Den Helder Naval Base
E141884
Den Helder Naval Base is the principal home port and operational hub of the Royal Netherlands Navy, located at the northern tip of the Dutch mainland.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Den Helder | 7 |
| Den Helder Naval Base canonical | 3 |
| Marinebasis Den Helder | 1 |
| Naval Air Station De Kooy | 1 |
| Royal Naval Institute at Willemsoord | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1248715 — 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: Den Helder Naval Base Context triple: [Royal Netherlands Navy, garrison, Den Helder Naval Base]
-
A.
Lyness Naval Base
Lyness Naval Base is a former Royal Navy base on the island of Hoy in Orkney, Scotland, that served as a key anchorage and support facility for the British fleet during both World Wars.
-
B.
Holland harbor
Holland Harbor is a port on the eastern shore of Lake Michigan that serves the city of Holland, Michigan, providing access between Lake Macatawa and the open lake.
-
C.
Terneuzen port
Terneuzen port is a major Dutch seaport and industrial hub on the Western Scheldt, known for its role in maritime trade and access to the Ghent–Terneuzen Canal.
-
D.
Rota Naval Base
Rota Naval Base is a major Spanish naval installation in southern Spain that also serves as a key strategic hub for NATO and U.S. naval operations in the Atlantic and Mediterranean.
-
E.
Stellendam
Stellendam is a small village in the western Netherlands, located on the island of Goeree-Overflakkee and known for its fishing harbor and proximity to the North Sea.
- 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: Den Helder Naval Base Target entity description: Den Helder Naval Base is the principal home port and operational hub of the Royal Netherlands Navy, located at the northern tip of the Dutch mainland.
-
A.
Lyness Naval Base
Lyness Naval Base is a former Royal Navy base on the island of Hoy in Orkney, Scotland, that served as a key anchorage and support facility for the British fleet during both World Wars.
-
B.
Holland harbor
Holland Harbor is a port on the eastern shore of Lake Michigan that serves the city of Holland, Michigan, providing access between Lake Macatawa and the open lake.
-
C.
Terneuzen port
Terneuzen port is a major Dutch seaport and industrial hub on the Western Scheldt, known for its role in maritime trade and access to the Ghent–Terneuzen Canal.
-
D.
Rota Naval Base
Rota Naval Base is a major Spanish naval installation in southern Spain that also serves as a key strategic hub for NATO and U.S. naval operations in the Atlantic and Mediterranean.
-
E.
Stellendam
Stellendam is a small village in the western Netherlands, located on the island of Goeree-Overflakkee and known for its fishing harbor and proximity to the North Sea.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
military installation
ⓘ
naval base ⓘ |
| belongsTo | Ministry of Defence of the Netherlands ⓘ |
| country | Netherlands ⓘ |
| garrison | Royal Netherlands Navy personnel ⓘ |
| hasAlternativeName |
Den Helder Naval Base
ⓘ
surface form:
Marinebasis Den Helder
|
| hasAssociatedCity |
Den Helder, Netherlands
ⓘ
surface form:
Den Helder
|
| hasFacility |
accommodation for naval personnel
ⓘ
ammunition storage ⓘ command headquarters ⓘ dry docks ⓘ fuel storage ⓘ harbor facilities ⓘ logistics warehouses ⓘ maintenance workshops ⓘ training facilities ⓘ |
| hasFunction |
command and control of naval units
ⓘ
logistics support for naval vessels ⓘ maintenance of naval vessels ⓘ support naval operations ⓘ |
| hasInfrastructure |
navigation and port control systems
ⓘ
piers and quays for naval vessels ⓘ road and rail connections to Den Helder ⓘ security perimeter ⓘ |
| hasLanguage | Dutch ⓘ |
| hasPortFunction | home port for Dutch naval fleet ⓘ |
| hasSecurityRole |
protection of Dutch territorial waters
ⓘ
support to maritime surveillance and patrols ⓘ |
| locatedAt | northern tip of the Dutch mainland ⓘ |
| locatedIn | North Holland ⓘ |
| location |
Den Helder, Netherlands
ⓘ
surface form:
Den Helder
|
| nearbyWaterBody |
North Sea
ⓘ
Wadden Sea ⓘ |
| operator | Royal Netherlands Navy ⓘ |
| partOf | Dutch maritime defense infrastructure ⓘ |
| region | western Europe ⓘ |
| role |
operational hub of the Royal Netherlands Navy
ⓘ
principal home port of the Royal Netherlands Navy ⓘ |
| strategicImportance |
key base for North Sea operations
ⓘ
primary naval base of the Netherlands ⓘ |
| usedBy |
Netherlands Submarine Service
ⓘ
surface form:
Royal Netherlands Navy submarine service
Royal Netherlands Navy support vessels ⓘ Royal Netherlands Navy ⓘ
surface form:
Royal Netherlands Navy surface fleet
|
| usedFor |
deployment of Dutch naval forces
ⓘ
logistical resupply of naval units ⓘ maintenance cycles of Dutch naval ships ⓘ support of NATO maritime operations ⓘ training and exercises of naval personnel ⓘ |
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: Den Helder Naval Base Description of subject: Den Helder Naval Base is the principal home port and operational hub of the Royal Netherlands Navy, located at the northern tip of the Dutch mainland.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Den Helder
this entity surface form:
Den Helder
this entity surface form:
Den Helder
this entity surface form:
Royal Naval Institute at Willemsoord
this entity surface form:
Den Helder
this entity surface form:
Den Helder
this entity surface form:
Den Helder
subject surface form:
Royal Netherlands Navy
this entity surface form:
Den Helder
subject surface form:
Royal Netherlands Navy
this entity surface form:
Marinebasis Den Helder
this entity surface form:
Naval Air Station De Kooy