Ortona Lock and Dam
E828586
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ortona Lock and Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9874991 — 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: Ortona Lock and Dam Context triple: [Caloosahatchee River, hasStructure, Ortona Lock and Dam]
-
A.
Murray Lock and Dam
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.
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B.
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.
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C.
Dresden Island Lock and Dam
Dresden Island Lock and Dam is a navigation and flood-control structure on the Illinois Waterway that helps regulate river levels and facilitate barge traffic in northeastern Illinois.
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D.
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.
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E.
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.
- 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: Ortona Lock and Dam Target entity description: 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.
-
A.
Murray Lock and Dam
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.
-
B.
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.
-
C.
Dresden Island Lock and Dam
Dresden Island Lock and Dam is a navigation and flood-control structure on the Illinois Waterway that helps regulate river levels and facilitate barge traffic in northeastern Illinois.
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D.
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.
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E.
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
lock and dam
ⓘ
navigation structure ⓘ water-control structure ⓘ |
| basin |
Okeechobee Waterway basin
ⓘ
linked to:
Lake Okeechobee basin
|
| controls | water levels for the Okeechobee Waterway navigation channel ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| facilitates | boat traffic along the Okeechobee Waterway ⓘ |
| function |
navigation
ⓘ
vessel passage ⓘ water level control ⓘ |
| hasComponent |
dam
ⓘ
navigation lock ⓘ |
| isPartOfSystem |
Caloosahatchee River water-control system
ⓘ
linked to:
Caloosahatchee River water management system
Okeechobee Waterway lock and dam system ⓘ
linked to:
Lake Okeechobee Waterway
|
| locatedIn |
Florida
ⓘ
United States ⓘ
linked to:
United States of America
|
| locatedOnWaterway | Caloosahatchee River ⓘ |
| manages | water levels on the Caloosahatchee River ⓘ |
| operatedBy | U.S. Army Corps of Engineers ⓘ |
| partOf |
Okeechobee Waterway
ⓘ
linked to:
Lake Okeechobee Waterway
|
| purpose |
flood control
ⓘ
navigation improvement ⓘ water management ⓘ |
| regionServed | south-central Florida ⓘ |
| river | Caloosahatchee River ⓘ |
| state | Florida ⓘ |
| usedFor |
commercial vessel transit
ⓘ
recreational boating ⓘ |
| waterway |
Okeechobee Waterway
ⓘ
linked to:
Lake Okeechobee 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: Ortona Lock and Dam Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.