Pottawatomie Lighthouse
E392021
Pottawatomie Lighthouse is a historic 19th-century lighthouse located on Rock Island in Door County, Wisconsin, and is one of the oldest lighthouses on Lake Michigan.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pottawatomie Lighthouse canonical | 5 |
| Pottawatomie Light | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3667253 — 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: Pottawatomie Lighthouse Context triple: [Door County, contains, Pottawatomie Lighthouse]
-
A.
McGulpin Point Lighthouse
McGulpin Point Lighthouse is a historic 19th-century lighthouse on the Straits of Mackinac in northern Michigan, preserved today as a heritage site and museum.
-
B.
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.
-
C.
Pilot Island Light
Pilot Island Light is a historic lighthouse located on Pilot Island off the tip of Wisconsin’s Door Peninsula, long used to guide ships through the treacherous waters of Lake Michigan near Death’s Door passage.
-
D.
Raspberry Island Light
Raspberry Island Light is a historic lighthouse located on Raspberry Island in Wisconsin’s Apostle Islands, guiding navigation on Lake Superior.
-
E.
Robbins Reef Lighthouse
Robbins Reef Lighthouse is a historic offshore beacon in New York Harbor that has guided ships since the 19th century and is famed for its distinctive “sparkplug” design and the story of its longtime keeper, Kate Walker.
- 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: Pottawatomie Lighthouse Target entity description: Pottawatomie Lighthouse is a historic 19th-century lighthouse located on Rock Island in Door County, Wisconsin, and is one of the oldest lighthouses on Lake Michigan.
-
A.
McGulpin Point Lighthouse
McGulpin Point Lighthouse is a historic 19th-century lighthouse on the Straits of Mackinac in northern Michigan, preserved today as a heritage site and museum.
-
B.
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.
-
C.
Pilot Island Light
Pilot Island Light is a historic lighthouse located on Pilot Island off the tip of Wisconsin’s Door Peninsula, long used to guide ships through the treacherous waters of Lake Michigan near Death’s Door passage.
-
D.
Raspberry Island Light
Raspberry Island Light is a historic lighthouse located on Raspberry Island in Wisconsin’s Apostle Islands, guiding navigation on Lake Superior.
-
E.
Robbins Reef Lighthouse
Robbins Reef Lighthouse is a historic offshore beacon in New York Harbor that has guided ships since the 19th century and is famed for its distinctive “sparkplug” design and the story of its longtime keeper, Kate Walker.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ tourist attraction ⓘ |
| access | by boat only ⓘ |
| alsoKnownAs |
Pottawatomie Lighthouse
ⓘ
surface form:
Pottawatomie Light
Rock Island Light ⓘ |
| architecturalStyle | mid-19th-century American lighthouse design ⓘ |
| automationDate | 20th century ⓘ |
| bodyOfWaterServed | Lake Michigan ⓘ |
| constructionStart | 1857 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Door County ⓘ |
| currentUse |
museum
ⓘ
navigational aid ⓘ |
| hasCategory |
Buildings and structures in Door County, Wisconsin
ⓘ
Lighthouses in Wisconsin ⓘ Lighthouses on the National Register of Historic Places in Wisconsin ⓘ Tourist attractions in Door County, Wisconsin ⓘ |
| hasName | Pottawatomie Lighthouse self-link ⓘ |
| hasStructure |
attached tower
ⓘ
keeper's dwelling ⓘ |
| heritageDesignation | National Register of Historic Places ⓘ |
| historicPeriod | 19th century ⓘ |
| inception | 1858 ⓘ |
| isPartOf | Rock Island State Park ⓘ |
| lightCharacteristic | fixed white (historical) ⓘ |
| locatedIn |
Door County
ⓘ
surface form:
Door County, Wisconsin
Rock Island ⓘ United States of America ⓘ
surface form:
United States
Wisconsin ⓘ |
| locatedInProtectedArea | Rock Island State Park ⓘ |
| locatedOn | Lake Michigan ⓘ |
| locatedOnIsland | Rock Island ⓘ |
| materialUsed |
brick
ⓘ
stone ⓘ |
| openToPublic | yes ⓘ |
| operator | Wisconsin Department of Natural Resources ⓘ |
| owner | Wisconsin Department of Natural Resources ⓘ |
| purpose | aid to navigation ⓘ |
| replaced | earlier 1836 lighthouse on Rock Island ⓘ |
| restoration | late 20th century ⓘ |
| significance | one of the oldest lighthouses on Lake Michigan ⓘ |
| state | Wisconsin ⓘ |
| tourism | guided tours available in season ⓘ |
| yearLit | 1858 ⓘ |
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: Pottawatomie Lighthouse Description of subject: Pottawatomie Lighthouse is a historic 19th-century lighthouse located on Rock Island in Door County, Wisconsin, and is one of the oldest lighthouses on Lake Michigan.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Rock Island State Park
this entity surface form:
Pottawatomie Light