Rubis-class nuclear attack submarines
E266985
The Rubis-class nuclear attack submarines are a series of French Navy vessels designed for anti-submarine and anti-surface warfare, reconnaissance, and support of strategic forces, notable for being among the smallest nuclear-powered attack submarines ever built.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Rubis-class nuclear attack submarines canonical | 3 |
| Barracuda-class nuclear attack submarines | 1 |
| being progressively replaced by Barracuda-class | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2417900 — 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: Rubis-class nuclear attack submarines Context triple: [French Submarine Forces, hasEquipment, Rubis-class nuclear attack submarines]
-
A.
Skipjack-class nuclear submarines
The Skipjack-class nuclear submarines were a pioneering class of fast attack submarines in the U.S. Navy, notable for their teardrop hull design and enhanced underwater speed and maneuverability during the Cold War era.
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B.
Triomphant-class ballistic missile submarines
The Triomphant-class ballistic missile submarines are France’s current generation of nuclear-powered strategic deterrent submarines, designed to carry and launch submarine-launched ballistic missiles as part of the French nuclear arsenal.
-
C.
Vanguard-class ballistic missile submarines
Vanguard-class ballistic missile submarines are the United Kingdom’s nuclear-powered, nuclear-armed submarines that form the seaborne leg of its strategic deterrent force.
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D.
Dreadnought-class nuclear-powered ballistic missile submarines
The Dreadnought-class nuclear-powered ballistic missile submarines are the United Kingdom’s next-generation Trident-armed deterrent vessels designed to replace the Vanguard class and maintain the country’s continuous at-sea nuclear deterrence.
-
E.
Ula-class submarines
Ula-class submarines are a fleet of small, modern diesel-electric attack submarines operated by Norway, optimized for stealthy coastal and littoral operations.
- 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: Rubis-class nuclear attack submarines Target entity description: The Rubis-class nuclear attack submarines are a series of French Navy vessels designed for anti-submarine and anti-surface warfare, reconnaissance, and support of strategic forces, notable for being among the smallest nuclear-powered attack submarines ever built.
-
A.
Skipjack-class nuclear submarines
The Skipjack-class nuclear submarines were a pioneering class of fast attack submarines in the U.S. Navy, notable for their teardrop hull design and enhanced underwater speed and maneuverability during the Cold War era.
-
B.
Triomphant-class ballistic missile submarines
The Triomphant-class ballistic missile submarines are France’s current generation of nuclear-powered strategic deterrent submarines, designed to carry and launch submarine-launched ballistic missiles as part of the French nuclear arsenal.
-
C.
Vanguard-class ballistic missile submarines
Vanguard-class ballistic missile submarines are the United Kingdom’s nuclear-powered, nuclear-armed submarines that form the seaborne leg of its strategic deterrent force.
-
D.
Dreadnought-class nuclear-powered ballistic missile submarines
The Dreadnought-class nuclear-powered ballistic missile submarines are the United Kingdom’s next-generation Trident-armed deterrent vessels designed to replace the Vanguard class and maintain the country’s continuous at-sea nuclear deterrence.
-
E.
Ula-class submarines
Ula-class submarines are a fleet of small, modern diesel-electric attack submarines operated by Norway, optimized for stealthy coastal and littoral operations.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | nuclear-powered attack submarine class ⓘ |
| armament |
533 mm torpedo tubes
ⓘ
F17 Mod 2 torpedoes ⓘ SM39 Exocet anti-ship missiles ⓘ naval mines ⓘ |
| beam | 7.6 metres ⓘ |
| builder | DCN Cherbourg ⓘ |
| countryOfOrigin | France ⓘ |
| crewComplement | about 68 ⓘ |
| crewEnlisted | about 58 ⓘ |
| crewOfficers | about 10 ⓘ |
| designFeature |
based on Agosta-class diesel-electric submarine hull form
ⓘ
compact hull to reduce cost ⓘ |
| displacementSubmerged | 2670 tonnes ⓘ |
| displacementSurfaced | 2410 tonnes ⓘ |
| draught | 6.4 metres ⓘ |
| electronicWarfare | ARUR-13 ESM system ⓘ |
| hullMaterial | steel ⓘ |
| hullType | single-hull design ⓘ |
| length | 73.6 metres ⓘ |
| maximumSpeedSubmerged | >25 knots ⓘ |
| maximumSpeedSurfaced | 23 knots ⓘ |
| modernizationFeature |
improved hydrodynamics
ⓘ
improved sonar suite ⓘ reduced acoustic signature ⓘ upgraded combat system ⓘ |
| modernizationProgram | Améthyste standard upgrade ⓘ |
| namedAfter | Ruby (gemstone) ⓘ |
| nativeName | Classe Rubis ⓘ |
| notableCharacteristic | among the smallest nuclear-powered attack submarines ever built ⓘ |
| numberOfBoatsBuilt | 6 ⓘ |
| operator | French Navy ⓘ |
| powerPlantOrigin | French-designed nuclear reactor ⓘ |
| precededBy | no previous French SSN class (first French SSN) ⓘ |
| primaryRole |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ reconnaissance ⓘ support of strategic forces ⓘ |
| propulsion |
1 K48 pressurized water nuclear reactor
ⓘ
1 propeller ⓘ 1 steam turbine ⓘ |
| reactorType | pressurized water reactor ⓘ |
| serviceEntryYear | 1983 ⓘ |
| sonar |
DMUX 20 sonar suite
ⓘ
DUUX 5 passive sonar ⓘ |
| status |
Rubis-class nuclear attack submarines
self-linksurface differs
ⓘ
surface form:
being progressively replaced by Barracuda-class
|
| succeededBy |
Rubis-class nuclear attack submarines
self-linksurface differs
ⓘ
surface form:
Barracuda-class nuclear attack submarines
|
| testDepth | >300 metres ⓘ |
| typicalPatrolDuration | about 45 days ⓘ |
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: Rubis-class nuclear attack submarines Description of subject: The Rubis-class nuclear attack submarines are a series of French Navy vessels designed for anti-submarine and anti-surface warfare, reconnaissance, and support of strategic forces, notable for being among the smallest nuclear-powered attack submarines ever built.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
Rubis-class nuclear attack submarines
→
succeededBy
→
Rubis-class nuclear attack submarines
self-linksurface differs
ⓘ
this entity surface form:
Barracuda-class nuclear attack submarines
Rubis-class nuclear attack submarines
→
status
→
Rubis-class nuclear attack submarines
self-linksurface differs
ⓘ
this entity surface form:
being progressively replaced by Barracuda-class