HNLMS Walrus
E530872
HNLMS Walrus is a Dutch Walrus-class attack submarine known for its advanced stealth capabilities and service in the Royal Netherlands Navy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HNLMS Walrus canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5523438 — 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: HNLMS Walrus Context triple: [Netherlands Submarine Service, operates, HNLMS Walrus]
-
A.
HNLMS
HNLMS is a ship prefix used by the Royal Netherlands Navy, standing for "His/Her Netherlands Majesty's Ship."
-
B.
HNLMS Kortenaer
HNLMS Kortenaer was a Dutch Admiralen-class destroyer of the Royal Netherlands Navy that served in the early stages of World War II before being lost in combat against Japanese forces.
-
C.
Dutch destroyer Piet Hein
The Dutch destroyer Piet Hein was a Royal Netherlands Navy warship that served in the early stages of World War II in the Pacific, where it was sunk during the Japanese invasion of the Dutch East Indies.
-
D.
Dutch destroyer Witte de With
Dutch destroyer Witte de With was a Royal Netherlands Navy warship that served in the early stages of World War II, notably in the defense of the Dutch East Indies against Japanese forces.
-
E.
HMS Seahawk
HMS Seahawk is the Royal Navy’s air station at RNAS Culdrose in Cornwall, serving as a major base for naval aviation training and 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: HNLMS Walrus Target entity description: HNLMS Walrus is a Dutch Walrus-class attack submarine known for its advanced stealth capabilities and service in the Royal Netherlands Navy.
-
A.
HNLMS
HNLMS is a ship prefix used by the Royal Netherlands Navy, standing for "His/Her Netherlands Majesty's Ship."
-
B.
HNLMS Kortenaer
HNLMS Kortenaer was a Dutch Admiralen-class destroyer of the Royal Netherlands Navy that served in the early stages of World War II before being lost in combat against Japanese forces.
-
C.
Dutch destroyer Piet Hein
The Dutch destroyer Piet Hein was a Royal Netherlands Navy warship that served in the early stages of World War II in the Pacific, where it was sunk during the Japanese invasion of the Dutch East Indies.
-
D.
Dutch destroyer Witte de With
Dutch destroyer Witte de With was a Royal Netherlands Navy warship that served in the early stages of World War II, notably in the defense of the Dutch East Indies against Japanese forces.
-
E.
HMS Seahawk
HMS Seahawk is the Royal Navy’s air station at RNAS Culdrose in Cornwall, serving as a major base for naval aviation training and operations.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
Walrus-class submarine
ⓘ
submarine ⓘ |
| affiliation | NATO ⓘ |
| armament | torpedoes ⓘ |
| class |
Walrus class
ⓘ
linked to:
Walrus-class submarine
|
| constructionMaterial | steel hull ⓘ |
| country | Netherlands ⓘ |
| designedIn | Netherlands ⓘ |
| feature |
advanced stealth capabilities
ⓘ
long-range patrol capability ⓘ low acoustic signature ⓘ modern sonar systems ⓘ torpedo armament ⓘ |
| flag | flag of the Netherlands ⓘ |
| hasCapability |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ covert surveillance ⓘ special forces support ⓘ |
| hasCrewType | mixed-gender crew ⓘ |
| hasSensor |
electronic support measures
ⓘ
periscopes ⓘ sonar systems ⓘ |
| isPartOf |
Walrus-class submarine program
ⓘ
linked to:
Walrus-class submarine
|
| namedAfter | walrus ⓘ |
| navalFleet |
Royal Netherlands Navy Submarine Service
ⓘ
linked to:
Netherlands Submarine Service
|
| operator | Royal Netherlands Navy ⓘ |
| propulsionType | diesel-electric ⓘ |
| role |
attack submarine
ⓘ
intelligence-gathering platform ⓘ patrol submarine ⓘ |
| service |
Royal Netherlands Navy Submarine Service
ⓘ
linked to:
Netherlands Submarine Service
|
| serviceBranch | naval forces of the Netherlands ⓘ |
| shipPrefix | HNLMS ⓘ |
| status | in service (as of early 2020s) ⓘ |
| stealthFeature |
hull design optimized for low noise
ⓘ
noise-reducing machinery isolation ⓘ |
| submarineType | conventionally powered ⓘ |
| typeDesignation |
Walrus-class attack submarine
ⓘ
linked to:
Walrus-class submarine
|
| usedBy | Royal Netherlands Navy ⓘ |
| usedFor |
NATO operations
ⓘ
intelligence, surveillance and reconnaissance ⓘ national defense missions ⓘ |
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: HNLMS Walrus Description of subject: HNLMS Walrus is a Dutch Walrus-class attack submarine known for its advanced stealth capabilities and service in the Royal Netherlands Navy.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.