Anacapa Island Lighthouse
E93415
Anacapa Island Lighthouse is a historic navigational beacon on Anacapa Island off the coast of California, guiding ships through the Santa Barbara Channel.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Anacapa Island Lighthouse canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T781042 — 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: Anacapa Island Lighthouse Context triple: [Anacapa Island, hasFeature, Anacapa Island Lighthouse]
-
A.
Yaquina Bay Lighthouse
Yaquina Bay Lighthouse is a historic 19th-century coastal lighthouse in Newport, Oregon, notable for being one of the oldest standing structures on the Oregon coast and a popular tourist attraction.
-
B.
Cape Mendocino Lighthouse
Cape Mendocino Lighthouse is a historic coastal beacon on California’s rugged north coast that once guided ships navigating the hazardous waters off Cape Mendocino.
-
C.
Alcatraz Island Lighthouse
Alcatraz Island Lighthouse is a historic beacon on Alcatraz Island in San Francisco Bay, notable as the first lighthouse built on the U.S. West Coast and a key aid to navigation for ships entering the bay.
-
D.
Point Sur Lighthouse
Point Sur Lighthouse is a historic 19th-century light station perched on a volcanic rock along California’s Big Sur coast, guiding ships along the rugged Pacific shoreline.
-
E.
Boca Chita Lighthouse
Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
- 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: Anacapa Island Lighthouse Target entity description: Anacapa Island Lighthouse is a historic navigational beacon on Anacapa Island off the coast of California, guiding ships through the Santa Barbara Channel.
-
A.
Yaquina Bay Lighthouse
Yaquina Bay Lighthouse is a historic 19th-century coastal lighthouse in Newport, Oregon, notable for being one of the oldest standing structures on the Oregon coast and a popular tourist attraction.
-
B.
Cape Mendocino Lighthouse
Cape Mendocino Lighthouse is a historic coastal beacon on California’s rugged north coast that once guided ships navigating the hazardous waters off Cape Mendocino.
-
C.
Alcatraz Island Lighthouse
Alcatraz Island Lighthouse is a historic beacon on Alcatraz Island in San Francisco Bay, notable as the first lighthouse built on the U.S. West Coast and a key aid to navigation for ships entering the bay.
-
D.
Point Sur Lighthouse
Point Sur Lighthouse is a historic 19th-century light station perched on a volcanic rock along California’s Big Sur coast, guiding ships along the rugged Pacific shoreline.
-
E.
Boca Chita Lighthouse
Boca Chita Lighthouse is a small, historic ornamental lighthouse located on Boca Chita Key in Biscayne National Park, Florida, known as a picturesque landmark rather than an active navigational aid.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
historic place
ⓘ
lighthouse ⓘ navigational aid ⓘ |
| accessibleBy | boat ⓘ |
| associatedWith |
Channel Islands National Park Service facilities
ⓘ
linked to:
Channel Islands National Park
|
| automated | yes ⓘ |
| automationYear | 1960s ⓘ |
| category |
Buildings and structures in Santa Barbara County, California
ⓘ
Channel Islands of California ⓘ Lighthouses in California ⓘ Transportation in Santa Barbara County, California ⓘ |
| constructionMaterial | concrete ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Santa Barbara County ⓘ |
| function | aid to navigation ⓘ |
| hasFogSignal | yes ⓘ |
| hasKeeperDwelling | yes ⓘ |
| heritageStatus | historic lighthouse ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Channel Islands ⓘ Santa Barbara County, California ⓘ
linked to:
Santa Barbara County
United States ⓘ
linked to:
United States of America
|
| locatedInBodyOfWater |
Pacific Ocean
ⓘ
Santa Barbara Channel ⓘ |
| locatedOn |
Anacapa Island
ⓘ
East Anacapa Island ⓘ
linked to:
Anacapa Island
|
| managedBy | United States Coast Guard ⓘ |
| marking | white tower ⓘ |
| navigationRole |
marks approach to Santa Barbara Channel
ⓘ
warns of hazards around Anacapa Island ⓘ |
| near | Ventura, California ⓘ |
| operatedBy | United States Coast Guard ⓘ |
| originalLensType | Fresnel lens ⓘ |
| overlooks | Santa Barbara Channel ⓘ |
| ownership | United States government ⓘ |
| partOf | United States aids to navigation system ⓘ |
| powerSource | electric light ⓘ |
| purpose | guide ships through the Santa Barbara Channel ⓘ |
| region |
Southern California coast
ⓘ
linked to:
Southern California
|
| seaAreaServed | Pacific Ocean ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| status | active lighthouse ⓘ |
| towerShape | cylindrical tower ⓘ |
| within | Channel Islands National Park ⓘ |
| yearLit | 1932 ⓘ |
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: Anacapa Island Lighthouse Description of subject: Anacapa Island Lighthouse is a historic navigational beacon on Anacapa Island off the coast of California, guiding ships through the Santa Barbara Channel.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.