Fort du Portalet
E62351
Fort du Portalet is a 19th-century French mountain fortress in the Pyrenees, later used as a prison during World War II, notably for detaining Marshal Philippe Pétain.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort du Portalet canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T500727 — 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: Fort du Portalet Context triple: [Philippe Pétain, placeOfDetention, Fort du Portalet]
-
A.
Fort Hackenberg
Fort Hackenberg is a massive French fortification complex in northeastern France that served as one of the largest and most important strongpoints of the Maginot Line.
-
B.
Fort George
Fort George is a massive 18th-century artillery fortress near Inverness in the Scottish Highlands, built after the Jacobite rising and renowned as one of the most outstanding fortifications of its kind in Europe.
-
C.
Fort Wadsworth
Fort Wadsworth is a historic former military installation and coastal defense fortification located at the Narrows in New York Harbor, now part of the Gateway National Recreation Area.
-
D.
Castillo San Cristóbal
Castillo San Cristóbal is a massive 18th-century Spanish fortress in San Juan, Puerto Rico, built to protect the city from land-based attacks and now part of a UNESCO World Heritage Site.
-
E.
Hel Fortress
Hel Fortress was a key Polish coastal stronghold on the Hel Peninsula that served as a major defensive position during the early fighting of World War II.
- 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: Fort du Portalet Target entity description: Fort du Portalet is a 19th-century French mountain fortress in the Pyrenees, later used as a prison during World War II, notably for detaining Marshal Philippe Pétain.
-
A.
Fort Hackenberg
Fort Hackenberg is a massive French fortification complex in northeastern France that served as one of the largest and most important strongpoints of the Maginot Line.
-
B.
Fort George
Fort George is a massive 18th-century artillery fortress near Inverness in the Scottish Highlands, built after the Jacobite rising and renowned as one of the most outstanding fortifications of its kind in Europe.
-
C.
Fort Wadsworth
Fort Wadsworth is a historic former military installation and coastal defense fortification located at the Narrows in New York Harbor, now part of the Gateway National Recreation Area.
-
D.
Castillo San Cristóbal
Castillo San Cristóbal is a massive 18th-century Spanish fortress in San Juan, Puerto Rico, built to protect the city from land-based attacks and now part of a UNESCO World Heritage Site.
-
E.
Hel Fortress
Hel Fortress was a key Polish coastal stronghold on the Hel Peninsula that served as a major defensive position during the early fighting of World War II.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
fortress
ⓘ
historical monument ⓘ mountain fortress ⓘ |
| abandoned | 1950s ⓘ |
| accessVia | road along the Gave d’Aspe ⓘ |
| architecturalStyle | 19th-century military architecture ⓘ |
| builtBy | Kingdom of France ⓘ |
| builtInCentury | 19th century ⓘ |
| builtUnder |
Louis-Philippe I of the French
ⓘ
surface form:
Louis-Philippe I
|
| constructionEnd | 1870 ⓘ |
| constructionStart | 1842 ⓘ |
| country | France ⓘ |
| elevation | approximately 765 metres ⓘ |
| faces | cliff over the Gave d’Aspe ⓘ |
| garrisonedBy | French Army ⓘ |
| hasFeature |
barracks
ⓘ
casemates ⓘ ramparts ⓘ watchtowers ⓘ |
| heritageStatus | listed historic site ⓘ |
| locatedIn |
Aspe Valley
ⓘ
Nouvelle-Aquitaine ⓘ Pyrenees ⓘ Pyrénées-Atlantiques ⓘ |
| locatedNear |
Spanish border
ⓘ
Urdos ⓘ |
| locatedOn |
Gave de Pau
ⓘ
surface form:
Gave d’Aspe
|
| material | stone ⓘ |
| notablePrisoner |
Georges Mandel
ⓘ
Léon Blum ⓘ Paul Reynaud ⓘ Philippe Pétain ⓘ Robert Jacomet ⓘ Édouard Daladier ⓘ |
| openToPublic | yes ⓘ |
| overlooks |
Gave de Pau
ⓘ
surface form:
Gave d’Aspe
|
| ownership | Commune of Urdos ⓘ |
| periodOfUseAsPrison | 1941–1945 ⓘ |
| purpose |
control of the Aspe Valley route to Spain
ⓘ
defense of the Pyrenean border ⓘ |
| region | southwestern France ⓘ |
| restorationStart | 1990s ⓘ |
| tourismActivity | guided tours ⓘ |
| usedAs |
internment site during World War II
ⓘ
military fortress ⓘ state prison ⓘ |
| usedDuringConflict |
Franco-Prussian War
ⓘ
World War II ⓘ |
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: Fort du Portalet Description of subject: Fort du Portalet is a 19th-century French mountain fortress in the Pyrenees, later used as a prison during World War II, notably for detaining Marshal Philippe Pétain.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.