Point Sur Lighthouse
E17952
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Point Sur Lighthouse canonical | 2 |
| Point Sur Lightstation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T139526 — 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: Point Sur Lighthouse Context triple: [Big Sur region of California, hasLandmark, Point Sur Lighthouse]
-
A.
Sankaty Head Light
Sankaty Head Light is a historic lighthouse on the eastern shore of Nantucket, Massachusetts, known for guiding ships along the treacherous waters off the island since the mid-19th century.
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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.
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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.
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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.
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E.
Portland Head Light
Portland Head Light is a historic and picturesque lighthouse located on Cape Elizabeth’s rocky coast near Portland, Maine, and is one of the most photographed lighthouses in the United States.
- 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: Point Sur Lighthouse Target entity description: 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.
-
A.
Sankaty Head Light
Sankaty Head Light is a historic lighthouse on the eastern shore of Nantucket, Massachusetts, known for guiding ships along the treacherous waters off the island since the mid-19th century.
-
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.
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.
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.
Portland Head Light
Portland Head Light is a historic and picturesque lighthouse located on Cape Elizabeth’s rocky coast near Portland, Maine, and is one of the most photographed lighthouses in the United States.
- F. None of above. chosen
Statements (47)
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: Point Sur Lighthouse Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Point Sur Lightstation