Tatoosh Island Lighthouse
E895026
Tatoosh Island Lighthouse is a historic navigational beacon located on Tatoosh Island off the northwestern tip of Washington State, guiding ships near the entrance to the Strait of Juan de Fuca.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tatoosh Island Lighthouse canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10928867 — 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: Tatoosh Island Lighthouse Context triple: [Tatoosh Island, hasStructure, Tatoosh Island Lighthouse]
-
A.
Hooper Strait Lighthouse
Hooper Strait Lighthouse is a historic screw-pile lighthouse from the Chesapeake Bay, preserved as a museum exhibit showcasing 19th-century maritime navigation and coastal life.
-
B.
Cape Sarichef Lighthouse
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.
-
C.
South Manitou Island Lighthouse
South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
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D.
Cana Island Lighthouse
Cana Island Lighthouse is a historic 19th-century lighthouse and popular maritime landmark located off the coast of Door County, Wisconsin.
-
E.
Capul Island lighthouse
Capul Island lighthouse is a historic Spanish-era navigational beacon in Northern Samar, Philippines, known for guiding ships through the treacherous San Bernardino Strait and offering panoramic coastal views.
- 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: Tatoosh Island Lighthouse Target entity description: Tatoosh Island Lighthouse is a historic navigational beacon located on Tatoosh Island off the northwestern tip of Washington State, guiding ships near the entrance to the Strait of Juan de Fuca.
-
A.
Hooper Strait Lighthouse
Hooper Strait Lighthouse is a historic screw-pile lighthouse from the Chesapeake Bay, preserved as a museum exhibit showcasing 19th-century maritime navigation and coastal life.
-
B.
Cape Sarichef Lighthouse
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.
-
C.
South Manitou Island Lighthouse
South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
-
D.
Cana Island Lighthouse
Cana Island Lighthouse is a historic 19th-century lighthouse and popular maritime landmark located off the coast of Door County, Wisconsin.
-
E.
Capul Island lighthouse
Capul Island lighthouse is a historic Spanish-era navigational beacon in Northern Samar, Philippines, known for guiding ships through the treacherous San Bernardino Strait and offering panoramic coastal views.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
ⓘ
lighthouse ⓘ navigational aid ⓘ |
| access | accessible only by boat ⓘ |
| associatedWith |
Strait of Juan de Fuca
NERFINISHED
ⓘ
Tatoosh Island NERFINISHED ⓘ |
| category |
Buildings and structures in Clallam County, Washington
ⓘ
Lighthouses in Washington State ⓘ |
| constructionMaterial | concrete ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| environment | exposed offshore island ⓘ |
| function | marine navigation ⓘ |
| hasFocalPlane | elevated above sea level ⓘ |
| hasFogSignal | yes ⓘ |
| hasLantern | yes ⓘ |
| hasLightCharacteristic | white light ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| locatedEastOf | open Pacific Ocean ⓘ |
| locatedIn |
Clallam County, Washington
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
Washington ⓘ
surface form:
Washington State
|
| locatedInBodyOfWater | Pacific Ocean NERFINISHED ⓘ |
| locatedNear |
entrance to the Strait of Juan de Fuca
ⓘ
northwestern tip of Washington State ⓘ |
| locatedOff | northwestern coast of Washington State ⓘ |
| locatedOn | Tatoosh Island NERFINISHED ⓘ |
| locatedSouthOf | Vancouver Island NERFINISHED ⓘ |
| locatedWestOf | Neah Bay NERFINISHED ⓘ |
| managedAs | aid to navigation station ⓘ |
| marking | white tower ⓘ |
| navigates |
ships entering the Strait of Juan de Fuca
ⓘ
ships leaving the Strait of Juan de Fuca ⓘ |
| nearbyCity | Neah Bay, Washington NERFINISHED ⓘ |
| nearbyLandmark | Cape Flattery NERFINISHED ⓘ |
| operatedBy | United States Coast Guard NERFINISHED ⓘ |
| ownedBy | United States government ⓘ |
| powerSource | electric light ⓘ |
| purpose | to guide ships ⓘ |
| region | Pacific Northwest ⓘ |
| role | safety of maritime traffic ⓘ |
| servesTraffic |
Pacific Ocean shipping
ⓘ
Strait of Juan de Fuca shipping ⓘ |
| status | active aid to navigation ⓘ |
| subjectTo | harsh marine weather conditions ⓘ |
| towerShape | cylindrical tower ⓘ |
| visibility | visible from sea approaches to the Strait of Juan de Fuca ⓘ |
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: Tatoosh Island Lighthouse Description of subject: Tatoosh Island Lighthouse is a historic navigational beacon located on Tatoosh Island off the northwestern tip of Washington State, guiding ships near the entrance to the Strait of Juan de Fuca.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.