Cleveland Harbor East Breakwater Light
E791708
Cleveland Harbor East Breakwater Light is a historic lighthouse marking the eastern entrance of Cleveland’s harbor on Lake Erie, aiding navigation for ships approaching the city.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cleveland Harbor East Breakwater Light canonical | 1 |
| Cleveland Harbor East Breakwater Light (view) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9323077 — 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 East Breakwater Light Context triple: [Cleveland harbor, hasPart, Cleveland Harbor East Breakwater Light]
-
A.
Rockland Breakwater Light
Rockland Breakwater Light is a historic lighthouse at the end of a long granite breakwater in Rockland Harbor, Maine, guiding vessels along the Midcoast Maine shoreline.
-
B.
Saybrook Breakwater Light
Saybrook Breakwater Light is a historic offshore lighthouse marking the mouth of the Connecticut River on Long Island Sound.
-
C.
Curtis Island Light
Curtis Island Light is a historic lighthouse located on Curtis Island at the entrance to Camden Harbor in midcoast Maine, serving as a navigational aid and local landmark.
-
D.
Lorain Lighthouse
Lorain Lighthouse is a historic navigational beacon on Lake Erie, known for its distinctive architecture and status as an iconic symbol of Lorain, Ohio.
-
E.
Raspberry Island Light
Raspberry Island Light is a historic lighthouse located on Raspberry Island in Wisconsin’s Apostle Islands, guiding navigation on Lake Superior.
- 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 East Breakwater Light Target entity description: Cleveland Harbor East Breakwater Light is a historic lighthouse marking the eastern entrance of Cleveland’s harbor on Lake Erie, aiding navigation for ships approaching the city.
-
A.
Rockland Breakwater Light
Rockland Breakwater Light is a historic lighthouse at the end of a long granite breakwater in Rockland Harbor, Maine, guiding vessels along the Midcoast Maine shoreline.
-
B.
Saybrook Breakwater Light
Saybrook Breakwater Light is a historic offshore lighthouse marking the mouth of the Connecticut River on Long Island Sound.
-
C.
Curtis Island Light
Curtis Island Light is a historic lighthouse located on Curtis Island at the entrance to Camden Harbor in midcoast Maine, serving as a navigational aid and local landmark.
-
D.
Lorain Lighthouse
Lorain Lighthouse is a historic navigational beacon on Lake Erie, known for its distinctive architecture and status as an iconic symbol of Lorain, Ohio.
-
E.
Raspberry Island Light
Raspberry Island Light is a historic lighthouse located on Raspberry Island in Wisconsin’s Apostle Islands, guiding navigation on Lake Superior.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
ⓘ
lighthouse ⓘ navigational aid ⓘ |
| access | accessible only by boat ⓘ |
| associatedWith |
Port of Cleveland
NERFINISHED
ⓘ
commercial shipping on the Great Lakes ⓘ |
| bodyOfWater | Lake Erie NERFINISHED ⓘ |
| category |
Lighthouses in Ohio
ⓘ
National Register of Historic Places in Cuyahoga County, Ohio NERFINISHED ⓘ Transportation buildings and structures in Cuyahoga County, Ohio ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| foundation | concrete pier ⓘ |
| function |
aids navigation
ⓘ
marks harbor entrance ⓘ |
| heritageDesignation | National Register of Historic Places ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| locatedAt | eastern end of Cleveland Harbor breakwater ⓘ |
| locatedIn |
Cleveland Harbor
NERFINISHED
ⓘ
Cleveland, Ohio NERFINISHED ⓘ Cuyahoga County, Ohio NERFINISHED ⓘ Ohio ⓘ United States of America ⓘ
surface form:
United States
|
| locatedNear | downtown Cleveland NERFINISHED ⓘ |
| locatedOn | Lake Erie NERFINISHED ⓘ |
| material |
concrete foundation
ⓘ
steel ⓘ |
| navigationalSystem | Great Lakes navigation system NERFINISHED ⓘ |
| NRHPCountry | United States NERFINISHED ⓘ |
| NRHPType | building ⓘ |
| operator | United States Coast Guard NERFINISHED ⓘ |
| owner | United States government NERFINISHED ⓘ |
| partOf | Cleveland Harbor breakwater system NERFINISHED ⓘ |
| purpose |
guides ships approaching Cleveland
ⓘ
warns vessels of the breakwater ⓘ |
| role | marks the eastern entrance to Cleveland Harbor ⓘ |
| shape | square tower ⓘ |
| status | active aid to navigation ⓘ |
| towerConstruction | steel tower ⓘ |
| visibility | visible from Lake Erie approaches to Cleveland Harbor ⓘ |
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 East Breakwater Light Description of subject: Cleveland Harbor East Breakwater Light is a historic lighthouse marking the eastern entrance of Cleveland’s harbor on Lake Erie, aiding navigation for ships approaching the city.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cleveland Harbor East Breakwater Light (view)