Mark Twain Memorial Lighthouse
E409227
The Mark Twain Memorial Lighthouse is a historic beacon in Hannibal, Missouri, commemorating author Mark Twain and overlooking the Mississippi River and the town that inspired many of his works.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mark Twain Memorial Lighthouse canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4026168 — 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: Mark Twain Memorial Lighthouse Context triple: [Mark Twain’s Hannibal, hasAttraction, Mark Twain Memorial Lighthouse]
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A.
Point Wilson Lighthouse
Point Wilson Lighthouse is a historic navigational beacon located at the entrance to Puget Sound near Port Townsend, Washington.
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B.
Jones Point Lighthouse
Jones Point Lighthouse is a historic 19th-century river lighthouse located on the Potomac River near Alexandria, Virginia, notable as one of the last remaining riverine lighthouses in the United States.
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C.
Lorain Lighthouse
Lorain Lighthouse is a historic navigational beacon on Lake Erie, known for its distinctive architecture and status as an iconic symbol of Lorain, Ohio.
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D.
Old Mission Point Lighthouse
Old Mission Point Lighthouse is a historic 19th-century lighthouse located at the tip of Michigan’s Old Mission Peninsula, known for its picturesque setting and role in guiding ships on Grand Traverse Bay.
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E.
Wind Point Lighthouse
Wind Point Lighthouse is a historic 19th-century lighthouse on Lake Michigan in Wisconsin, known as one of the oldest and tallest active lighthouses on the Great Lakes.
- 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: Mark Twain Memorial Lighthouse Target entity description: The Mark Twain Memorial Lighthouse is a historic beacon in Hannibal, Missouri, commemorating author Mark Twain and overlooking the Mississippi River and the town that inspired many of his works.
-
A.
Point Wilson Lighthouse
Point Wilson Lighthouse is a historic navigational beacon located at the entrance to Puget Sound near Port Townsend, Washington.
-
B.
Jones Point Lighthouse
Jones Point Lighthouse is a historic 19th-century river lighthouse located on the Potomac River near Alexandria, Virginia, notable as one of the last remaining riverine lighthouses in the United States.
-
C.
Lorain Lighthouse
Lorain Lighthouse is a historic navigational beacon on Lake Erie, known for its distinctive architecture and status as an iconic symbol of Lorain, Ohio.
-
D.
Old Mission Point Lighthouse
Old Mission Point Lighthouse is a historic 19th-century lighthouse located at the tip of Michigan’s Old Mission Peninsula, known for its picturesque setting and role in guiding ships on Grand Traverse Bay.
-
E.
Wind Point Lighthouse
Wind Point Lighthouse is a historic 19th-century lighthouse on Lake Michigan in Wisconsin, known as one of the oldest and tallest active lighthouses on the Great Lakes.
- F. None of above. chosen
Statements (31)
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: Mark Twain Memorial Lighthouse Description of subject: The Mark Twain Memorial Lighthouse is a historic beacon in Hannibal, Missouri, commemorating author Mark Twain and overlooking the Mississippi River and the town that inspired many of his works.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.