INS Arighat
E337433
INS Arighat is an Indian nuclear-powered ballistic missile submarine that forms part of India’s strategic nuclear deterrent force.
All labels observed (1)
| Label | Occurrences |
|---|---|
| INS Arighat canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3227656 — 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: INS Arighat Context triple: [Indian Navy, hasBallisticMissileSubmarine, INS Arighat]
-
A.
Japanese cruiser Chokai
Japanese cruiser Chokai was a Takao-class heavy cruiser of the Imperial Japanese Navy that played a major role in early Pacific War engagements before being sunk in 1944.
-
B.
Japanese cruiser Naniwa
Japanese cruiser Naniwa was a late 19th-century protected cruiser of the Imperial Japanese Navy that gained prominence during the First Sino-Japanese War.
-
C.
Japanese cruiser Yoshino
Japanese cruiser Yoshino was a protected cruiser of the Imperial Japanese Navy, noted for its high speed and significant role in early engagements of the First Sino-Japanese War.
-
D.
Japanese cruiser Kinugasa
Japanese cruiser Kinugasa was an Imperial Japanese Navy Aoba-class heavy cruiser that saw extensive action in the Pacific during World War II before being sunk in 1942.
-
E.
Japanese cruiser Tenryu
Japanese cruiser Tenryu was a World War II Imperial Japanese Navy light cruiser that participated in several early Pacific War engagements, including the Guadalcanal campaign.
- 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: INS Arighat Target entity description: INS Arighat is an Indian nuclear-powered ballistic missile submarine that forms part of India’s strategic nuclear deterrent force.
-
A.
Japanese cruiser Chokai
Japanese cruiser Chokai was a Takao-class heavy cruiser of the Imperial Japanese Navy that played a major role in early Pacific War engagements before being sunk in 1944.
-
B.
Japanese cruiser Naniwa
Japanese cruiser Naniwa was a late 19th-century protected cruiser of the Imperial Japanese Navy that gained prominence during the First Sino-Japanese War.
-
C.
Japanese cruiser Yoshino
Japanese cruiser Yoshino was a protected cruiser of the Imperial Japanese Navy, noted for its high speed and significant role in early engagements of the First Sino-Japanese War.
-
D.
Japanese cruiser Kinugasa
Japanese cruiser Kinugasa was an Imperial Japanese Navy Aoba-class heavy cruiser that saw extensive action in the Pacific during World War II before being sunk in 1942.
-
E.
Japanese cruiser Tenryu
Japanese cruiser Tenryu was a World War II Imperial Japanese Navy light cruiser that participated in several early Pacific War engagements, including the Guadalcanal campaign.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
nuclear-powered ballistic missile submarine
ⓘ
ship ⓘ submarine ⓘ |
| affiliation |
Strategic Forces Command (India)
ⓘ
linked to:
Strategic Forces Command
|
| armamentType |
nuclear-capable missiles
ⓘ
submarine-launched ballistic missiles ⓘ |
| builder |
Bhabha Atomic Research Centre (for nuclear systems, oversight)
ⓘ
linked to:
Atomic Energy Establishment, Trombay
Ship Building Centre, Visakhapatnam ⓘ |
| category |
Arihant-class submarines
ⓘ
linked to:
Arihant-class submarine
Ballistic missile submarines ⓘ Nuclear-powered submarines of India ⓘ Ships of the Indian Navy ⓘ |
| country | India ⓘ |
| designedFor |
nuclear strike missions
ⓘ
strategic deterrence ⓘ |
| flag | India ⓘ |
| hasCapability |
long-endurance submerged patrols
ⓘ
stealthy nuclear deterrent patrols ⓘ |
| hasHullType | double-hull design ⓘ |
| hasReactorType | pressurized water reactor ⓘ |
| launchLocation |
Visakhapatnam
ⓘ
linked to:
Vizagapatam
|
| namedAfter | Arighat ⓘ |
| navalCommand | Eastern Naval Command ⓘ |
| operator | Indian Navy ⓘ |
| partOf |
Indian nuclear triad
ⓘ
India’s strategic nuclear deterrent force ⓘ |
| precededBy | INS Arihant ⓘ |
| program |
Indian strategic submarine program
ⓘ
linked to:
Indian Navy submarine arm
|
| propulsion | nuclear-powered ⓘ |
| serviceBranch |
Submarine Arm of the Indian Navy
ⓘ
linked to:
Indian Navy submarine arm
|
| shipClass | Arihant-class submarine ⓘ |
| shipRole | ballistic missile submarine ⓘ |
| strategicRole |
sea-based nuclear deterrent
ⓘ
second-strike capability platform ⓘ |
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: INS Arighat Description of subject: INS Arighat is an Indian nuclear-powered ballistic missile submarine that forms part of India’s strategic nuclear deterrent force.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.