Grindle Point Light
E772340
Grindle Point Light is a historic lighthouse located on Islesboro in Penobscot Bay, serving as a navigational aid and notable landmark along Maine’s midcoast.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Grindle Point Light canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8721370 — 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: Grindle Point Light Context triple: [Midcoast Maine, hasPart, Grindle Point Light]
-
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.
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B.
Mission Point Light
Mission Point Light is a historic lighthouse located at the tip of Old Mission Peninsula in Grand Traverse Bay, Michigan, known for its picturesque setting and 19th-century architecture.
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C.
Race Point Light
Race Point Light is a historic lighthouse located at the northern tip of Cape Cod in Provincetown, Massachusetts, guiding ships near the treacherous waters off Race Point.
-
D.
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.
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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: Grindle Point Light Target entity description: Grindle Point Light is a historic lighthouse located on Islesboro in Penobscot Bay, serving as a navigational aid and notable landmark along Maine’s midcoast.
-
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.
Mission Point Light
Mission Point Light is a historic lighthouse located at the tip of Old Mission Peninsula in Grand Traverse Bay, Michigan, known for its picturesque setting and 19th-century architecture.
-
C.
Race Point Light
Race Point Light is a historic lighthouse located at the northern tip of Cape Cod in Provincetown, Massachusetts, guiding ships near the treacherous waters off Race Point.
-
D.
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.
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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 (42)
| Predicate | Object |
|---|---|
| instanceOf |
historic place
ⓘ
lighthouse ⓘ |
| access | ferry from Lincolnville to Islesboro ⓘ |
| attachedTo | keeper's dwelling ⓘ |
| bodyOfWater | Penobscot Bay NERFINISHED ⓘ |
| category |
Buildings and structures in Waldo County, Maine
ⓘ
Lighthouses in Maine ⓘ Tourist attractions in Waldo County, Maine ⓘ Transportation in Waldo County, Maine ⓘ |
| coastGuardDistrict | First Coast Guard District NERFINISHED ⓘ |
| contains | lighthouse museum ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Waldo County NERFINISHED ⓘ |
| function |
coastal landmark
ⓘ
navigational aid ⓘ |
| hasComponent |
bell tower
ⓘ
boathouse ⓘ fog bell ⓘ keeper's house ⓘ lighthouse tower ⓘ oil house ⓘ wharf ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| lightCharacteristic | white light ⓘ |
| locatedIn |
Islesboro, Maine
NERFINISHED
ⓘ
Maine NERFINISHED ⓘ Penobscot Bay NERFINISHED ⓘ Waldo County, Maine NERFINISHED ⓘ |
| locatedOn |
Grindle Point
NERFINISHED
ⓘ
Islesboro Island NERFINISHED ⓘ |
| managingOrganization | Town of Islesboro NERFINISHED ⓘ |
| nearbySettlement | Islesboro village NERFINISHED ⓘ |
| notableFor |
role in local maritime navigation
ⓘ
scenic views of Penobscot Bay ⓘ |
| NRHPCountry | United States NERFINISHED ⓘ |
| NRHPState | Maine NERFINISHED ⓘ |
| NRHPType | building ⓘ |
| openToPublic | true ⓘ |
| region | Midcoast Maine NERFINISHED ⓘ |
| state | Maine ⓘ |
| towerMaterial | brick ⓘ |
| towerShape | square tower ⓘ |
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: Grindle Point Light Description of subject: Grindle Point Light is a historic lighthouse located on Islesboro in Penobscot Bay, serving as a navigational aid and notable landmark along Maine’s midcoast.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.