mississippi River that helps regulate river traffic and water levels as part of the Illinois Waterway system.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
flood-control structure
ⓘ
lock and dam ⓘ navigation structure ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| function |
facilitate barge traffic
ⓘ
reduce flooding risk downstream ⓘ regulate water levels on the Tombigbee River ⓘ |
| hasComponent |
dam
ⓘ
navigation lock ⓘ |
| isInfrastructureType |
hydraulic engineering structure
ⓘ
river navigation infrastructure ⓘ |
| isPartOf | Tombigbee River navigation system NERFINISHED ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedInState | Alabama NERFINISHED ⓘ |
| locatedOnRiver | Tombigbee River NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
navigation ⓘ support of river traffic ⓘ water level regulation ⓘ |
| regionServed | southwestern Alabama ⓘ |
| riverBasin | Tombigbee River basin NERFINISHED ⓘ |
| usedFor |
commercial navigation
ⓘ
inland waterway transportation ⓘ |
| watercourse | Tombigbee River NERFINISHED ⓘ |
| waterManagementRole |
controls river stage
ⓘ
modulates flow on the Tombigbee 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: Coffeeville Lock and Dam Description of subject: Coffeeville Lock and Dam is a navigation and flood-control structure on the Tombigbee River in Alabama that helps regulate water levels and support river traffic.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.