Battery Point Lighthouse
E149928
Battery Point Lighthouse is a historic 19th-century lighthouse and museum located on a small, often-tidal island just off Crescent City on California’s northern coast.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battery Point Lighthouse canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1153755 — 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: Battery Point Lighthouse Context triple: [Crescent City, California, hasLandmark, Battery Point Lighthouse]
-
A.
Eastern Point Lighthouse
Eastern Point Lighthouse is a historic coastal beacon in Gloucester, Massachusetts, guiding ships at the entrance to Gloucester Harbor on the Atlantic Ocean.
-
B.
Baron Bliss Lighthouse
Baron Bliss Lighthouse is a prominent coastal beacon and memorial in Belize, honoring the English benefactor Baron Bliss and serving as a notable historic symbol of Belize City.
-
C.
Drum Point Lighthouse
Drum Point Lighthouse is a historic screw-pile lighthouse originally built in the 19th century to mark the entrance to Maryland’s Patuxent River and now preserved as a museum exhibit.
-
D.
Big Red Lighthouse
Big Red Lighthouse is a historic, bright-red navigational beacon at the channel entrance to Lake Michigan in Holland, Michigan, and a well-known local icon.
-
E.
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.
- 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: Battery Point Lighthouse Target entity description: Battery Point Lighthouse is a historic 19th-century lighthouse and museum located on a small, often-tidal island just off Crescent City on California’s northern coast.
-
A.
Eastern Point Lighthouse
Eastern Point Lighthouse is a historic coastal beacon in Gloucester, Massachusetts, guiding ships at the entrance to Gloucester Harbor on the Atlantic Ocean.
-
B.
Baron Bliss Lighthouse
Baron Bliss Lighthouse is a prominent coastal beacon and memorial in Belize, honoring the English benefactor Baron Bliss and serving as a notable historic symbol of Belize City.
-
C.
Drum Point Lighthouse
Drum Point Lighthouse is a historic screw-pile lighthouse originally built in the 19th century to mark the entrance to Maryland’s Patuxent River and now preserved as a museum exhibit.
-
D.
Big Red Lighthouse
Big Red Lighthouse is a historic, bright-red navigational beacon at the channel entrance to Lake Michigan in Holland, Michigan, and a well-known local icon.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ museum ⓘ |
| access |
across a tidal causeway
ⓘ
by foot at low tide ⓘ |
| architecturalStyle | Cape Cod style ⓘ |
| automated | yes ⓘ |
| automationYear | 1953 ⓘ |
| bodyOfWater | Pacific Ocean ⓘ |
| constructionStartYear | 1855 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| deactivatedAsPrimaryLight | 1965 ⓘ |
| focalHeight | about 77 feet ⓘ |
| function |
aid to navigation
ⓘ
maritime museum ⓘ |
| hasExhibits |
lighthouse keepers’ artifacts
ⓘ
local maritime history ⓘ nautical memorabilia ⓘ |
| hasFeature |
attached keeper’s house
ⓘ
cylindrical brick tower ⓘ |
| hasLivingQuarters | yes ⓘ |
| hasView |
Crescent City Harbor
ⓘ
Pacific coast of North America ⓘ
surface form:
Pacific Ocean coastline
|
| lightCharacteristic | flashing white ⓘ |
| listedOn | National Register of Historic Places ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Crescent City, California ⓘ Del Norte County, California ⓘ Pacific coast of the United States ⓘ |
| locatedOn |
Battery Point
ⓘ
a small tidal island ⓘ |
| maintainedBy |
United States Coast Guard
ⓘ
surface form:
United States Coast Guard (light)
|
| materialUsed |
brick
ⓘ
stone ⓘ |
| nearbyCity |
Crescent City, California
ⓘ
surface form:
Crescent City
|
| notableEvent | survived the 1964 Alaska earthquake tsunami ⓘ |
| NRHPListingYear | 1982 ⓘ |
| NRHPReferenceNumber | 82002205 ⓘ |
| openToPublic | yes ⓘ |
| operatedBy | Del Norte County Historical Society ⓘ |
| originalLensType | fourth-order Fresnel lens ⓘ |
| ownership |
Del Norte County, California
ⓘ
surface form:
Del Norte County
|
| region | Northern California coast ⓘ |
| subjectOf | heritage tourism ⓘ |
| tourSeason | typically spring through fall ⓘ |
| towerHeight | about 45 feet ⓘ |
| yearCompleted | 1856 ⓘ |
| yearFirstLit | 1856 ⓘ |
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: Battery Point Lighthouse Description of subject: Battery Point Lighthouse is a historic 19th-century lighthouse and museum located on a small, often-tidal island just off Crescent City on California’s northern coast.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.