Nantes–La Roche-sur-Yon railway
E517997
The Nantes–La Roche-sur-Yon railway is a regional rail line in western France connecting the city of Nantes with La Roche-sur-Yon, serving as an important link within the Pays de la Loire transport network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nantes–La Roche-sur-Yon railway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5370034 — 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: Nantes–La Roche-sur-Yon railway Context triple: [Gare de Nantes, servesRailwayLine, Nantes–La Roche-sur-Yon railway]
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A.
Paris–Rennes railway
The Paris–Rennes railway is a major French rail line connecting the capital Paris with the city of Rennes in Brittany, serving numerous intermediate towns and regional hubs along its route.
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B.
Paris–Nantes railway
The Paris–Nantes railway is a major French rail line connecting the capital Paris with the city of Nantes in western France, serving as an important corridor for both passenger and freight transport.
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C.
Lyon–Saint-Étienne railway
The Lyon–Saint-Étienne railway is a major French rail line in the Auvergne-Rhône-Alpes region that connects the cities of Lyon and Saint-Étienne, serving both passenger and freight traffic.
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D.
Bordeaux–Lyon railway line
The Bordeaux–Lyon railway line is a major French rail route that links the Atlantic city of Bordeaux with the eastern city of Lyon, crossing central France.
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E.
Paris–Lyon railway
The Paris–Lyon railway is a major French mainline rail route connecting the capital Paris with the city of Lyon, serving as a key corridor for both passenger and freight traffic.
- 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: Nantes–La Roche-sur-Yon railway Target entity description: The Nantes–La Roche-sur-Yon railway is a regional rail line in western France connecting the city of Nantes with La Roche-sur-Yon, serving as an important link within the Pays de la Loire transport network.
-
A.
Paris–Rennes railway
The Paris–Rennes railway is a major French rail line connecting the capital Paris with the city of Rennes in Brittany, serving numerous intermediate towns and regional hubs along its route.
-
B.
Paris–Nantes railway
The Paris–Nantes railway is a major French rail line connecting the capital Paris with the city of Nantes in western France, serving as an important corridor for both passenger and freight transport.
-
C.
Lyon–Saint-Étienne railway
The Lyon–Saint-Étienne railway is a major French rail line in the Auvergne-Rhône-Alpes region that connects the cities of Lyon and Saint-Étienne, serving both passenger and freight traffic.
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D.
Bordeaux–Lyon railway line
The Bordeaux–Lyon railway line is a major French rail route that links the Atlantic city of Bordeaux with the eastern city of Lyon, crossing central France.
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E.
Paris–Lyon railway
The Paris–Lyon railway is a major French mainline rail route connecting the capital Paris with the city of Lyon, serving as a key corridor for both passenger and freight traffic.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| connects |
La Roche-sur-Yon
NERFINISHED
ⓘ
Nantes NERFINISHED ⓘ |
| country | France ⓘ |
| electrification | non-electrified ⓘ |
| gauge | standard gauge ⓘ |
| hasStation |
La Roche-sur-Yon station
NERFINISHED
ⓘ
Nantes station NERFINISHED ⓘ |
| importance | important link within Pays de la Loire transport network ⓘ |
| locatedIn | western France NERFINISHED ⓘ |
| locatedInRegion | Pays de la Loire NERFINISHED ⓘ |
| operator | SNCF NERFINISHED ⓘ |
| partOf | Pays de la Loire transport network NERFINISHED ⓘ |
| primaryFunction | regional connectivity ⓘ |
| railNetwork | French railway network ⓘ |
| regionServed |
Loire-Atlantique
NERFINISHED
ⓘ
Vendée NERFINISHED ⓘ |
| serviceType | TER Pays de la Loire NERFINISHED ⓘ |
| status | in operation ⓘ |
| terminus |
La Roche-sur-Yon
NERFINISHED
ⓘ
Nantes NERFINISHED ⓘ |
| trackType | conventional rail ⓘ |
| usedFor |
passenger transport
ⓘ
regional rail services ⓘ |
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: Nantes–La Roche-sur-Yon railway Description of subject: The Nantes–La Roche-sur-Yon railway is a regional rail line in western France connecting the city of Nantes with La Roche-sur-Yon, serving as an important link within the Pays de la Loire transport network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.