Keroman submarine base
E804142
Keroman submarine base is a massive World War II-era German U-boat bunker complex in Lorient, France, built by the Kriegsmarine as a key Atlantic submarine stronghold.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keroman submarine base canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9514244 — 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: Keroman submarine base Context triple: [2nd U-boat Flotilla, usedBase, Keroman submarine base]
-
A.
Philomel Naval Base
Philomel Naval Base is the principal Royal New Zealand Navy base located at Devonport in Auckland, serving as the country’s main naval headquarters and support facility.
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B.
Lumut Naval Base
Lumut Naval Base is a major Royal Malaysian Navy installation located in Lumut, Perak, serving as one of the country's primary naval operations and support centers.
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C.
Sepanggar Naval Base
Sepanggar Naval Base is a key Royal Malaysian Navy installation in Sabah, Malaysia, serving as a major operational hub for naval activities in the South China Sea region.
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D.
Pola Naval Base
Pola Naval Base was the principal naval station and strategic maritime stronghold of the Austro-Hungarian Empire on the Adriatic Sea.
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E.
Sandakan Naval Base
Sandakan Naval Base is a Royal Malaysian Navy installation in Sabah, Malaysia, serving as a key operational hub for maritime security and patrols in the eastern waters of the country.
- 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: Keroman submarine base Target entity description: Keroman submarine base is a massive World War II-era German U-boat bunker complex in Lorient, France, built by the Kriegsmarine as a key Atlantic submarine stronghold.
-
A.
Philomel Naval Base
Philomel Naval Base is the principal Royal New Zealand Navy base located at Devonport in Auckland, serving as the country’s main naval headquarters and support facility.
-
B.
Lumut Naval Base
Lumut Naval Base is a major Royal Malaysian Navy installation located in Lumut, Perak, serving as one of the country's primary naval operations and support centers.
-
C.
Sepanggar Naval Base
Sepanggar Naval Base is a key Royal Malaysian Navy installation in Sabah, Malaysia, serving as a major operational hub for naval activities in the South China Sea region.
-
D.
Pola Naval Base
Pola Naval Base was the principal naval station and strategic maritime stronghold of the Austro-Hungarian Empire on the Adriatic Sea.
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E.
Miinisadam Naval Base
Miinisadam Naval Base is the main naval installation of the Estonian Navy, serving as its primary home port and operational hub on the Baltic Sea.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
U-boat bunker
ⓘ
World War II site ⓘ military installation ⓘ submarine base ⓘ |
| associatedWith |
Atlantic convoy attacks
ⓘ
U-boat wolfpack operations ⓘ |
| builtBy | Kriegsmarine NERFINISHED ⓘ |
| builtFor | German U-boat arm NERFINISHED ⓘ |
| conflict | World War II ⓘ |
| constructionEnd | 1944 ⓘ |
| constructionStart | 1941 ⓘ |
| continent | Europe ⓘ |
| country | France ⓘ |
| currentUse |
heritage site
ⓘ
tourist attraction ⓘ |
| garrison | U-boat crews ⓘ |
| hasPart |
Keroman I
NERFINISHED
ⓘ
Keroman II NERFINISHED ⓘ Keroman III NERFINISHED ⓘ dry docks ⓘ pens ⓘ slipways ⓘ |
| heritageStatus | historic military site ⓘ |
| languageOfName | French ⓘ |
| locatedIn |
Brittany
NERFINISHED
ⓘ
France ⓘ Lorient NERFINISHED ⓘ Morbihan NERFINISHED ⓘ |
| material | reinforced concrete ⓘ |
| namedAfter | Keroman peninsula NERFINISHED ⓘ |
| near | Lorient harbour NERFINISHED ⓘ |
| notableFor |
massive concrete construction
ⓘ
resistance to bombing ⓘ |
| numberOfPens | more than 10 ⓘ |
| occupyingPowerDuringConstruction | Nazi Germany NERFINISHED ⓘ |
| operatorDuringWWII | German Navy NERFINISHED ⓘ |
| partOf | Atlantic Wall naval infrastructure NERFINISHED ⓘ |
| postwarUse |
French Navy base
ⓘ
industrial site ⓘ |
| primaryFunction |
Atlantic submarine stronghold
ⓘ
U-boat base ⓘ |
| roofThickness | up to several meters ⓘ |
| strategicRole |
Atlantic U-boat operations
ⓘ
Battle of the Atlantic NERFINISHED ⓘ |
| targetOf | Allied bombing ⓘ |
| usedBy |
German Navy
NERFINISHED
ⓘ
Kriegsmarine NERFINISHED ⓘ |
| usedFrom | 1941 ⓘ |
| usedUntil | 1945 ⓘ |
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: Keroman submarine base Description of subject: Keroman submarine base is a massive World War II-era German U-boat bunker complex in Lorient, France, built by the Kriegsmarine as a key Atlantic submarine stronghold.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.