Adif
E369133
Adif is Spain’s state-owned railway infrastructure manager responsible for the construction, maintenance, and operation of most of the country’s rail network and stations.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Adif canonical | 12 |
| ADIF Alta Velocidad | 3 |
| Adif rail infrastructure | 1 |
| Adif railway network | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3562148 — 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: Adif Context triple: [Valladolid-Campo Grande railway station, operator, Adif]
-
A.
Ouigo
Ouigo is a low-cost high-speed train service operated by France's SNCF, offering budget TGV travel with simplified onboard services.
-
B.
Renfe Operadora
Renfe Operadora is Spain’s national state-owned railway company, responsible for operating most passenger and freight rail services across the country.
-
C.
Abellio
Abellio is a Dutch-based public transport company that operates train and bus services in the United Kingdom and parts of Europe.
-
D.
Thalys
Thalys is a high-speed international train service connecting major cities in France, Belgium, the Netherlands, and Germany.
-
E.
Rodalies de Catalunya
Rodalies de Catalunya is the commuter rail network serving Catalonia, centered on Barcelona and operated under the Renfe system.
- 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: Adif Target entity description: Adif is Spain’s state-owned railway infrastructure manager responsible for the construction, maintenance, and operation of most of the country’s rail network and stations.
-
A.
Ouigo
Ouigo is a low-cost high-speed train service operated by France's SNCF, offering budget TGV travel with simplified onboard services.
-
B.
Renfe Operadora
Renfe Operadora is Spain’s national state-owned railway company, responsible for operating most passenger and freight rail services across the country.
-
C.
Abellio
Abellio is a Dutch-based public transport company that operates train and bus services in the United Kingdom and parts of Europe.
-
D.
Thalys
Thalys is a high-speed international train service connecting major cities in France, Belgium, the Netherlands, and Germany.
-
E.
Rodalies de Catalunya
Rodalies de Catalunya is the commuter rail network serving Catalonia, centered on Barcelona and operated under the Renfe system.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
public enterprise
ⓘ
railway infrastructure manager ⓘ state-owned company ⓘ |
| allocates | railway capacity on the Spanish network ⓘ |
| collaboratesWith | Renfe Operadora ⓘ |
| collects | track access charges from railway undertakings ⓘ |
| country | Spain ⓘ |
| foundedBy |
Government of Spain
ⓘ
linked to:
Spanish government
|
| fullName | Administrador de Infraestructuras Ferroviarias ⓘ |
| hasRole | infrastructure manager under EU railway directives ⓘ |
| headquartersCountry | Spain ⓘ |
| headquartersLocation | Madrid ⓘ |
| implements | rail infrastructure investment projects in Spain ⓘ |
| industry |
rail transport infrastructure
ⓘ
railway station management ⓘ |
| jurisdiction | Spain ⓘ |
| languageOfWorkOrName | Spanish ⓘ |
| legalForm | Entidad Pública Empresarial ⓘ |
| manages |
Spanish conventional rail network
ⓘ
Spanish high-speed rail network ⓘ railway stations in Spain ⓘ |
| memberOf | European rail infrastructure managers community ⓘ |
| operates |
railway signaling systems in Spain
ⓘ
railway traffic control centers in Spain ⓘ |
| operatesIn |
Iberian-gauge rail network in Spain
ⓘ
standard-gauge high-speed rail network in Spain ⓘ |
| owner |
Government of Spain
ⓘ
linked to:
Spanish government
|
| parentOrganization | Ministry of Transport and Sustainable Mobility of Spain ⓘ |
| predecessor |
Red Nacional de los Ferrocarriles Españoles (RENFE) infrastructure division
ⓘ
linked to:
Spanish railway network
|
| publicService |
provision of rail infrastructure for freight services
ⓘ
provision of rail infrastructure for passenger services ⓘ |
| regulates | access to Spanish railway infrastructure for train operating companies ⓘ |
| responsibleFor |
construction of railway infrastructure in Spain
ⓘ
maintenance of railway infrastructure in Spain ⓘ management of most railway stations in Spain ⓘ operation of most of Spain’s rail network ⓘ |
| sector | public sector ⓘ |
| shortName | Adif ⓘ |
| subjectOf | Spanish railway policy and regulation ⓘ |
| subjectTo |
European Union railway legislation
ⓘ
Spanish national transport law ⓘ |
| supervisedBy | Spanish Ministry of Transport and Sustainable Mobility ⓘ |
| typeOfBusiness | rail infrastructure management ⓘ |
| website | https://www.adif.es ⓘ |
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: Adif Description of subject: Adif is Spain’s state-owned railway infrastructure manager responsible for the construction, maintenance, and operation of most of the country’s rail network and stations.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Adif
linked to: Adif
linked to: Adif
linked to: Adif
linked to: Adif