Île Longue naval base
E911321
Île Longue naval base is France’s primary nuclear submarine facility, hosting and supporting the country’s seaborne nuclear deterrent force.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Île Longue submarine base | 2 |
| Île Longue naval base canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11217845 — 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: Île Longue naval base Context triple: [Force océanique stratégique, garrison, Île Longue naval base]
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A.
Naval Station Argentia
Naval Station Argentia was a major United States Navy base in Newfoundland, Canada, that served as a key Atlantic anti-submarine warfare and communications hub during World War II and the Cold War.
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B.
CFB Valcartier
CFB Valcartier is a major Canadian Army base in Quebec that serves as a key training and operational hub for mechanized and other land forces.
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C.
Ostend Naval Base
Ostend Naval Base is a key Belgian naval installation on the North Sea coast, serving as an operational hub for the country’s maritime defense and support activities.
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D.
Lora Naval Base
Lora Naval Base is a major Croatian naval installation located in Split, serving as a key operational and logistical hub for the Croatian Navy.
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E.
La Pointe-de-l’Île
La Pointe-de-l’Île is a federal electoral district located in the eastern part of Montreal, Quebec, represented in the House of Commons of Canada.
- 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: Île Longue naval base Target entity description: Île Longue naval base is France’s primary nuclear submarine facility, hosting and supporting the country’s seaborne nuclear deterrent force.
-
A.
Naval Station Argentia
Naval Station Argentia was a major United States Navy base in Newfoundland, Canada, that served as a key Atlantic anti-submarine warfare and communications hub during World War II and the Cold War.
-
B.
CFB Valcartier
CFB Valcartier is a major Canadian Army base in Quebec that serves as a key training and operational hub for mechanized and other land forces.
-
C.
Ostend Naval Base
Ostend Naval Base is a key Belgian naval installation on the North Sea coast, serving as an operational hub for the country’s maritime defense and support activities.
-
D.
Lora Naval Base
Lora Naval Base is a major Croatian naval installation located in Split, serving as a key operational and logistical hub for the Croatian Navy.
-
E.
La Pointe-de-l’Île
La Pointe-de-l’Île is a federal electoral district located in the eastern part of Montreal, Quebec, represented in the House of Commons of Canada.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
military installation
ⓘ
naval base ⓘ nuclear submarine base ⓘ |
| access | restricted to authorized military personnel ⓘ |
| associatedWith |
French nuclear doctrine
NERFINISHED
ⓘ
submarine-launched ballistic missiles (SLBMs) ⓘ |
| branch | Marine nationale NERFINISHED ⓘ |
| builtFor | deployment of Redoutable-class SSBNs ⓘ |
| constructionStart | 1960s ⓘ |
| controlledBy | French Ministry of Armed Forces NERFINISHED ⓘ |
| country | France ⓘ |
| garrison | Force océanique stratégique personnel ⓘ |
| hasFacility |
command and control center
ⓘ
dry docks ⓘ logistics and supply facilities ⓘ maintenance workshops ⓘ missile storage bunkers ⓘ security perimeter and checkpoints ⓘ submarine pens ⓘ warhead storage bunkers ⓘ |
| homeportOf |
French SSBN fleet
ⓘ
Le Terrible NERFINISHED ⓘ Le Triomphant NERFINISHED ⓘ Le Téméraire NERFINISHED ⓘ Le Vigilant NERFINISHED ⓘ Triomphant-class ballistic missile submarines NERFINISHED ⓘ |
| locatedIn |
Brittany
ⓘ
Finistère department NERFINISHED ⓘ Western France ⓘ
surface form:
northwestern France
roadstead of Brest ⓘ Île Longue NERFINISHED ⓘ |
| near | Brest, France NERFINISHED ⓘ |
| nuclearWeaponsRelated | yes ⓘ |
| operator | French Navy NERFINISHED ⓘ |
| partOf |
Force océanique stratégique
NERFINISHED
ⓘ
French strategic nuclear forces NERFINISHED ⓘ |
| primaryRole | hosting France’s nuclear ballistic missile submarine fleet ⓘ |
| securityLevel | highly restricted area ⓘ |
| status | active ⓘ |
| strategicImportance |
central element of French nuclear deterrence
ⓘ
ensures continuous at-sea deterrent patrols ⓘ |
| usedFor |
crew training and support
ⓘ
deployment of France’s seaborne nuclear deterrent ⓘ maintenance of nuclear submarines ⓘ storage of nuclear warheads ⓘ storage of submarine-launched ballistic missiles ⓘ support of ballistic missile submarines ⓘ |
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: Île Longue naval base Description of subject: Île Longue naval base is France’s primary nuclear submarine facility, hosting and supporting the country’s seaborne nuclear deterrent force.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Île Longue submarine base
this entity surface form:
Île Longue submarine base