Kentucky Lock
E91926
Kentucky Lock is a major navigation lock on the Tennessee River in western Kentucky that enables commercial and recreational vessels to bypass Kentucky Dam and access the Tennessee–Tombigbee and Ohio River systems.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kentucky Lock canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T781486 — 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: Kentucky Lock Context triple: [Tennessee River, hasLock, Kentucky Lock]
-
A.
Winchester, Kentucky
Winchester, Kentucky is a small historic city in Clark County that serves as a commercial and cultural hub for the Central Kentucky region.
-
B.
Versailles, Kentucky
Versailles, Kentucky is a small historic city in Woodford County known for its surrounding horse farms, bourbon distilleries, and role in the heart of Kentucky’s Bluegrass region.
-
C.
Lexington, Kentucky
Lexington, Kentucky is a major city in the Bluegrass region renowned as the "Horse Capital of the World" for its thoroughbred breeding and racing industry.
-
D.
Sonora, Kentucky
Sonora, Kentucky is a small rural city in central Kentucky known for its location along major transportation routes and its close ties to the surrounding agricultural region.
-
E.
Magnolia, Kentucky
Magnolia, Kentucky is a small unincorporated community in LaRue County located near Hodgenville in central Kentucky.
- 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: Kentucky Lock Target entity description: Kentucky Lock is a major navigation lock on the Tennessee River in western Kentucky that enables commercial and recreational vessels to bypass Kentucky Dam and access the Tennessee–Tombigbee and Ohio River systems.
-
A.
Winchester, Kentucky
Winchester, Kentucky is a small historic city in Clark County that serves as a commercial and cultural hub for the Central Kentucky region.
-
B.
Versailles, Kentucky
Versailles, Kentucky is a small historic city in Woodford County known for its surrounding horse farms, bourbon distilleries, and role in the heart of Kentucky’s Bluegrass region.
-
C.
Lexington, Kentucky
Lexington, Kentucky is a major city in the Bluegrass region renowned as the "Horse Capital of the World" for its thoroughbred breeding and racing industry.
-
D.
Sonora, Kentucky
Sonora, Kentucky is a small rural city in central Kentucky known for its location along major transportation routes and its close ties to the surrounding agricultural region.
-
E.
Magnolia, Kentucky
Magnolia, Kentucky is a small unincorporated community in LaRue County located near Hodgenville in central Kentucky.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
inland waterway lock
ⓘ
navigation lock ⓘ |
| administeredUnder | Rivers and Harbors Act (United States) ⓘ |
| bypassesStructure | Kentucky Dam ⓘ |
| connectsToWaterwaySystem |
Ohio River
ⓘ
Tennessee-Tombigbee Waterway ⓘ
surface form:
Tennessee–Tombigbee Waterway
|
| constructionStart | 1930s ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| enablesTrafficType |
commercial vessels
ⓘ
recreational vessels ⓘ |
| expansionProject | addition of 110 by 1200 foot lock chamber ⓘ |
| expansionPurpose | reduce navigation delays ⓘ |
| hasChamberLength | 600 feet ⓘ |
| hasChamberWidth | 110 feet ⓘ |
| hasLift | approximately 75 feet ⓘ |
| hasTypeOfGate | miter gates ⓘ |
| isPartOfProject |
Kentucky Dam
ⓘ
surface form:
Kentucky Dam and Lock Project
|
| locatedInCounty | Marshall County, Kentucky ⓘ |
| locatedInRegion |
Western Kentucky
ⓘ
surface form:
western Kentucky
|
| locatedInState | Kentucky ⓘ |
| locatedJustDownstreamOf | Kentucky Dam ⓘ |
| locatedOnWaterway | Tennessee River ⓘ |
| locatedUpstreamFrom | confluence of Tennessee River and Ohio River ⓘ |
| nearCity | Grand Rivers, Kentucky ⓘ |
| opened | 1944 ⓘ |
| operatedBy | U.S. Army Corps of Engineers ⓘ |
| operatedByDistrict |
U.S. Army Corps of Engineers
ⓘ
surface form:
USACE Nashville District
|
| ownedBy | United States government ⓘ |
| partOf |
Inland Waterway System of the United States
ⓘ
surface form:
Inland Waterways System of the United States
Tennessee River ⓘ
surface form:
Tennessee River navigation system
|
| primaryFunction |
bypass Kentucky Dam for navigation
ⓘ
provide navigation access between Tennessee River and Ohio River system ⓘ provide navigation access between Tennessee River and Tennessee–Tombigbee Waterway ⓘ |
| servesTraffic | barge traffic ⓘ |
| strategicImportance | key link between Gulf of Mexico and Ohio River basin via inland waterways ⓘ |
| underExpansion | yes ⓘ |
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: Kentucky Lock Description of subject: Kentucky Lock is a major navigation lock on the Tennessee River in western Kentucky that enables commercial and recreational vessels to bypass Kentucky Dam and access the Tennessee–Tombigbee and Ohio River systems.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.