Michigan Island Light
E608505
Michigan Island Light is a historic lighthouse on Michigan Island in Lake Superior that has guided Great Lakes maritime traffic for over a century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Michigan Island Light canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6621345 — 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: Michigan Island Light Context triple: [Michigan Island, hasLighthouse, Michigan Island Light]
-
A.
South Manitou Island Lighthouse
South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
-
B.
Nauset Light
Nauset Light is a historic, red-and-white lighthouse on Cape Cod in Massachusetts, known as an iconic coastal landmark and symbol of the region.
-
C.
Cuttyhunk Island Light
Cuttyhunk Island Light is a historic lighthouse that once guided maritime traffic around Cuttyhunk Island, Massachusetts.
-
D.
Sand Island Light
Sand Island Light is a historic lighthouse located on Sand Island in Lake Superior, known for guiding ships through the Apostle Islands region of Wisconsin.
-
E.
Hooper Strait Lighthouse
Hooper Strait Lighthouse is a historic screw-pile lighthouse from the Chesapeake Bay, preserved as a museum exhibit showcasing 19th-century maritime navigation and coastal life.
- 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: Michigan Island Light Target entity description: Michigan Island Light is a historic lighthouse on Michigan Island in Lake Superior that has guided Great Lakes maritime traffic for over a century.
-
A.
South Manitou Island Lighthouse
South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
-
B.
Nauset Light
Nauset Light is a historic, red-and-white lighthouse on Cape Cod in Massachusetts, known as an iconic coastal landmark and symbol of the region.
-
C.
Cuttyhunk Island Light
Cuttyhunk Island Light is a historic lighthouse that once guided maritime traffic around Cuttyhunk Island, Massachusetts.
-
D.
Sand Island Light
Sand Island Light is a historic lighthouse located on Sand Island in Lake Superior, known for guiding ships through the Apostle Islands region of Wisconsin.
-
E.
Hooper Strait Lighthouse
Hooper Strait Lighthouse is a historic screw-pile lighthouse from the Chesapeake Bay, preserved as a museum exhibit showcasing 19th-century maritime navigation and coastal life.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ |
| category |
Buildings and structures in Ashland County, Wisconsin
ⓘ
Lighthouses in Wisconsin ⓘ Lighthouses on the Great Lakes ⓘ Tourist attractions in Ashland County, Wisconsin ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasAccess | boat access ⓘ |
| hasCharacteristic |
Great Lakes lighthouse
ⓘ
historic lighthouse ⓘ |
| hasConstructionMaterial |
brick
ⓘ
cast iron ⓘ |
| hasFeature |
focal plane
ⓘ
fog signal building ⓘ keeper’s quarters ⓘ lantern room ⓘ |
| hasFunction | warning ships of shoals and hazards ⓘ |
| hasLightCharacteristic | flashing light ⓘ |
| hasStructureType | light tower ⓘ |
| heritageDesignation | National Register of Historic Places ⓘ |
| isOn | shipping route on Lake Superior ⓘ |
| locatedIn |
Apostle Islands
NERFINISHED
ⓘ
Ashland County, Wisconsin NERFINISHED ⓘ Michigan Island NERFINISHED ⓘ Wisconsin ⓘ |
| locatedInBodyOfWater | Lake Superior NERFINISHED ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedInProtectedArea | Apostle Islands National Lakeshore NERFINISHED ⓘ |
| locatedOnGreatLake | Lake Superior NERFINISHED ⓘ |
| managedBy | National Park Service ⓘ |
| openToPublic | seasonally ⓘ |
| operatedBy | United States Coast Guard NERFINISHED ⓘ |
| originalPurpose |
guide commercial shipping
ⓘ
support regional commerce on Lake Superior ⓘ |
| partOf | Apostle Islands National Lakeshore NERFINISHED ⓘ |
| powerSource | automated light system ⓘ |
| purpose |
aid to navigation
ⓘ
guiding Great Lakes maritime traffic ⓘ |
| regionServed |
Apostle Islands area
NERFINISHED
ⓘ
western Lake Superior ⓘ |
| state | Wisconsin ⓘ |
| tourism | heritage tourism site ⓘ |
| usedFor |
maritime navigation
ⓘ
safety of shipping ⓘ |
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: Michigan Island Light Description of subject: Michigan Island Light is a historic lighthouse on Michigan Island in Lake Superior that has guided Great Lakes maritime traffic for over a century.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.