Cleveland Harbor breakwaters
E791709
The Cleveland Harbor breakwaters are large protective structures in Lake Erie that shield Cleveland’s harbor and shoreline from waves and storms, helping to maintain safe navigation and reduce coastal erosion.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cleveland Harbor breakwaters canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9323087 — 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: Cleveland Harbor breakwaters Context triple: [Cleveland harbor, hasPart, Cleveland Harbor breakwaters]
-
A.
Long Point Breakwater
Long Point Breakwater is a long stone jetty in Provincetown, Massachusetts, built to protect Provincetown Harbor and provide safe navigation near Long Point.
-
B.
Plymouth Breakwater
Plymouth Breakwater is a massive early 19th-century stone breakwater in Plymouth Sound, England, built to protect the naval anchorage and harbor from the open sea.
-
C.
St Catherine’s Breakwater
St Catherine’s Breakwater is a long protective sea wall and pier on the northeast coast of Jersey, originally built in the 19th century as part of an unfinished harbour project and now used for coastal defence and recreation.
-
D.
Gloucester breakwater
Gloucester breakwater is a protective stone structure extending into the Atlantic Ocean that shelters Gloucester Harbor in Massachusetts from waves and storms.
-
E.
Duxbury Bay barrier system
The Duxbury Bay barrier system is a coastal barrier complex in Massachusetts that protects Duxbury Bay and its surrounding communities from ocean waves, storms, and erosion.
- 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: Cleveland Harbor breakwaters Target entity description: The Cleveland Harbor breakwaters are large protective structures in Lake Erie that shield Cleveland’s harbor and shoreline from waves and storms, helping to maintain safe navigation and reduce coastal erosion.
-
A.
Long Point Breakwater
Long Point Breakwater is a long stone jetty in Provincetown, Massachusetts, built to protect Provincetown Harbor and provide safe navigation near Long Point.
-
B.
Plymouth Breakwater
Plymouth Breakwater is a massive early 19th-century stone breakwater in Plymouth Sound, England, built to protect the naval anchorage and harbor from the open sea.
-
C.
St Catherine’s Breakwater
St Catherine’s Breakwater is a long protective sea wall and pier on the northeast coast of Jersey, originally built in the 19th century as part of an unfinished harbour project and now used for coastal defence and recreation.
-
D.
Gloucester breakwater
Gloucester breakwater is a protective stone structure extending into the Atlantic Ocean that shelters Gloucester Harbor in Massachusetts from waves and storms.
-
E.
Duxbury Bay barrier system
The Duxbury Bay barrier system is a coastal barrier complex in Massachusetts that protects Duxbury Bay and its surrounding communities from ocean waves, storms, and erosion.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
breakwater system
ⓘ
coastal engineering structure ⓘ |
| adjacentTo |
Cleveland, Ohio waterfront
NERFINISHED
ⓘ
Cuyahoga River mouth NERFINISHED ⓘ |
| constructedFor |
commercial shipping protection
ⓘ
recreational boating protection ⓘ |
| environmentalImpact |
influence on sediment transport
ⓘ
modification of local wave climate ⓘ |
| hasFunction |
harbor protection
ⓘ
maintenance of safe navigation ⓘ reduction of coastal erosion ⓘ storm protection ⓘ wave attenuation ⓘ |
| hasMaterial |
concrete
ⓘ
stone ⓘ |
| hasPart |
east breakwater
ⓘ
outer breakwater segments ⓘ west breakwater ⓘ |
| locatedIn |
Cleveland Harbor
NERFINISHED
ⓘ
Cuyahoga County, Ohio NERFINISHED ⓘ Lake Erie NERFINISHED ⓘ Ohio ⓘ United States of America ⓘ
surface form:
United States
|
| managedBy | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| nearbyFeature |
Cleveland Harbor East Pierhead Light
NERFINISHED
ⓘ
Cleveland Harbor West Pierhead Light NERFINISHED ⓘ Cleveland lakefront parks ⓘ |
| partOf | Cleveland Harbor navigation project NERFINISHED ⓘ |
| protects |
Cleveland Harbor
NERFINISHED
ⓘ
Cleveland Harbor navigation channel NERFINISHED ⓘ Cleveland shoreline ⓘ |
| serves | Port of Cleveland NERFINISHED ⓘ |
| subjectOf |
Great Lakes coastal engineering studies
ⓘ
coastal infrastructure maintenance projects ⓘ |
| usedBy |
commercial vessels
ⓘ
recreational vessels ⓘ |
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: Cleveland Harbor breakwaters Description of subject: The Cleveland Harbor breakwaters are large protective structures in Lake Erie that shield Cleveland’s harbor and shoreline from waves and storms, helping to maintain safe navigation and reduce coastal erosion.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.