IX-300
E871471
IX-300 was the U.S. Navy designation for the captured German heavy cruiser Prinz Eugen, which served as a target ship in post–World War II nuclear tests at Bikini Atoll.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IX-300 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10545024 — 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: IX-300 Context triple: [USS Prinz Eugen (IX-300), hullNumber, IX-300]
-
A.
MPE/iX
MPE/iX is Hewlett-Packard’s proprietary, Unix-like operating system designed for its HP 3000 series minicomputers, known for its integrated database and business-oriented multiuser capabilities.
-
B.
Nexia
Nexia is a smart home automation platform offering connected control of HVAC, security, and other household systems.
-
C.
Mazda CX-30
The Mazda CX-30 is a compact crossover SUV known for its sleek design, upscale interior, and engaging driving dynamics within Mazda’s lineup.
-
D.
Mazda3
The Mazda3 is a popular compact car known for its sporty handling, stylish design, and well-appointed interior.
-
E.
Mitsubishi ASX
The Mitsubishi ASX is a compact crossover SUV produced by Mitsubishi Motors, known for its practical size, elevated driving position, and versatility for urban and light off-road use.
- 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: IX-300 Target entity description: IX-300 was the U.S. Navy designation for the captured German heavy cruiser Prinz Eugen, which served as a target ship in post–World War II nuclear tests at Bikini Atoll.
-
A.
MPE/iX
MPE/iX is Hewlett-Packard’s proprietary, Unix-like operating system designed for its HP 3000 series minicomputers, known for its integrated database and business-oriented multiuser capabilities.
-
B.
Nexia
Nexia is a smart home automation platform offering connected control of HVAC, security, and other household systems.
-
C.
Mazda CX-30
The Mazda CX-30 is a compact crossover SUV known for its sleek design, upscale interior, and engaging driving dynamics within Mazda’s lineup.
-
D.
Mazda3
The Mazda3 is a popular compact car known for its sporty handling, stylish design, and well-appointed interior.
-
E.
Mitsubishi ASX
The Mitsubishi ASX is a compact crossover SUV produced by Mitsubishi Motors, known for its practical size, elevated driving position, and versatility for urban and light off-road use.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy auxiliary ship
ⓘ
former German warship ⓘ target ship ⓘ |
| conflictContext | World War II ⓘ |
| countryOfOrigin | Germany ⓘ |
| era | post–World War II period ⓘ |
| formerName |
Prinz Eugen
ⓘ
linked to:
German heavy cruiser Prinz Eugen
|
| laterOperator | United States Navy ⓘ |
| locationOfNuclearTests | Marshall Islands ⓘ |
| navalDesignation | IX-300 ⓘ |
| navalDesignationType | unclassified miscellaneous vessel ⓘ |
| notableCharacteristic | one of few large German warships to survive World War II ⓘ |
| notableUse | assessment of nuclear blast effects on large warships ⓘ |
| originalOperator | Kriegsmarine ⓘ |
| originalShipType | heavy cruiser ⓘ |
| originatingShipClass | Admiral Hipper-class heavy cruiser ⓘ |
| participatedInEvent |
Operation Crossroads Able test
ⓘ
linked to:
Operation Crossroads
Operation Crossroads Baker test ⓘ
linked to:
Operation Crossroads
post–World War II nuclear tests ⓘ |
| postwarStatus | captured enemy vessel ⓘ |
| roleInTests | target ship for atomic bomb detonations ⓘ |
| serviceBranch |
U.S. Navy
ⓘ
linked to:
United States Navy
United States Navy ⓘ |
| statusAfterCapture | recommissioned under U.S. flag as IX-300 ⓘ |
| testProgram | Operation Crossroads ⓘ |
| testSite | Bikini Atoll ⓘ |
| usedAs | nuclear weapons test target ⓘ |
| usedBy | United States for weapons effects studies ⓘ |
| wasCapturedFrom | Germany ⓘ |
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: IX-300 Description of subject: IX-300 was the U.S. Navy designation for the captured German heavy cruiser Prinz Eugen, which served as a target ship in post–World War II nuclear tests at Bikini Atoll.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.