Cape Sarichef Lighthouse
E596633
Cape Sarichef Lighthouse is a historic navigational beacon located on the remote western tip of Unimak Island in Alaska’s Aleutian chain, guiding vessels through the treacherous waters of the Bering Sea and North Pacific.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cape Sarichef Lighthouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6195028 — 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: Cape Sarichef Lighthouse Context triple: [Unimak Island, hasLighthouse, Cape Sarichef Lighthouse]
-
A.
Cape Borda Lighthouse
Cape Borda Lighthouse is a historic, uniquely square-shaped lighthouse on the rugged northwestern coast of Kangaroo Island in South Australia, known for its dramatic cliff-top setting and maritime heritage.
-
B.
Cape Poge Lighthouse
Cape Poge Lighthouse is a historic coastal beacon on Chappaquiddick Island in Massachusetts, known for guiding ships through the waters off Martha’s Vineyard.
-
C.
Neist Point Lighthouse
Neist Point Lighthouse is a remote, early 20th-century Scottish lighthouse perched dramatically on the westernmost tip of the Isle of Skye, guiding ships through the waters of the Inner Hebrides.
-
D.
Cape Arago Lighthouse
Cape Arago Lighthouse is a historic coastal beacon on the Oregon coast, known for guiding ships near Coos Bay and serving as a prominent scenic landmark.
-
E.
Cape Schanck Lighthouse
Cape Schanck Lighthouse is a historic 19th-century coastal lighthouse on Victoria’s Mornington Peninsula, known for its dramatic cliff-top setting and maritime heritage.
- 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: Cape Sarichef Lighthouse Target entity description: Cape Sarichef Lighthouse is a historic navigational beacon located on the remote western tip of Unimak Island in Alaska’s Aleutian chain, guiding vessels through the treacherous waters of the Bering Sea and North Pacific.
-
A.
Cape Borda Lighthouse
Cape Borda Lighthouse is a historic, uniquely square-shaped lighthouse on the rugged northwestern coast of Kangaroo Island in South Australia, known for its dramatic cliff-top setting and maritime heritage.
-
B.
Cape Poge Lighthouse
Cape Poge Lighthouse is a historic coastal beacon on Chappaquiddick Island in Massachusetts, known for guiding ships through the waters off Martha’s Vineyard.
-
C.
Neist Point Lighthouse
Neist Point Lighthouse is a remote, early 20th-century Scottish lighthouse perched dramatically on the westernmost tip of the Isle of Skye, guiding ships through the waters of the Inner Hebrides.
-
D.
Cape Arago Lighthouse
Cape Arago Lighthouse is a historic coastal beacon on the Oregon coast, known for guiding ships near Coos Bay and serving as a prominent scenic landmark.
-
E.
Cape Schanck Lighthouse
Cape Schanck Lighthouse is a historic 19th-century coastal lighthouse on Victoria’s Mornington Peninsula, known for its dramatic cliff-top setting and maritime heritage.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
lighthouse
ⓘ
navigational aid ⓘ |
| access | accessible primarily by boat or helicopter ⓘ |
| associatedWith | Unimak Pass shipping lane NERFINISHED ⓘ |
| bodyOfWater |
Bering Sea
NERFINISHED
ⓘ
North Pacific Ocean NERFINISHED ⓘ |
| category |
Buildings and structures in Aleutians West Census Area, Alaska
ⓘ
Lighthouses in Alaska ⓘ Transportation infrastructure in Alaska ⓘ |
| characteristic |
exposed to severe weather
ⓘ
remote location ⓘ serves Bering Sea shipping routes ⓘ serves North Pacific shipping routes ⓘ |
| coordinates | approximately 54.6°N 164.9°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| environment | subarctic maritime climate ⓘ |
| function |
aids maritime navigation
ⓘ
guides vessels through treacherous waters ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| locatedIn |
Alaska
ⓘ
Aleutian Islands NERFINISHED ⓘ Aleutians West Census Area NERFINISHED ⓘ Bering Sea NERFINISHED ⓘ North Pacific Ocean NERFINISHED ⓘ Unimak Island NERFINISHED ⓘ |
| locatedInNationalWildlifeRefuge | Alaska Maritime National Wildlife Refuge NERFINISHED ⓘ |
| locatedNear | Cape Sarichef NERFINISHED ⓘ |
| locatedOn |
Aleutian Island chain
NERFINISHED
ⓘ
western tip of Unimak Island ⓘ |
| material |
concrete
ⓘ
steel ⓘ |
| operator | United States Coast Guard NERFINISHED ⓘ |
| owner | United States government NERFINISHED ⓘ |
| purpose |
to mark the western approach to Unimak Pass
ⓘ
to warn ships of coastal hazards ⓘ |
| region | Aleutian Islands NERFINISHED ⓘ |
| state | Alaska ⓘ |
| threat |
coastal erosion
ⓘ
harsh storms ⓘ |
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: Cape Sarichef Lighthouse Description of subject: Cape Sarichef Lighthouse is a historic navigational beacon located on the remote western tip of Unimak Island in Alaska’s Aleutian chain, guiding vessels through the treacherous waters of the Bering Sea and North Pacific.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.