south Kaholmen battery
E675557
The south Kaholmen battery is a coastal artillery installation that formed part of Norway’s Oscarsborg Fortress, historically used to defend the Oslofjord.
All labels observed (1)
| Label | Occurrences |
|---|---|
| south Kaholmen battery canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7566332 — 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: south Kaholmen battery Context triple: [Oscarsborg Fortress, hasStructure, south Kaholmen battery]
-
A.
north Kaholmen battery
The north Kaholmen battery is a coastal artillery installation that formed part of Norway’s Oscarsborg Fortress, historically used to defend the approaches to Oslo.
-
B.
Angra Bay
Angra Bay is a natural harbor on Terceira Island in the Azores, Portugal, historically significant as a strategic Atlantic port and now known for its scenic coastal landscape.
-
C.
Cape Kiwanda
Cape Kiwanda is a scenic sandstone headland on the Oregon Coast known for its dramatic ocean views, towering dunes, and popular surfing and photography spots.
-
D.
Dampelas
Dampelas is an Austronesian language spoken in Central Sulawesi, Indonesia, belonging to the Tomini–Tolitoli subgroup.
-
E.
Brobenah
Brobenah is a rural locality within the Leeton Shire area of New South Wales, Australia.
- 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: south Kaholmen battery Target entity description: The south Kaholmen battery is a coastal artillery installation that formed part of Norway’s Oscarsborg Fortress, historically used to defend the Oslofjord.
-
A.
north Kaholmen battery
The north Kaholmen battery is a coastal artillery installation that formed part of Norway’s Oscarsborg Fortress, historically used to defend the approaches to Oslo.
-
B.
Angra Bay
Angra Bay is a natural harbor on Terceira Island in the Azores, Portugal, historically significant as a strategic Atlantic port and now known for its scenic coastal landscape.
-
C.
Cape Kiwanda
Cape Kiwanda is a scenic sandstone headland on the Oregon Coast known for its dramatic ocean views, towering dunes, and popular surfing and photography spots.
-
D.
Dampelas
Dampelas is an Austronesian language spoken in Central Sulawesi, Indonesia, belonging to the Tomini–Tolitoli subgroup.
-
E.
Brobenah
Brobenah is a rural locality within the Leeton Shire area of New South Wales, Australia.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
coastal artillery battery
ⓘ
military installation ⓘ |
| associatedWith | sinking of German cruiser Blücher ⓘ |
| builtFor | defense of Oslo ⓘ |
| controlledBy | Kingdom of Norway ⓘ |
| country | Norway ⓘ |
| currentUse | museum context within Oscarsborg Fortress ⓘ |
| garrisonedBy | Norwegian coastal artillery troops ⓘ |
| hasCategory |
Coastal fortifications in Norway
ⓘ
Military history of Norway ⓘ Oscarsborg Fortress ⓘ |
| hasFunction |
coastal defense
ⓘ
harbor defense ⓘ |
| hasPart |
ammunition magazines
ⓘ
fire-control positions ⓘ gun emplacements ⓘ underground facilities ⓘ |
| heritageStatus | historic military site ⓘ |
| locatedIn | Oslofjord ⓘ |
| locatedInAdministrativeEntity | Viken county ⓘ |
| locatedInBodyOfWater |
inner Oslofjord
ⓘ
linked to:
Oslofjord
|
| locatedInFormerAdministrativeEntity | Akershus county ⓘ |
| locatedNear | Drøbak ⓘ |
| locatedOn |
South Kaholmen island
ⓘ
linked to:
North Kaholmen island
|
| locatedOpposite | North Kaholmen ⓘ |
| openToPublic | yes ⓘ |
| operator |
Norwegian Armed Forces
ⓘ
Royal Norwegian Navy Coastal Artillery ⓘ
linked to:
Royal Norwegian Navy
|
| partOf |
Oscarsborg Fortress
ⓘ
defensive system of Oslofjord ⓘ fortifications of Oslofjord ⓘ
linked to:
Oslofjord fortifications
inner defenses of Oscarsborg Fortress ⓘ |
| significantFor |
Norwegian military history
ⓘ
coastal artillery history ⓘ |
| strategicImportance | control of narrowest point of Oslofjord near Drøbak ⓘ |
| timePeriod | 20th century ⓘ |
| usedFor | defense of approach to Oslo ⓘ |
| usedInConflict |
Second World War
ⓘ
linked to:
World War II
|
| usedInEvent |
Battle of Drøbak Sound
ⓘ
German invasion of Norway ⓘ
linked to:
Operation Weserübung
|
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: south Kaholmen battery Description of subject: The south Kaholmen battery is a coastal artillery installation that formed part of Norway’s Oscarsborg Fortress, historically used to defend the Oslofjord.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.