U-505 submarine
E44718
The U-505 submarine is a captured German World War II U-boat preserved as a historic naval artifact and war prize.
All labels observed (4)
| Label | Occurrences |
|---|---|
| U-505 | 3 |
| German submarine U-505 | 2 |
| Capture of U-505 on 4 June 1944 | 1 |
| U-505 submarine canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T353812 — 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: U-505 submarine Context triple: [Museum of Science and Industry, hasExhibit, U-505 submarine]
-
A.
U-boats
U-boats were German military submarines, most famously used in both World Wars for commerce raiding and naval warfare in the Atlantic.
-
B.
Japanese submarine I-168
Japanese submarine I-168 was an Imperial Japanese Navy fleet submarine best known for its role in the Battle of Midway, where it torpedoed and sank the damaged aircraft carrier USS Yorktown and the destroyer USS Hammann.
-
C.
USS Pampanito
USS Pampanito is a World War II-era Balao-class submarine preserved as a museum ship and memorial in San Francisco.
-
D.
bathyscaphe Trieste
The bathyscaphe Trieste was a deep-diving research submersible that in 1960 carried Jacques Piccard and Don Walsh on the first crewed descent to the deepest known point in Earth’s oceans.
-
E.
Admiral Graf Spee
Admiral Graf Spee was a German "pocket battleship" (heavy cruiser) of the Kriegsmarine famed for its commerce raiding in the South Atlantic and its scuttling after the Battle of the River Plate early in World War II.
- 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: U-505 submarine Target entity description: The U-505 submarine is a captured German World War II U-boat preserved as a historic naval artifact and war prize.
-
A.
U-boats
U-boats were German military submarines, most famously used in both World Wars for commerce raiding and naval warfare in the Atlantic.
-
B.
Japanese submarine I-168
Japanese submarine I-168 was an Imperial Japanese Navy fleet submarine best known for its role in the Battle of Midway, where it torpedoed and sank the damaged aircraft carrier USS Yorktown and the destroyer USS Hammann.
-
C.
USS Pampanito
USS Pampanito is a World War II-era Balao-class submarine preserved as a museum ship and memorial in San Francisco.
-
D.
bathyscaphe Trieste
The bathyscaphe Trieste was a deep-diving research submersible that in 1960 carried Jacques Piccard and Don Walsh on the first crewed descent to the deepest known point in Earth’s oceans.
-
E.
Admiral Graf Spee
Admiral Graf Spee was a German "pocket battleship" (heavy cruiser) of the Kriegsmarine famed for its commerce raiding in the South Atlantic and its scuttling after the Battle of the River Plate early in World War II.
- F. None of above. chosen
Statements (59)
| Predicate | Object |
|---|---|
| instanceOf |
German submarine
ⓘ
Type IXC U-boat ⓘ museum ship ⓘ naval war prize ⓘ |
| armament |
anti-aircraft guns
ⓘ
deck gun ⓘ torpedo tubes ⓘ |
| assignedTo |
2nd U-boat Flotilla
ⓘ
4th U-boat Flotilla ⓘ |
| beam | 6.76 m ⓘ |
| builder | Deutsche Werft AG ⓘ |
| builtAt | Hamburg ⓘ |
| capturedBy |
Task Group 22.3
ⓘ
USS Guadalcanal ⓘ USS Pillsbury ⓘ United States Navy ⓘ |
| capturedIn | Atlantic Ocean ⓘ |
| capturedNear | off the coast of West Africa ⓘ |
| capturedOn | 4 June 1944 ⓘ |
| commissionedOn | 26 August 1941 ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin | Nazi Germany ⓘ |
| crewComplement | about 48 to 54 ⓘ |
| decommissionedAsWarship | post-World War II ⓘ |
| designation | National Historic Landmark ⓘ |
| displacementSubmerged | 1232 t ⓘ |
| displacementSurfaced | 1120 t ⓘ |
| displayedAt |
Museum of Science and Industry, Chicago
ⓘ
linked to:
Museum of Science and Industry
|
| draught | 4.7 m ⓘ |
| hasExhibitTheme | Battle of the Atlantic interpretation ⓘ |
| hasHullNumber | 505 ⓘ |
| heritageStatus |
U.S. National Historic Landmark
ⓘ
linked to:
National Historic Landmark
|
| laidDownOn | 12 June 1940 ⓘ |
| laterOperator | United States Navy ⓘ |
| launchedOn | 24 May 1941 ⓘ |
| length | 76.76 m ⓘ |
| locatedIn |
Chicago
ⓘ
linked to:
Chicago, Illinois, United States
Illinois ⓘ United States ⓘ
linked to:
United States of America
|
| maximumSpeedSubmerged | about 7.3 knots ⓘ |
| maximumSpeedSurfaced | about 18.3 knots ⓘ |
| notableFor |
being one of the few German U-boats captured at sea by the Allies
ⓘ
yielding Enigma materials and codebooks ⓘ |
| onDisplaySince | 1954 ⓘ |
| operator | Kriegsmarine ⓘ |
| pennantNumber |
U-505
ⓘ
linked to:
U-505 submarine
|
| placedIn | indoor exhibit at Museum of Science and Industry ⓘ |
| preservedAs | museum ship ⓘ |
| propulsion | diesel-electric ⓘ |
| rangeSurfaced | about 13450 nmi at 10 knots ⓘ |
| servedIn | Battle of the Atlantic ⓘ |
| shipClass | Type IXC submarine ⓘ |
| shipType | ocean-going long-range submarine ⓘ |
| testDepth | 230 m ⓘ |
| underwentRestoration | early 2000s ⓘ |
| usedFor |
education about submarine warfare
ⓘ
public history exhibits ⓘ |
| warPrizeOf |
United States
ⓘ
linked to:
United States of America
|
| yardNumber | 295 ⓘ |
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: U-505 submarine Description of subject: The U-505 submarine is a captured German World War II U-boat preserved as a historic naval artifact and war prize.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: U-505 submarine
linked to: U-505 submarine
linked to: U-505 submarine
linked to: U-505 submarine
linked to: U-505 submarine