Marquette Harbor Lighthouse
E34761
Marquette Harbor Lighthouse is a historic red-brick navigational beacon on Lake Superior that has guided ships into Marquette, Michigan’s harbor since the 19th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Marquette Harbor Lighthouse canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T252547 — 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: Marquette Harbor Lighthouse Context triple: [Marquette, Michigan, hasLighthouse, Marquette Harbor Lighthouse]
-
A.
Old Mackinac Point Lighthouse
Old Mackinac Point Lighthouse is a historic navigational beacon and museum located at the northern tip of Michigan’s Lower Peninsula, overlooking the Mackinac Bridge and the Straits of Mackinac.
-
B.
Great Point Light
Great Point Light is a historic lighthouse located at the northern tip of Nantucket Island, Massachusetts, guiding vessels through the surrounding coastal waters.
-
C.
Eastern Point Lighthouse
Eastern Point Lighthouse is a historic coastal beacon in Gloucester, Massachusetts, guiding ships at the entrance to Gloucester Harbor on the Atlantic Ocean.
-
D.
Big Red Lighthouse
Big Red Lighthouse is a historic, bright-red navigational beacon at the channel entrance to Lake Michigan in Holland, Michigan, and a well-known local icon.
-
E.
Sankaty Head Light
Sankaty Head Light is a historic lighthouse on the eastern shore of Nantucket, Massachusetts, known for guiding ships along the treacherous waters off the island since the mid-19th century.
- 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: Marquette Harbor Lighthouse Target entity description: Marquette Harbor Lighthouse is a historic red-brick navigational beacon on Lake Superior that has guided ships into Marquette, Michigan’s harbor since the 19th century.
-
A.
Old Mackinac Point Lighthouse
Old Mackinac Point Lighthouse is a historic navigational beacon and museum located at the northern tip of Michigan’s Lower Peninsula, overlooking the Mackinac Bridge and the Straits of Mackinac.
-
B.
Great Point Light
Great Point Light is a historic lighthouse located at the northern tip of Nantucket Island, Massachusetts, guiding vessels through the surrounding coastal waters.
-
C.
Eastern Point Lighthouse
Eastern Point Lighthouse is a historic coastal beacon in Gloucester, Massachusetts, guiding ships at the entrance to Gloucester Harbor on the Atlantic Ocean.
-
D.
Big Red Lighthouse
Big Red Lighthouse is a historic, bright-red navigational beacon at the channel entrance to Lake Michigan in Holland, Michigan, and a well-known local icon.
-
E.
Sankaty Head Light
Sankaty Head Light is a historic lighthouse on the eastern shore of Nantucket, Massachusetts, known for guiding ships along the treacherous waters off the island since the mid-19th century.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ navigational aid ⓘ |
| architecturalStyle | utilitarian brick lighthouse design ⓘ |
| associatedIndustry | iron ore shipping ⓘ |
| automationStatus | automated ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| bodyOfWaterServed |
Port of Marquette
ⓘ
surface form:
Marquette Harbor
|
| category |
Buildings and structures in Marquette County, Michigan
ⓘ
Lighthouses on the Great Lakes ⓘ Tourist attractions in Michigan ⓘ |
| city |
Marquette, Michigan
ⓘ
surface form:
Marquette
|
| color | red ⓘ |
| constructionMaterial | brick ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| function | guides ships into Marquette harbor ⓘ |
| hasMuseumAssociation | Marquette Maritime Museum ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| historicUse | guiding ore ships to Marquette’s ore docks ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| lightRange | approximately 10 nautical miles ⓘ |
| locatedIn |
Marquette County, Michigan
ⓘ
Michigan (most of state) ⓘ
surface form:
Michigan
United States of America ⓘ
surface form:
United States
|
| locatedOnWaterbody | Lake Superior ⓘ |
| location | Marquette, Michigan ⓘ |
| managedBy | Marquette Maritime Museum for tours ⓘ |
| marking | red brick tower and dwelling with white trim ⓘ |
| nearestCity | Marquette, Michigan ⓘ |
| notableFeature | prominent red-brick profile visible from Marquette waterfront ⓘ |
| numberOfStoriesKeeperDwelling | two ⓘ |
| operator | Marquette Maritime Museum ⓘ |
| originalIllumination | oil lamp ⓘ |
| overlooks |
Lake Superior
ⓘ
Port of Marquette ⓘ
surface form:
Marquette Harbor
|
| owner |
United States Coast Guard
ⓘ
surface form:
U.S. Coast Guard
|
| powerSource | electric ⓘ |
| publicAccess | accessible by guided tour ⓘ |
| purpose | to aid navigation on Lake Superior ⓘ |
| region | Upper Peninsula of Michigan ⓘ |
| replacedStructure | earlier 1850s wooden lighthouse ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| tourSeason | summer ⓘ |
| tourType | guided walking tours ⓘ |
| towerAttachment | attached to keeper’s dwelling ⓘ |
| towerShape | square tower ⓘ |
| use | active aid to navigation ⓘ |
| yearEstablished | 1866 ⓘ |
| yearFirstLit | 1866 ⓘ |
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: Marquette Harbor Lighthouse Description of subject: Marquette Harbor Lighthouse is a historic red-brick navigational beacon on Lake Superior that has guided ships into Marquette, Michigan’s harbor since the 19th century.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Marquette, Michigan