Muskö naval base
E561235
Muskö naval base is a major Swedish underground naval facility carved into rock on the island of Muskö, historically used by the Swedish Navy as a secure wartime and submarine base.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Muskö naval base canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6015950 — 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: Muskö naval base Context triple: [Muskö, knownFor, Muskö naval base]
-
A.
Haakonsvern Naval Base
Haakonsvern Naval Base is Norway’s largest naval base and the main operational hub of the Royal Norwegian Navy, located near Bergen.
-
B.
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.
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C.
Nynäshamn harbour
Nynäshamn harbour is a major Swedish port on the Baltic Sea, serving passenger ferries, cruise ships, and cargo traffic south of Stockholm.
-
D.
Borgholm harbor
Borgholm harbor is a small coastal port and marina serving the town of Borgholm on the Swedish island of Öland, known for leisure boating and tourism.
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E.
Naval Base Korsør
Naval Base Korsør is a Danish naval installation in Korsør that serves as a key operational and support hub for the Royal Danish Navy.
- 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: Muskö naval base Target entity description: Muskö naval base is a major Swedish underground naval facility carved into rock on the island of Muskö, historically used by the Swedish Navy as a secure wartime and submarine base.
-
A.
Haakonsvern Naval Base
Haakonsvern Naval Base is Norway’s largest naval base and the main operational hub of the Royal Norwegian Navy, located near Bergen.
-
B.
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.
-
C.
Nynäshamn harbour
Nynäshamn harbour is a major Swedish port on the Baltic Sea, serving passenger ferries, cruise ships, and cargo traffic south of Stockholm.
-
D.
Borgholm harbor
Borgholm harbor is a small coastal port and marina serving the town of Borgholm on the Swedish island of Öland, known for leisure boating and tourism.
-
E.
Naval Base Korsør
Naval Base Korsør is a Danish naval installation in Korsør that serves as a key operational and support hub for the Royal Danish Navy.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
naval base
ⓘ
underground facility ⓘ |
| access | restricted ⓘ |
| connectedBy | Muskö Tunnel ⓘ |
| constructedIn |
1950s
ⓘ
1960s ⓘ |
| constructionMaterial | rock ⓘ |
| country | Sweden ⓘ |
| designedFor |
submarine operations
ⓘ
surface combatants ⓘ wartime operations ⓘ |
| era | Cold War ⓘ |
| feature |
command facilities
ⓘ
maintenance facilities ⓘ rock caverns ⓘ shipyard facilities ⓘ submarine pens ⓘ tunnel system ⓘ underground docks ⓘ |
| hasCapability |
hosting naval staff
ⓘ
repair of submarines ⓘ repair of warships ⓘ |
| locatedIn |
Baltic Sea
ⓘ
Haninge Municipality ⓘ Stockholm County ⓘ |
| locatedOn | island of Muskö ⓘ |
| location | Muskö ⓘ |
| MusköTunnelLocation | under the Baltic Sea ⓘ |
| MusköTunnelType | road tunnel ⓘ |
| navalBranch |
Swedish submarine service
ⓘ
Swedish surface fleet ⓘ |
| notableFor |
being carved into solid rock
ⓘ
extensive tunnel network ⓘ large underground shipyard ⓘ |
| operator | Swedish Navy ⓘ |
| partOf |
Swedish Navy infrastructure
ⓘ
Swedish coastal defence system ⓘ |
| purpose |
protection against air attack
ⓘ
protection against nuclear attack ⓘ protection against surveillance ⓘ |
| securityLevel | high security facility ⓘ |
| status | active military base ⓘ |
| strategicRole |
naval logistics hub
ⓘ
naval repair base ⓘ secure wartime base ⓘ submarine base ⓘ |
| usedBy | Swedish Armed Forces ⓘ |
| usedDuring |
Cold War period
ⓘ
linked to:
Cold War
|
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: Muskö naval base Description of subject: Muskö naval base is a major Swedish underground naval facility carved into rock on the island of Muskö, historically used by the Swedish Navy as a secure wartime and submarine base.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.