Tour de la Chaîne
E304713
Tour de la Chaîne is a historic medieval defensive tower guarding the entrance to the old harbor of La Rochelle on France’s Atlantic coast.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tour de la Chaîne canonical | 7 |
| Tour de la Lanterne | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2873606 — 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: Tour de la Chaîne Context triple: [La Rochelle, hasLandmark, Tour de la Chaîne]
-
A.
L’Étape du Tour
L’Étape du Tour is an annual mass-participation cyclosportive that lets amateur cyclists ride a full mountain stage of the Tour de France under race conditions.
-
B.
Critérium du Dauphiné Libéré
The Critérium du Dauphiné Libéré is a prestigious week-long professional cycling stage race in southeastern France, often used by top riders as a key preparation event for the Tour de France.
-
C.
Paris–Bordeaux
Paris–Bordeaux is a major high-speed rail corridor in France connecting the capital with the southwest, known for its fast TGV services.
-
D.
Paris–Nice
Paris–Nice is a prestigious early-season professional road cycling stage race in France, often seen as a key preparation event for the Grand Tours.
-
E.
TGV Paris–Nice
TGV Paris–Nice is a high-speed French train service connecting Paris with the Mediterranean city of Nice.
- 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: Tour de la Chaîne Target entity description: Tour de la Chaîne is a historic medieval defensive tower guarding the entrance to the old harbor of La Rochelle on France’s Atlantic coast.
-
A.
L’Étape du Tour
L’Étape du Tour is an annual mass-participation cyclosportive that lets amateur cyclists ride a full mountain stage of the Tour de France under race conditions.
-
B.
Critérium du Dauphiné Libéré
The Critérium du Dauphiné Libéré is a prestigious week-long professional cycling stage race in southeastern France, often used by top riders as a key preparation event for the Tour de France.
-
C.
Paris–Bordeaux
Paris–Bordeaux is a major high-speed rail corridor in France connecting the capital with the southwest, known for its fast TGV services.
-
D.
Paris–Nice
Paris–Nice is a prestigious early-season professional road cycling stage race in France, often seen as a key preparation event for the Grand Tours.
-
E.
TGV Paris–Nice
TGV Paris–Nice is a high-speed French train service connecting Paris with the Mediterranean city of Nice.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
coastal fortification
ⓘ
historic monument ⓘ medieval defensive tower ⓘ |
| architecturalStyle | medieval military architecture ⓘ |
| category |
Buildings and structures in La Rochelle
ⓘ
Fortifications in Nouvelle-Aquitaine ⓘ Towers in France ⓘ |
| country | France ⓘ |
| defensiveRole | controlled ship entry into La Rochelle harbor ⓘ |
| era | Middle Ages ⓘ |
| formsEnsembleWith |
Tour Saint-Nicolas
ⓘ
Tour de la Lanterne ⓘ |
| function |
control of access to La Rochelle harbor
ⓘ
harbor defense ⓘ |
| guarded | entrance to the old port of La Rochelle ⓘ |
| hasChainFunction | supported chain stretched across harbor entrance ⓘ |
| hasNearby |
Tour Saint-Nicolas
ⓘ
Tour de la Lanterne ⓘ |
| hasViewOf |
old harbor of La Rochelle
ⓘ
linked to:
Port of La Rochelle
|
| heritageCountry | France ⓘ |
| heritageDesignation | Monument historique ⓘ |
| heritageStatus | Monument historique of France ⓘ |
| isCoastalDefense | true ⓘ |
| locatedAt | entrance of the old harbor of La Rochelle ⓘ |
| locatedBy | Bay of Biscay ⓘ |
| locatedIn |
Charente-Maritime
ⓘ
France ⓘ La Rochelle ⓘ Nouvelle-Aquitaine ⓘ |
| locatedOn |
Atlantic coast of France
ⓘ
linked to:
French Atlantic coast
|
| material | stone ⓘ |
| nameLanguage | French ⓘ |
| nameMeaning | Chain Tower ⓘ |
| openToPublic | true ⓘ |
| partOf |
fortifications of La Rochelle
ⓘ
harbor defenses of La Rochelle ⓘ |
| region |
western France
ⓘ
linked to:
Western France
|
| touristAttraction | La Rochelle ⓘ |
| usedFor |
defense of La Rochelle
ⓘ
linked to:
Siege of La Rochelle (1627–1628)
|
| usedToSupport | harbor chain barrier ⓘ |
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: Tour de la Chaîne Description of subject: Tour de la Chaîne is a historic medieval defensive tower guarding the entrance to the old harbor of La Rochelle on France’s Atlantic coast.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tour de la Chaîne