Île d’If
E361792
Île d’If is a small Mediterranean island off the coast of Marseille, France, best known as the site of the former fortress-prison made famous by Alexandre Dumas’ novel "The Count of Monte Cristo."
All labels observed (1)
| Label | Occurrences |
|---|---|
| Île d’If canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3467686 — 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 d’If Context triple: [Château d’If, locatedOn, Île d’If]
-
A.
Île des Faisans
Île des Faisans is a small, uninhabited river island in the Bidasoa River that serves as a unique Franco-Spanish condominium and historical diplomatic site.
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B.
Île Jésus
Île Jésus is a large island in southwestern Quebec, Canada, that forms most of the territory of the city of Laval just north of Montreal.
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C.
Île de la Paix
Île de la Paix is a small, picturesque island on Lake Geneva near Villeneuve, Switzerland, known for its solitary tree and tranquil, scenic setting.
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D.
Île Verte
Île Verte is a small French island located in the Gironde estuary, known for its natural landscapes and role in local estuarine ecology.
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E.
Île de la Chèvre
Île de la Chèvre is a small, uninhabited island located in France’s Lac du Bourget, known for its natural setting and lakeside scenery.
- 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 d’If Target entity description: Île d’If is a small Mediterranean island off the coast of Marseille, France, best known as the site of the former fortress-prison made famous by Alexandre Dumas’ novel "The Count of Monte Cristo."
-
A.
Île des Faisans
Île des Faisans is a small, uninhabited river island in the Bidasoa River that serves as a unique Franco-Spanish condominium and historical diplomatic site.
-
B.
Île Jésus
Île Jésus is a large island in southwestern Quebec, Canada, that forms most of the territory of the city of Laval just north of Montreal.
-
C.
Île de la Paix
Île de la Paix is a small, picturesque island on Lake Geneva near Villeneuve, Switzerland, known for its solitary tree and tranquil, scenic setting.
-
D.
Île Verte
Île Verte is a small French island located in the Gironde estuary, known for its natural landscapes and role in local estuarine ecology.
-
E.
Île de la Chèvre
Île de la Chèvre is a small, uninhabited island located in France’s Lac du Bourget, known for its natural setting and lakeside scenery.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Mediterranean island
ⓘ
former prison ⓘ fortress ⓘ island ⓘ |
| accessibleBy | boat ⓘ |
| administrativeAuthority |
Marseille
ⓘ
surface form:
city of Marseille
|
| appearsInAdaptationOf | film adaptations of The Count of Monte Cristo ⓘ |
| author | Alexandre Dumas ⓘ |
| builtBy |
Francis I of France
ⓘ
surface form:
King Francis I of France
|
| constructedStructure |
Château d’If
ⓘ
surface form:
Château d’If fortress
|
| constructionStart | 1524 ⓘ |
| coordinateSystem | WGS84 ⓘ |
| country | France ⓘ |
| distanceFromMarseille | about 1.5 kilometers offshore ⓘ |
| featuredIn |
The Count of Monte Cristo
ⓘ
surface form:
novel The Count of Monte Cristo
|
| fictionalPrisonerHeld |
Abbé Faria
ⓘ
Edmond Dantès ⓘ |
| hasCoastlineType | rocky shores ⓘ |
| hasCulturalSignificance |
French literature
ⓘ
popular culture ⓘ |
| hasStructure | Château d’If ⓘ |
| heritageStatus | historic monument of France ⓘ |
| knownFor |
association with Alexandre Dumas
ⓘ
former fortress-prison ⓘ setting of The Count of Monte Cristo ⓘ |
| languageOfToponym | French ⓘ |
| laterUse | state prison ⓘ |
| locatedIn |
Bay of Marseille
ⓘ
Bouches-du-Rhône ⓘ Mediterranean Sea ⓘ Provence-Alpes-Côte d’Azur ⓘ |
| locatedNear | Marseille ⓘ |
| locatedOn | Île d’If self-linksurface differs ⓘ |
| managedBy |
France
ⓘ
surface form:
French state
|
| nameMeaning | Island of If ⓘ |
| nearbyIslands |
Pomègues
ⓘ
Ratonneau ⓘ |
| openToPublic | yes ⓘ |
| partOf |
Frioul Islands
ⓘ
surface form:
Frioul archipelago
|
| purpose | coastal defense of Marseille ⓘ |
| region | southern France ⓘ |
| symbolOf | wrongful imprisonment in literature ⓘ |
| touristAttraction | yes ⓘ |
| useAsPrisonUntil | late 19th century ⓘ |
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 d’If Description of subject: Île d’If is a small Mediterranean island off the coast of Marseille, France, best known as the site of the former fortress-prison made famous by Alexandre Dumas’ novel "The Count of Monte Cristo."
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.