Kalvari-class submarine
E344467
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Scorpène-class submarine | 2 |
| Kalvari-class submarine canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3227663 — 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: Kalvari-class submarine Context triple: [Indian Navy, hasSubmarineClass, Kalvari-class submarine]
-
A.
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.
-
B.
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.
-
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.
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.
Akula-class submarine
The Akula-class submarine is a series of nuclear-powered attack submarines developed by the Soviet Union during the Cold War, known for their improved stealth, speed, and advanced weaponry compared to earlier Soviet designs.
- 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: Kalvari-class submarine Target entity description: 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.
-
A.
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.
-
B.
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.
-
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.
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.
Akula-class submarine
The Akula-class submarine is a series of nuclear-powered attack submarines developed by the Soviet Union during the Cold War, known for their improved stealth, speed, and advanced weaponry compared to earlier Soviet designs.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
diesel-electric attack submarine
ⓘ
submarine class ⓘ |
| basedOn |
Kalvari-class submarine
self-linksurface differs
ⓘ
surface form:
Scorpène-class submarine
|
| buildCity | Mumbai ⓘ |
| buildCountry | India ⓘ |
| buildLocation | Mazagon Dock Shipbuilders Limited ⓘ |
| constructionMethod | modular construction ⓘ |
| country | India ⓘ |
| designer | Naval Group ⓘ |
| formerNameOfDesigner |
Naval Group
ⓘ
surface form:
DCNS
|
| hasCapability |
blue-water operations
ⓘ
littoral operations ⓘ |
| hasCrewType | mixed officers and sailors ⓘ |
| hasFeature |
advanced stealth technology
ⓘ
anti-ship missiles ⓘ integrated sonar suite ⓘ minelaying capability ⓘ torpedo armament ⓘ |
| hasSensor |
electronic warfare suite
ⓘ
periscope ⓘ sonar ⓘ |
| hasVariant |
INS Kalvari (S21)
ⓘ
INS Karanj (S23) ⓘ INS Khanderi (S22) ⓘ INS Vagir (S25) ⓘ INS Vagsheer (S26) ⓘ INS Vela (S24) ⓘ |
| hasWeaponSystem |
anti-ship cruise missiles
ⓘ
torpedoes ⓘ |
| hullType | single-hull ⓘ |
| intendedUse |
deterrence patrols
ⓘ
maritime security ⓘ sea denial ⓘ |
| navalProgram | Project 75 (India) ⓘ |
| numberOfBoatsPlanned | 6 ⓘ |
| operator | Indian Navy ⓘ |
| powerPlant |
diesel generators
ⓘ
electric motor ⓘ |
| primaryRole |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ |
| propulsionType | diesel-electric ⓘ |
| serviceBranch |
Indian Navy submarine arm
ⓘ
surface form:
Indian Navy Submarine Arm
|
| stealthFeature |
low acoustic signature
ⓘ
low radiated noise ⓘ reduced magnetic signature ⓘ |
| submarineType | conventional submarine ⓘ |
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: Kalvari-class submarine Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Scorpène-class submarine
this entity surface form:
Scorpène-class submarine