Oberon-class submarine (Royal Navy)
E1040863
The Oberon-class submarine was a widely used class of British diesel-electric patrol submarines renowned for their quiet operation and service with the Royal Navy and several allied navies during the Cold War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oberon-class submarine (Royal Navy) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13326328 — 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: Oberon-class submarine (Royal Navy) Context triple: [Upholder-class submarine, designedToReplace, Oberon-class submarine (Royal Navy)]
-
A.
Collins-class submarine
The Collins-class submarine is a class of diesel-electric attack submarines designed for long-range patrols and operated as the primary undersea warfare asset of the Royal Australian Navy.
-
B.
Trafalgar-class submarine
The Trafalgar-class submarine is a class of British nuclear-powered fleet submarines that formed the backbone of the Royal Navy’s attack submarine force from the 1980s into the early 21st century.
-
C.
Oscar-class submarine
The Oscar-class submarine is a Soviet-designed nuclear-powered cruise missile submarine class built during the Cold War to attack NATO carrier battle groups and strategic targets at sea.
-
D.
Victoria-class submarine
The Victoria-class submarine is a class of diesel-electric attack submarines originally built for the Royal Navy as the Upholder class and later modernized and operated by the Royal Canadian Navy for coastal defense, surveillance, and training.
-
E.
Archer-class submarine
The Archer-class submarine is a class of modern diesel-electric attack submarines, originally built for the Swedish Navy and later upgraded and operated by the Republic of Singapore Navy for stealthy underwater 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: Oberon-class submarine (Royal Navy) Target entity description: The Oberon-class submarine was a widely used class of British diesel-electric patrol submarines renowned for their quiet operation and service with the Royal Navy and several allied navies during the Cold War.
-
A.
Collins-class submarine
The Collins-class submarine is a class of diesel-electric attack submarines designed for long-range patrols and operated as the primary undersea warfare asset of the Royal Australian Navy.
-
B.
Trafalgar-class submarine
The Trafalgar-class submarine is a class of British nuclear-powered fleet submarines that formed the backbone of the Royal Navy’s attack submarine force from the 1980s into the early 21st century.
-
C.
Oscar-class submarine
The Oscar-class submarine is a Soviet-designed nuclear-powered cruise missile submarine class built during the Cold War to attack NATO carrier battle groups and strategic targets at sea.
-
D.
Victoria-class submarine
The Victoria-class submarine is a class of diesel-electric attack submarines originally built for the Royal Navy as the Upholder class and later modernized and operated by the Royal Canadian Navy for coastal defense, surveillance, and training.
-
E.
Archer-class submarine
The Archer-class submarine is a class of modern diesel-electric attack submarines, originally built for the Swedish Navy and later upgraded and operated by the Republic of Singapore Navy for stealthy underwater operations.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
diesel-electric submarine class
ⓘ
patrol submarine class ⓘ submarine class ⓘ |
| armament |
mines (optional)
ⓘ
torpedo tubes ⓘ |
| basedOnDesignOf | Porpoise-class submarine NERFINISHED ⓘ |
| builder |
Cammell Laird
NERFINISHED
ⓘ
Chatham Dockyard NERFINISHED ⓘ Cockatoo Island Dockyard NERFINISHED ⓘ Scott Lithgow NERFINISHED ⓘ Scotts Shipbuilding and Engineering Company NERFINISHED ⓘ Vickers-Armstrongs NERFINISHED ⓘ |
| constructionMaterial | high-tensile steel ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| crewComplement | approximately 60 personnel ⓘ |
| designedFor |
covert surveillance
ⓘ
intelligence gathering ⓘ long-range patrols ⓘ |
| displacement |
approximately 2000 tons surfaced
ⓘ
approximately 2400 tons submerged ⓘ |
| hullType | single-hull with internal ballast tanks ⓘ |
| navalBranch | submarine service of the Royal Navy ⓘ |
| navalTechnology |
periscopes
ⓘ
radar (limited) ⓘ sonar systems ⓘ |
| notableCharacteristic | very quiet in operation ⓘ |
| notableFor |
export success to allied navies
ⓘ
longevity in service ⓘ |
| operator |
Brazilian Navy
NERFINISHED
ⓘ
Chilean Navy NERFINISHED ⓘ Royal Australian Navy NERFINISHED ⓘ Royal Canadian Navy NERFINISHED ⓘ Royal Danish Navy NERFINISHED ⓘ Royal Navy ⓘ |
| powerPlant |
diesel engines
ⓘ
electric motors ⓘ |
| precededBy | Porpoise-class submarine NERFINISHED ⓘ |
| primaryRole |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ patrol ⓘ |
| propulsionSystem | diesel-electric ⓘ |
| serviceEntryPeriod | 1960s ⓘ |
| servicePeriod | Cold War era ⓘ |
| successor |
Swiftsure-class submarine
NERFINISHED
ⓘ
Trafalgar-class submarine NERFINISHED ⓘ |
| typeOfEngine |
diesel engine
GENERATED
ⓘ
electric motor GENERATED ⓘ |
| usedBy | NATO navies NERFINISHED ⓘ |
| usedInConflict | Cold War NERFINISHED ⓘ |
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: Oberon-class submarine (Royal Navy) Description of subject: The Oberon-class submarine was a widely used class of British diesel-electric patrol submarines renowned for their quiet operation and service with the Royal Navy and several allied navies during the Cold War.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.