Tours–Saint-Nazaire railway
E754130
The Tours–Saint-Nazaire railway is a major French rail line in western France that connects the inland city of Tours with the Atlantic port city of Saint-Nazaire, serving both passenger and freight traffic.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tours–Saint-Nazaire railway canonical | 2 |
| Tours–Nantes railway | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8720721 — 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: Tours–Saint-Nazaire railway Context triple: [Gare de Saint-Pierre-des-Corps, onLine, Tours–Saint-Nazaire railway]
-
A.
Nantes–Pornic railway
The Nantes–Pornic railway is a regional rail line in western France connecting the city of Nantes with the coastal town of Pornic, serving both commuter and tourist traffic.
-
B.
Tramway de Tours
Tramway de Tours is the modern light rail system serving the city of Tours in central France, providing urban and suburban public transportation along dedicated tram lines.
-
C.
Railway Museum of Brest
The Railway Museum of Brest is a transport-focused museum in Brest, Belarus, showcasing a large collection of historic locomotives and rolling stock in an open-air setting.
-
D.
Nantes–Saint-Gilles-Croix-de-Vie railway
The Nantes–Saint-Gilles-Croix-de-Vie railway is a regional rail line in western France connecting the city of Nantes with the coastal town of Saint-Gilles-Croix-de-Vie.
-
E.
Nantes–Clisson railway
The Nantes–Clisson railway is a regional rail line in western France connecting the city of Nantes with the town of Clisson as part of the local passenger rail network.
- 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: Tours–Saint-Nazaire railway Target entity description: The Tours–Saint-Nazaire railway is a major French rail line in western France that connects the inland city of Tours with the Atlantic port city of Saint-Nazaire, serving both passenger and freight traffic.
-
A.
Nantes–Pornic railway
The Nantes–Pornic railway is a regional rail line in western France connecting the city of Nantes with the coastal town of Pornic, serving both commuter and tourist traffic.
-
B.
Tramway de Tours
Tramway de Tours is the modern light rail system serving the city of Tours in central France, providing urban and suburban public transportation along dedicated tram lines.
-
C.
Railway Museum of Brest
The Railway Museum of Brest is a transport-focused museum in Brest, Belarus, showcasing a large collection of historic locomotives and rolling stock in an open-air setting.
-
D.
Nantes–Saint-Gilles-Croix-de-Vie railway
The Nantes–Saint-Gilles-Croix-de-Vie railway is a regional rail line in western France connecting the city of Nantes with the coastal town of Saint-Gilles-Croix-de-Vie.
-
E.
Nantes–Clisson railway
The Nantes–Clisson railway is a regional rail line in western France connecting the city of Nantes with the town of Clisson as part of the local passenger rail network.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
railway infrastructure in France
ⓘ
railway line ⓘ |
| connects |
Saint-Nazaire
ⓘ
Tours ⓘ |
| connectsWith |
Atlantic port of Saint-Nazaire
ⓘ
linked to:
Port of Nantes-Saint-Nazaire
|
| country | France ⓘ |
| endPoint | Saint-Nazaire ⓘ |
| followsRiver | Loire ⓘ |
| gauge | standard gauge ⓘ |
| hasFunction | connect inland city to Atlantic port ⓘ |
| hasTerminus |
Saint-Nazaire railway station
ⓘ
Tours railway station ⓘ |
| importance | major rail line in western France ⓘ |
| locatedIn |
western France
ⓘ
linked to:
Western France
|
| locatedInAdministrativeTerritory |
Centre-Val de Loire
ⓘ
Pays de la Loire ⓘ |
| partOf | French railway network ⓘ |
| passesThrough | Loire Valley ⓘ |
| serviceType |
freight rail
ⓘ
intercity rail ⓘ regional rail ⓘ |
| startPoint | Tours ⓘ |
| trackType | heavy rail ⓘ |
| usedFor |
freight traffic
ⓘ
passenger traffic ⓘ |
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: Tours–Saint-Nazaire railway Description of subject: The Tours–Saint-Nazaire railway is a major French rail line in western France that connects the inland city of Tours with the Atlantic port city of Saint-Nazaire, serving both passenger and freight traffic.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tours–Saint-Nazaire railway