USS Katahdin
E824550
USS Katahdin was a United States Navy ironclad harbor-defense ram built in the late 19th century as an experimental coastal defense vessel.
All labels observed (1)
| Label | Occurrences |
|---|---|
| USS Katahdin canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9611260 — 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: USS Katahdin Context triple: [Francis Asbury Roe, shipCommanded, USS Katahdin]
-
A.
USS Boston
USS Boston was a protected cruiser of the United States Navy that gained prominence for its service in the late 19th century, including participation in the Spanish–American War and operations in the Pacific.
-
B.
USS Providence
USS Providence was a prominent warship of the Continental Navy that served during the American Revolutionary War, participating in several key naval operations against British forces.
-
C.
USS Mount McKinley
USS Mount McKinley was a U.S. Navy amphibious force command ship that served as a key flagship and control center for major operations, including during the Korean War.
-
D.
USS Cabot
USS Cabot was a U.S. Navy aircraft carrier that served with distinction during World War II and later in the Spanish Navy under the name Dédalo.
-
E.
USS Utah
USS Utah was a Florida-class battleship of the United States Navy that later served as a target ship and was sunk during the attack on Pearl Harbor in 1941.
- 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: USS Katahdin Target entity description: USS Katahdin was a United States Navy ironclad harbor-defense ram built in the late 19th century as an experimental coastal defense vessel.
-
A.
USS Boston
USS Boston was a protected cruiser of the United States Navy that gained prominence for its service in the late 19th century, including participation in the Spanish–American War and operations in the Pacific.
-
B.
USS Providence
USS Providence was a prominent warship of the Continental Navy that served during the American Revolutionary War, participating in several key naval operations against British forces.
-
C.
USS Mount McKinley
USS Mount McKinley was a U.S. Navy amphibious force command ship that served as a key flagship and control center for major operations, including during the Korean War.
-
D.
USS Cabot
USS Cabot was a U.S. Navy aircraft carrier that served with distinction during World War II and later in the Spanish Navy under the name Dédalo.
-
E.
USS Utah
USS Utah was a Florida-class battleship of the United States Navy that later served as a target ship and was sunk during the attack on Pearl Harbor in 1941.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy warship
ⓘ
experimental coastal defense vessel ⓘ harbor-defense ram ⓘ ironclad warship ⓘ |
| armament |
ram bow
ⓘ
small-caliber guns ⓘ |
| armor |
armored deck
ⓘ
belt armor ⓘ |
| beam | about 43 feet ⓘ |
| builder |
Bath Iron Works
ⓘ
linked to:
General Dynamics Bath Iron Works
|
| builtAt | Bath, Maine ⓘ |
| category |
19th-century naval ship of the United States
ⓘ
ironclad rams of the United States Navy ⓘ ships built in Bath, Maine ⓘ |
| commissioned | 20 February 1896 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crewComplement | about 97 officers and men ⓘ |
| decommissioned |
17 February 1897
ⓘ
8 October 1898 ⓘ |
| designAssessment | considered unsuccessful as a warship concept ⓘ |
| designedRole |
coastal defense
ⓘ
harbor defense ⓘ |
| designInfluence | French ironclad ram designs ⓘ |
| displacement | about 2,155 tons ⓘ |
| draft | about 15 feet ⓘ |
| era | late 19th century ⓘ |
| fate | used as target ⓘ |
| hullClassification | ram ⓘ |
| laidDown | 1891 ⓘ |
| launched | 4 February 1893 ⓘ |
| length | about 250 feet ⓘ |
| namedAfter |
Katahdin, Maine mountain
ⓘ
linked to:
Mount Katahdin
Mount Katahdin ⓘ |
| notableFeature |
low freeboard
ⓘ
specialized ramming bow ⓘ turtleback armored deck ⓘ |
| operator | United States Navy ⓘ |
| primaryMission | defense of U.S. harbors ⓘ |
| propulsion |
coal-fired boilers
ⓘ
steam engines ⓘ |
| recommissioned | 10 March 1898 ⓘ |
| scrapped | by 1911 ⓘ |
| servedIn | Spanish–American War era ⓘ |
| servicePeriod | 1890s ⓘ |
| strickenFromNavalRegister | 9 July 1909 ⓘ |
| topSpeed | about 16 knots ⓘ |
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: USS Katahdin Description of subject: USS Katahdin was a United States Navy ironclad harbor-defense ram built in the late 19th century as an experimental coastal defense vessel.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.