Murray Lock and Dam
E260513
Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Murray Lock and Dam canonical | 3 |
| Murray Lock and Dam area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2265553 — 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: Murray Lock and Dam Context triple: [Arkansas River, hasDam, Murray Lock and Dam]
-
A.
Dardanelle Lock and Dam
Dardanelle Lock and Dam is a major navigation and hydroelectric structure on the Arkansas River in Arkansas, forming part of the McClellan–Kerr Arkansas River Navigation System.
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B.
Webbers Falls Lock and Dam
Webbers Falls Lock and Dam is a navigation and flood-control structure on the Arkansas River in Oklahoma that forms part of the McClellan–Kerr Arkansas River Navigation System.
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C.
Keystone Dam
Keystone Dam is a major flood-control and hydroelectric dam in northeastern Oklahoma that forms Keystone Lake on the Arkansas River.
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D.
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.
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E.
Ice Harbor Dam
Ice Harbor Dam is a hydroelectric dam and navigation lock on the lower Snake River in Washington State, forming Lake Sacajawea and contributing to power generation, irrigation, and river transport in 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: Murray Lock and Dam Target entity description: Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
-
A.
Dardanelle Lock and Dam
Dardanelle Lock and Dam is a major navigation and hydroelectric structure on the Arkansas River in Arkansas, forming part of the McClellan–Kerr Arkansas River Navigation System.
-
B.
Webbers Falls Lock and Dam
Webbers Falls Lock and Dam is a navigation and flood-control structure on the Arkansas River in Oklahoma that forms part of the McClellan–Kerr Arkansas River Navigation System.
-
C.
Keystone Dam
Keystone Dam is a major flood-control and hydroelectric dam in northeastern Oklahoma that forms Keystone Lake on the Arkansas River.
-
D.
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.
-
E.
Ice Harbor Dam
Ice Harbor Dam is a hydroelectric dam and navigation lock on the lower Snake River in Washington State, forming Lake Sacajawea and contributing to power generation, irrigation, and river transport in the region.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
flood-control structure
ⓘ
lock and dam ⓘ navigation structure ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| category |
Dams in Arkansas
ⓘ
Locks of the United States ⓘ United States Army Corps of Engineers dams ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| function |
control water levels
ⓘ
improve river navigability ⓘ reduce downstream flooding risk ⓘ |
| hasComponent |
concrete dam
ⓘ
hydroelectric power plant ⓘ navigation lock ⓘ spillway ⓘ |
| locatedIn | Pulaski County, Arkansas ⓘ |
| locatedNear |
Little Rock, Arkansas
ⓘ
Little Rock–North Little Rock–Conway metropolitan area ⓘ
surface form:
Little Rock, Arkansas, metropolitan area
|
| locatedOnWaterway | Arkansas River ⓘ |
| locatedUpstreamFrom | Little Rock, Arkansas ⓘ |
| maintainedBy |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| manages | river flow regulation ⓘ |
| near |
Little Rock–North Little Rock–Conway metropolitan area
ⓘ
surface form:
Little Rock metropolitan area
|
| operator |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| partOf |
McClellan–Kerr Arkansas River Navigation System
ⓘ
inland waterway system of the United States ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ navigation ⓘ |
| regionServed | central Arkansas ⓘ |
| riverSystem | Mississippi River basin ⓘ |
| state | Arkansas ⓘ |
| supports | commercial barge traffic ⓘ |
| usedFor |
commercial navigation
ⓘ
flood risk management ⓘ recreational boating ⓘ water level control ⓘ |
| watercourse | Arkansas 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: Murray Lock and Dam Description of subject: Murray Lock and Dam is a navigation and flood-control structure on the Arkansas River near Little Rock, Arkansas, that helps regulate river flow and support commercial barge traffic.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Interstate 440 (Arkansas)
this entity surface form:
Murray Lock and Dam area