John C. Stennis Lock and Dam nearby
E172913
The John C. Stennis Lock and Dam is a navigation and flood-control structure on the Tennessee-Tombigbee Waterway near Columbus, Mississippi.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John C. Stennis Lock and Dam nearby canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1516722 — 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: John C. Stennis Lock and Dam nearby Context triple: [Columbus, Mississippi, riverCrossing, John C. Stennis Lock and Dam nearby]
-
A.
Guntersville Dam
Guntersville Dam is a Tennessee Valley Authority hydroelectric dam and navigation lock on the Tennessee River in northern Alabama.
-
B.
Macomb’s Dam
Macomb’s Dam was a historic Harlem River crossing in New York City that preceded and was ultimately superseded by the Macombs Dam Bridge.
-
C.
Watts Bar Dam
Watts Bar Dam is a Tennessee Valley Authority hydroelectric and navigation dam on the Tennessee River in eastern Tennessee.
-
D.
Kentucky Dam
Kentucky Dam is a major hydroelectric and flood-control dam in western Kentucky that forms Kentucky Lake on the Tennessee River.
-
E.
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.
- 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: John C. Stennis Lock and Dam nearby Target entity description: The John C. Stennis Lock and Dam is a navigation and flood-control structure on the Tennessee-Tombigbee Waterway near Columbus, Mississippi.
-
A.
Guntersville Dam
Guntersville Dam is a Tennessee Valley Authority hydroelectric dam and navigation lock on the Tennessee River in northern Alabama.
-
B.
Macomb’s Dam
Macomb’s Dam was a historic Harlem River crossing in New York City that preceded and was ultimately superseded by the Macombs Dam Bridge.
-
C.
Watts Bar Dam
Watts Bar Dam is a Tennessee Valley Authority hydroelectric and navigation dam on the Tennessee River in eastern Tennessee.
-
D.
Kentucky Dam
Kentucky Dam is a major hydroelectric and flood-control dam in western Kentucky that forms Kentucky Lake on the Tennessee River.
-
E.
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
flood-control structure
ⓘ
lock and dam ⓘ navigation structure ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| function |
flood control
ⓘ
navigation ⓘ |
| hasPurpose |
improve navigation between Tennessee River and Tombigbee River
ⓘ
reduce flooding along the Tennessee-Tombigbee Waterway ⓘ regulate water levels ⓘ |
| locatedIn |
Lowndes County, Mississippi
ⓘ
Mississippi ⓘ United States ⓘ
linked to:
United States of America
|
| locatedInRegion |
American South
ⓘ
linked to:
Southern United States
Southeastern United States ⓘ
linked to:
Southern United States
|
| locatedNear | Columbus, Mississippi ⓘ |
| locatedOn | Tennessee-Tombigbee Waterway ⓘ |
| namedAfter | John C. Stennis ⓘ |
| namedForOccupation | United States Senator ⓘ |
| namedForStateRepresentation | Mississippi ⓘ |
| nearbyCity | Columbus, Mississippi ⓘ |
| operator |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| owner |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| partOf |
Tennessee-Tombigbee Waterway lock and dam system
ⓘ
linked to:
Tennessee-Tombigbee Waterway
inland waterway system of the United States ⓘ |
| riverSystem | Tennessee-Tombigbee Waterway ⓘ |
| structureType |
concrete dam
ⓘ
navigation lock ⓘ |
| waterway | Tennessee-Tombigbee Waterway ⓘ |
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: John C. Stennis Lock and Dam nearby Description of subject: The John C. Stennis Lock and Dam is a navigation and flood-control structure on the Tennessee-Tombigbee Waterway near Columbus, Mississippi.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Columbus, Mississippi, United States