Gotland-class submarine
E384117
The Gotland-class submarine is a Swedish diesel-electric attack submarine renowned for its advanced air-independent propulsion system and exceptional stealth capabilities.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Gotland-class submarine canonical | 4 |
| Västergötland-class submarine | 2 |
| Saab Kockums submarines | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3738539 — 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: Gotland-class submarine Context triple: [Saab Kockums, notableProduct, Gotland-class submarine]
-
A.
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.
-
B.
Kalvari-class submarine
The Kalvari-class submarine is a series of modern, diesel-electric attack submarines operated by India and based on the French Scorpène design, featuring advanced stealth and weapon systems for anti-surface and anti-submarine warfare.
-
C.
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.
-
D.
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.
-
E.
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.
- 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: Gotland-class submarine Target entity description: The Gotland-class submarine is a Swedish diesel-electric attack submarine renowned for its advanced air-independent propulsion system and exceptional stealth capabilities.
-
A.
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.
-
B.
Kalvari-class submarine
The Kalvari-class submarine is a series of modern, diesel-electric attack submarines operated by India and based on the French Scorpène design, featuring advanced stealth and weapon systems for anti-surface and anti-submarine warfare.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
diesel-electric attack submarine class
ⓘ
submarine class ⓘ |
| AIPTechnology | Stirling engine ⓘ |
| builder | Kockums AB ⓘ |
| canLaunchWeapon |
heavyweight torpedoes
ⓘ
lightweight torpedoes ⓘ |
| canLay | naval mines ⓘ |
| countryOfOrigin | Sweden ⓘ |
| designedFor |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ coastal defense ⓘ intelligence gathering ⓘ |
| enteredServiceIn | 1990s ⓘ |
| firstUnitCommissioned | HSwMS Gotland ⓘ |
| hasBeam | approximately 6.2 meters ⓘ |
| hasCombatSystem | integrated combat management system ⓘ |
| hasCrewSize | about 25 ⓘ |
| hasDesignFeature |
X-shaped rudder configuration
ⓘ
hydrodynamically optimized hull for stealth ⓘ |
| hasDisplacementSubmerged | approximately 1600 tonnes ⓘ |
| hasDisplacementSurfaced | approximately 1500 tonnes ⓘ |
| hasDraught | approximately 5.6 meters ⓘ |
| hasHullMaterial | steel ⓘ |
| hasHullType | single-hull ⓘ |
| hasLength | approximately 60 meters ⓘ |
| hasNavigationSystem | inertial navigation system ⓘ |
| hasNotableFeature |
high stealth capability
ⓘ
long submerged endurance with AIP ⓘ very low acoustic signature ⓘ |
| hasOperationalRole |
Baltic Sea operations
ⓘ
littoral operations ⓘ |
| hasPrimaryArmament | 533 mm torpedo tubes ⓘ |
| hasSensor |
electronic support measures
ⓘ
periscope ⓘ |
| hasSonarType |
bow-mounted sonar
ⓘ
flank array sonar ⓘ towed array sonar ⓘ |
| hasUnit |
HSwMS Gotland
ⓘ
HSwMS Halland ⓘ HSwMS Uppland ⓘ
linked to:
HSwMS Gotland
|
| isKnownFor | outperforming nuclear submarines in exercises ⓘ |
| isSuccessorOf |
Västergötland-class submarine
ⓘ
linked to:
Gotland-class submarine
|
| isUsedBy |
Royal Swedish Navy
ⓘ
linked to:
Swedish Navy
|
| manufacturer | Kockums AB ⓘ |
| operator | Swedish Navy ⓘ |
| tookPartIn | US Navy anti-submarine warfare exercises ⓘ |
| usesPropulsionType |
air-independent propulsion
ⓘ
diesel-electric propulsion ⓘ |
| wasLeasedBy | United States Navy ⓘ |
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: Gotland-class submarine Description of subject: The Gotland-class submarine is a Swedish diesel-electric attack submarine renowned for its advanced air-independent propulsion system and exceptional stealth capabilities.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Gotland-class submarine
linked to: Gotland-class submarine
linked to: Gotland-class submarine