Oyashio-class submarine
E338009
Japanese submarine class
diesel-electric attack submarine
lead ship of class
submarine
submarine class
The Oyashio-class submarine is a modern Japanese diesel-electric attack submarine class known for its advanced sonar, quiet operation, and service with the Japan Maritime Self-Defense Force.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oyashio-class submarine canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3212257 — 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: Oyashio-class submarine Context triple: [Submarine Force, usesEquipment, Oyashio-class submarine]
-
A.
Typhoon-class submarine
The Typhoon-class submarine is a Soviet-designed nuclear-powered ballistic missile submarine, famous as the largest submarine ever built and a key component of the USSR’s Cold War nuclear deterrent.
-
B.
Sendai-class cruiser
The Sendai-class cruiser was a group of light cruisers built for the Imperial Japanese Navy in the early 20th century, designed primarily as destroyer flotilla leaders and for night combat operations.
-
C.
Astute-class submarine
The Astute-class submarine is a fleet of advanced nuclear-powered attack submarines built for the Royal Navy, known for their stealth, endurance, and sophisticated weapons and sensor systems.
-
D.
Upholder-class submarine
The Upholder-class submarine was a class of diesel-electric attack submarines built for the Royal Navy in the late 20th century, later modernized and transferred to Canada where they became the Victoria-class.
-
E.
Victor-class submarine
The Victor-class submarine was a series of Soviet nuclear-powered attack submarines developed during the Cold War for high-speed, deep-diving anti-submarine and anti-surface warfare.
- 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: Oyashio-class submarine Target entity description: The Oyashio-class submarine is a modern Japanese diesel-electric attack submarine class known for its advanced sonar, quiet operation, and service with the Japan Maritime Self-Defense Force.
-
A.
Typhoon-class submarine
The Typhoon-class submarine is a Soviet-designed nuclear-powered ballistic missile submarine, famous as the largest submarine ever built and a key component of the USSR’s Cold War nuclear deterrent.
-
B.
Sendai-class cruiser
The Sendai-class cruiser was a group of light cruisers built for the Imperial Japanese Navy in the early 20th century, designed primarily as destroyer flotilla leaders and for night combat operations.
-
C.
Astute-class submarine
The Astute-class submarine is a fleet of advanced nuclear-powered attack submarines built for the Royal Navy, known for their stealth, endurance, and sophisticated weapons and sensor systems.
-
D.
Upholder-class submarine
The Upholder-class submarine was a class of diesel-electric attack submarines built for the Royal Navy in the late 20th century, later modernized and transferred to Canada where they became the Victoria-class.
-
E.
Victor-class submarine
The Victor-class submarine was a series of Soviet nuclear-powered attack submarines developed during the Cold War for high-speed, deep-diving anti-submarine and anti-surface warfare.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese submarine class
ⓘ
diesel-electric attack submarine ⓘ lead ship of class ⓘ submarine ⓘ submarine class ⓘ |
| armament |
533 mm torpedo tubes
ⓘ
anti-ship torpedoes ⓘ submarine-launched anti-ship missiles ⓘ |
| beam | approximately 8.9 metres ⓘ |
| combatSystem | integrated fire control system ⓘ |
| constructionMaterial | high-tensile steel hull ⓘ |
| countryOfOrigin | Japan ⓘ |
| crewComplement | approximately 70 ⓘ |
| designPeriod | 1990s ⓘ |
| displacementSubmerged | approximately 4000 tonnes ⓘ |
| displacementSurfaced | approximately 2700 tonnes ⓘ |
| draft | approximately 7.4 metres ⓘ |
| era | post–Cold War era ⓘ |
| feature |
advanced sonar suite
ⓘ
quiet operation ⓘ |
| firstCommissioned | late 1990s ⓘ |
| firstUnit | JS Oyashio ⓘ |
| hasVariant | training-configured units ⓘ |
| hullType | single-hull with double-hull sections ⓘ |
| length | approximately 81.7 metres ⓘ |
| maximumDivingDepth | greater than 300 metres ⓘ |
| namedAfter |
Oyashio Current
ⓘ
surface form:
Oyashio current
|
| navalDoctrineRole |
coastal defense
ⓘ
sea lane protection ⓘ |
| numberOfUnitsBuilt | 11 ⓘ |
| operator | Japan Maritime Self-Defense Force ⓘ |
| partOfClass | Oyashio-class submarine self-linksurface differs ⓘ |
| powerSource |
battery banks
ⓘ
diesel generators ⓘ |
| precededBy | Harushio-class submarine ⓘ |
| primaryRole |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ |
| propellerType | single shaft with skewed propeller ⓘ |
| propulsion |
diesel engines
ⓘ
electric motor ⓘ |
| propulsionType | diesel-electric ⓘ |
| sensor |
bow-mounted sonar
ⓘ
flank array sonar ⓘ towed array sonar ⓘ |
| serviceBranch | Japan Maritime Self-Defense Force ⓘ |
| submarineType | attack submarine ⓘ |
| succeededBy | Sōryū-class submarine ⓘ |
| usedBy | Japan ⓘ |
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: Oyashio-class submarine Description of subject: The Oyashio-class submarine is a modern Japanese diesel-electric attack submarine class known for its advanced sonar, quiet operation, and service with the Japan Maritime Self-Defense Force.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
JS Oyashio