Compagnie Eiffage du Viaduc de Millau
E461863
Compagnie Eiffage du Viaduc de Millau is the Eiffage-led company responsible for the concession, operation, and maintenance of France’s landmark Millau Viaduct.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Compagnie Eiffage du Viaduc de Millau canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4680372 — 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: Compagnie Eiffage du Viaduc de Millau Context triple: [Millau Viaduct, operator, Compagnie Eiffage du Viaduc de Millau]
-
A.
Ponts et Chaussées
Ponts et Chaussées is a prestigious French engineering school renowned for training civil engineers and leaders in infrastructure, transportation, and environmental engineering.
-
B.
Tractebel
Tractebel is an international engineering and consulting company specializing in energy, water, and infrastructure projects.
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C.
Vinci SA
Vinci SA is a major French multinational concessions and construction company specializing in infrastructure development and management worldwide.
-
D.
Eiffel et Cie
Eiffel et Cie was the engineering and construction firm through which Gustave Eiffel carried out many of his major iron-structure projects in the late 19th century.
-
E.
Société d’Exploitation de la Tour Eiffel
Société d’Exploitation de la Tour Eiffel is the company responsible for managing, maintaining, and operating the Eiffel Tower as a major cultural and tourist site in Paris.
- 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: Compagnie Eiffage du Viaduc de Millau Target entity description: Compagnie Eiffage du Viaduc de Millau is the Eiffage-led company responsible for the concession, operation, and maintenance of France’s landmark Millau Viaduct.
-
A.
Ponts et Chaussées
Ponts et Chaussées is a prestigious French engineering school renowned for training civil engineers and leaders in infrastructure, transportation, and environmental engineering.
-
B.
Tractebel
Tractebel is an international engineering and consulting company specializing in energy, water, and infrastructure projects.
-
C.
Vinci SA
Vinci SA is a major French multinational concessions and construction company specializing in infrastructure development and management worldwide.
-
D.
Eiffel et Cie
Eiffel et Cie was the engineering and construction firm through which Gustave Eiffel carried out many of his major iron-structure projects in the late 19th century.
-
E.
Société d’Exploitation de la Tour Eiffel
Société d’Exploitation de la Tour Eiffel is the company responsible for managing, maintaining, and operating the Eiffel Tower as a major cultural and tourist site in Paris.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
concessionaire ⓘ infrastructure operator ⓘ |
| associatedCity | Millau ⓘ |
| associatedDepartment | Aveyron ⓘ |
| associatedRegion | Occitanie ⓘ |
| associatedStructure | A75 motorway ⓘ |
| concessionGrantor |
French State
ⓘ
linked to:
French Republic
Ministry of Transport of France ⓘ |
| concessionType | public–private partnership ⓘ |
| country | France ⓘ |
| focus |
long-term operation of the Millau Viaduct
ⓘ
structural maintenance of the Millau Viaduct ⓘ user services on the Millau Viaduct ⓘ |
| hasFeature |
collects tolls from vehicles crossing the Millau Viaduct
ⓘ
responsible for heavy maintenance of the Millau Viaduct ⓘ responsible for routine inspections of the Millau Viaduct ⓘ responsible for safety management on the Millau Viaduct ⓘ |
| industry |
toll road operations
ⓘ
transport infrastructure ⓘ |
| languageOfWorkOrName | French ⓘ |
| legalForm | société (French company) ⓘ |
| mainAssetOperated | Millau Viaduct ⓘ |
| notableFor | being the concessionaire of one of the world’s tallest bridges ⓘ |
| notableWork | management of the Millau Viaduct ⓘ |
| operatesIn | France ⓘ |
| ownerOf | operating rights of the Millau Viaduct (concession period) ⓘ |
| parentCompany | Eiffage ⓘ |
| partOf |
Eiffage Group
ⓘ
linked to:
Eiffage
|
| relatedTo |
French motorway concessions
ⓘ
bridge operation and maintenance ⓘ |
| responsibleFor |
concession of the Millau Viaduct
ⓘ
maintenance of the Millau Viaduct ⓘ operation of the Millau Viaduct ⓘ |
| sector | road transport ⓘ |
| tollCollection | yes ⓘ |
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: Compagnie Eiffage du Viaduc de Millau Description of subject: Compagnie Eiffage du Viaduc de Millau is the Eiffage-led company responsible for the concession, operation, and maintenance of France’s landmark Millau Viaduct.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.