Seguin Island Light
E763962
Seguin Island Light is a historic lighthouse located on Seguin Island off the coast of Maine, known for being one of the state’s oldest and tallest lights guiding ships in the Gulf of Maine.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Seguin Island Light canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8721365 — 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: Seguin Island Light Context triple: [Midcoast Maine, hasPart, Seguin Island Light]
-
A.
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.
-
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.
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.
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.
-
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: Seguin Island Light Target entity description: Seguin Island Light is a historic lighthouse located on Seguin Island off the coast of Maine, known for being one of the state’s oldest and tallest lights guiding ships in the Gulf of Maine.
-
A.
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.
-
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.
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.
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.
-
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 (45)
| Predicate | Object |
|---|---|
| instanceOf |
historic place
ⓘ
lighthouse ⓘ |
| access | boat only ⓘ |
| constructionMaterial | granite ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Sagadahoc County NERFINISHED ⓘ |
| firstLighting | 1795 ⓘ |
| focalHeight | about 180 feet ⓘ |
| hasCharacteristic | aid to navigation ⓘ |
| hasFeature | fog signal ⓘ |
| hasKeeperDwelling | yes ⓘ |
| hasLens | Fresnel lens NERFINISHED ⓘ |
| hasMuseum | yes ⓘ |
| hasOutbuildings |
oil house
ⓘ
storage buildings ⓘ |
| height |
about 180 feet above sea level
ⓘ
about 53 meters above sea level ⓘ |
| heritageDesignation |
National Register of Historic Places
ⓘ
surface form:
National Register of Historic Places listing
|
| isLandmarkFor | coastal shipping in Maine ⓘ |
| isOneOf |
oldest lighthouses in Maine
ⓘ
tallest lighthouses in Maine ⓘ |
| isOpenToPublic | seasonally ⓘ |
| lanternColor | black ⓘ |
| listedOn | National Register of Historic Places ⓘ |
| locatedIn |
Gulf of Maine
NERFINISHED
ⓘ
Maine NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOn | Seguin Island NERFINISHED ⓘ |
| maintainedBy | local preservation group ⓘ |
| managingAgent | United States Coast Guard NERFINISHED ⓘ |
| navigationArea | approaches to Kennebec River ⓘ |
| nearestCity | Bath, Maine NERFINISHED ⓘ |
| notableFor |
elevation above sea level
ⓘ
long-range visibility ⓘ |
| ocean | Atlantic Ocean ⓘ |
| originalOrder | early federal-era lighthouse ⓘ |
| originalPowerSource | oil lamps ⓘ |
| powerSource | electric ⓘ |
| purpose | to guide ships in the Gulf of Maine ⓘ |
| region | New England NERFINISHED ⓘ |
| state | Maine ⓘ |
| towerColor | white ⓘ |
| towerShape | conical tower ⓘ |
| waterBody | Gulf of Maine NERFINISHED ⓘ |
| yearLit | 1795 ⓘ |
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: Seguin Island Light Description of subject: Seguin Island Light is a historic lighthouse located on Seguin Island off the coast of Maine, known for being one of the state’s oldest and tallest lights guiding ships in the Gulf of Maine.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.