destroyer USS Hammann (DD-412)
E1502
The destroyer USS Hammann (DD-412) was a U.S. Navy Sims-class destroyer that served in the Pacific during World War II and was sunk while assisting the damaged aircraft carrier USS Yorktown at the Battle of Midway.
All labels observed (2)
| Label | Occurrences |
|---|---|
| United States Navy ship USS Hammann (DD-412) | 1 |
| destroyer USS Hammann (DD-412) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13959 — 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: destroyer USS Hammann (DD-412) Context triple: [Battle of Midway, lostByUnitedStates, destroyer USS Hammann (DD-412)]
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A.
USS Arizona (BB-39)
USS Arizona (BB-39) was a Pennsylvania-class U.S. Navy battleship whose catastrophic destruction and loss of life during the 1941 Japanese attack on Pearl Harbor made it one of the most iconic symbols of the United States’ entry into World War II.
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B.
United States Navy
The United States Navy is the maritime service branch of the U.S. Armed Forces, responsible for naval warfare, power projection, and maintaining freedom of navigation across the world’s oceans.
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C.
Imperial Japanese Navy
The Imperial Japanese Navy was the maritime military force of the Empire of Japan, renowned for its powerful carrier fleet and major role in naval battles across the Pacific during World War II.
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D.
Battle of Midway
The Battle of Midway was a pivotal 1942 naval engagement in the Pacific Theater where the United States decisively defeated Japan’s carrier fleet, marking a major turning point in World War II.
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E.
United States Coast Guard
The United States Coast Guard is a U.S. maritime security, search and rescue, and law enforcement service responsible for safeguarding the nation’s coasts, waterways, and maritime interests.
- 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: destroyer USS Hammann (DD-412) Target entity description: The destroyer USS Hammann (DD-412) was a U.S. Navy Sims-class destroyer that served in the Pacific during World War II and was sunk while assisting the damaged aircraft carrier USS Yorktown at the Battle of Midway.
-
A.
USS Arizona (BB-39)
USS Arizona (BB-39) was a Pennsylvania-class U.S. Navy battleship whose catastrophic destruction and loss of life during the 1941 Japanese attack on Pearl Harbor made it one of the most iconic symbols of the United States’ entry into World War II.
-
B.
United States Navy
The United States Navy is the maritime service branch of the U.S. Armed Forces, responsible for naval warfare, power projection, and maintaining freedom of navigation across the world’s oceans.
-
C.
Imperial Japanese Navy
The Imperial Japanese Navy was the maritime military force of the Empire of Japan, renowned for its powerful carrier fleet and major role in naval battles across the Pacific during World War II.
-
D.
Battle of Midway
The Battle of Midway was a pivotal 1942 naval engagement in the Pacific Theater where the United States decisively defeated Japan’s carrier fleet, marking a major turning point in World War II.
-
E.
United States Coast Guard
The United States Coast Guard is a U.S. maritime security, search and rescue, and law enforcement service responsible for safeguarding the nation’s coasts, waterways, and maritime interests.
- F. None of above. chosen
Statements (36)
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: destroyer USS Hammann (DD-412) Description of subject: The destroyer USS Hammann (DD-412) was a U.S. Navy Sims-class destroyer that served in the Pacific during World War II and was sunk while assisting the damaged aircraft carrier USS Yorktown at the Battle of Midway.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Medal of Honor recipient Charles Hammann
linked to: destroyer USS Hammann (DD-412)