Grand Haven South Pierhead Inner Light
E373762
Grand Haven South Pierhead Inner Light is a historic red lighthouse on the south pier of Grand Haven, Michigan, serving as a prominent navigational aid and local icon on Lake Michigan.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Grand Haven South Pierhead Inner Light canonical | 4 |
| Grand Haven South Pier | 2 |
| Grand Haven South Pier Lights | 1 |
| Grand Haven South Pierhead Entrance Light | 1 |
| Grand Haven south pier | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3623275 — 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: Grand Haven South Pierhead Inner Light Context triple: [Grand Haven, Michigan, hasLandmark, Grand Haven South Pierhead Inner Light]
-
A.
Muskegon South Pierhead Light
Muskegon South Pierhead Light is a historic red lighthouse on Lake Michigan in Muskegon, Michigan, guiding vessels at the entrance to Muskegon Lake.
-
B.
Grosse Point Lighthouse
Grosse Point Lighthouse is a historic 19th-century lighthouse on the shore of Lake Michigan, notable for guiding ships into the Chicago area and now serving as a preserved landmark and museum.
-
C.
Marquette Harbor Lighthouse
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.
-
D.
Lighthouse Point
Lighthouse Point is a scenic coastal lookout in Santa Cruz, California, known for its historic lighthouse, surf breaks, and panoramic views of the Pacific Ocean.
-
E.
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.
- 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: Grand Haven South Pierhead Inner Light Target entity description: Grand Haven South Pierhead Inner Light is a historic red lighthouse on the south pier of Grand Haven, Michigan, serving as a prominent navigational aid and local icon on Lake Michigan.
-
A.
Muskegon South Pierhead Light
Muskegon South Pierhead Light is a historic red lighthouse on Lake Michigan in Muskegon, Michigan, guiding vessels at the entrance to Muskegon Lake.
-
B.
Grosse Point Lighthouse
Grosse Point Lighthouse is a historic 19th-century lighthouse on the shore of Lake Michigan, notable for guiding ships into the Chicago area and now serving as a preserved landmark and museum.
-
C.
Marquette Harbor Lighthouse
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.
-
D.
Lighthouse Point
Lighthouse Point is a scenic coastal lookout in Santa Cruz, California, known for its historic lighthouse, surf breaks, and panoramic views of the Pacific Ocean.
-
E.
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.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
ⓘ
lighthouse ⓘ navigational aid ⓘ |
| associatedWith |
Grand Haven lighthouse
ⓘ
surface form:
Grand Haven South Pierhead Outer Light
|
| associatedWithActivity |
lighthouse viewing
ⓘ
pier walking ⓘ |
| associatedWithEvent | storms on Lake Michigan ⓘ |
| category |
Grand Haven lighthouse
ⓘ
surface form:
Lake Michigan lighthouse
pierhead light ⓘ |
| color | red ⓘ |
| connectedBy | catwalk ⓘ |
| country | United States of America ⓘ |
| culturalRole |
landmark on Lake Michigan shoreline
ⓘ
symbol of Grand Haven ⓘ |
| environment | freshwater coast ⓘ |
| function |
aid to navigation
ⓘ
harbor entrance light ⓘ |
| hasAccess | public pier walkway ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| lightCharacteristic | flashing light ⓘ |
| locatedIn | United States Midwest ⓘ |
| locatedInCounty | Ottawa County, Michigan NERFINISHED ⓘ |
| locatedInRegion | West Michigan ⓘ |
| locatedInState | Michigan ⓘ |
| locatedOnStructure |
Grand Haven South Pierhead Inner Light
self-linksurface differs
ⓘ
surface form:
Grand Haven south pier
|
| locatedOnWaterbody | Lake Michigan ⓘ |
| location | Grand Haven, Michigan NERFINISHED ⓘ |
| material | steel ⓘ |
| near |
Grand Haven State Park
ⓘ
Grand River mouth ⓘ |
| nearbyCity | Grand Haven NERFINISHED ⓘ |
| operator | United States Coast Guard ⓘ |
| owner | United States Coast Guard ⓘ |
| partOf |
Grand Haven South Pierhead Inner Light
self-linksurface differs
ⓘ
surface form:
Grand Haven South Pier Lights
|
| purpose | guide vessels into Grand Haven harbor from Lake Michigan ⓘ |
| servesHarbor | Grand Haven harbor ⓘ |
| shape | square tower ⓘ |
| significance | local icon ⓘ |
| status | active ⓘ |
| surroundedBy | Lake Michigan waves ⓘ |
| tourism | popular photo subject ⓘ |
| usedFor |
maritime navigation
ⓘ
safety of shipping ⓘ |
| visibleFrom |
Pere Marquette Beach
ⓘ
surface form:
Grand Haven beach
Lake Michigan ⓘ |
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: Grand Haven South Pierhead Inner Light Description of subject: Grand Haven South Pierhead Inner Light is a historic red lighthouse on the south pier of Grand Haven, Michigan, serving as a prominent navigational aid and local icon on Lake Michigan.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Grand Haven South Pierhead Entrance Light
this entity surface form:
Grand Haven South Pier
Grand Haven South Pierhead Inner Light
→
locatedOnStructure
→
Grand Haven South Pierhead Inner Light
self-linksurface differs
ⓘ
this entity surface form:
Grand Haven south pier
Grand Haven South Pierhead Inner Light
→
partOf
→
Grand Haven South Pierhead Inner Light
self-linksurface differs
ⓘ
this entity surface form:
Grand Haven South Pier Lights
this entity surface form:
Grand Haven South Pier