Nice–Breil-sur-Roya railway
E630702
The Nice–Breil-sur-Roya railway is a scenic rail line in southeastern France that winds through the Alps, connecting the Mediterranean coast near Nice with inland mountain towns and the Roya Valley.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nice–Breil-sur-Roya railway canonical | 2 |
| Nice–Breil-sur-Roya line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6951602 — 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: Nice–Breil-sur-Roya railway Context triple: [Nice-Ville railway station, railwayLine, Nice–Breil-sur-Roya railway]
-
A.
Martigny–Châtelard Railway
The Martigny–Châtelard Railway is a Swiss narrow-gauge mountain railway line connecting Martigny to the French border en route to Chamonix, known for its scenic Alpine route and steep gradients.
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B.
Mulhouse–Kruth railway
The Mulhouse–Kruth railway is a regional rail line in eastern France that connects the city of Mulhouse with the upper Thur Valley in the Vosges mountains.
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C.
Lausanne–Villeneuve railway line
The Lausanne–Villeneuve railway line is a Swiss standard-gauge rail route along the north shore of Lake Geneva that connects Lausanne with the town of Villeneuve, serving numerous intermediate communities.
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D.
Mulhouse–Belfort railway
The Mulhouse–Belfort railway is a rail line in eastern France that connects the cities of Mulhouse and Belfort, serving as an important regional passenger and freight corridor.
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E.
Mulhouse–Thann railway
The Mulhouse–Thann railway is a regional rail line in eastern France that connects the city of Mulhouse with the town of Thann in the Alsace region.
- 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: Nice–Breil-sur-Roya railway Target entity description: The Nice–Breil-sur-Roya railway is a scenic rail line in southeastern France that winds through the Alps, connecting the Mediterranean coast near Nice with inland mountain towns and the Roya Valley.
-
A.
Martigny–Châtelard Railway
The Martigny–Châtelard Railway is a Swiss narrow-gauge mountain railway line connecting Martigny to the French border en route to Chamonix, known for its scenic Alpine route and steep gradients.
-
B.
Mulhouse–Kruth railway
The Mulhouse–Kruth railway is a regional rail line in eastern France that connects the city of Mulhouse with the upper Thur Valley in the Vosges mountains.
-
C.
Lausanne–Villeneuve railway line
The Lausanne–Villeneuve railway line is a Swiss standard-gauge rail route along the north shore of Lake Geneva that connects Lausanne with the town of Villeneuve, serving numerous intermediate communities.
-
D.
Mulhouse–Belfort railway
The Mulhouse–Belfort railway is a rail line in eastern France that connects the cities of Mulhouse and Belfort, serving as an important regional passenger and freight corridor.
-
E.
Mulhouse–Thann railway
The Mulhouse–Thann railway is a regional rail line in eastern France that connects the city of Mulhouse with the town of Thann in the Alsace region.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
railway line
ⓘ
scenic railway ⓘ |
| connectsCity | Nice ⓘ |
| connectsRegion |
Mediterranean coast
ⓘ
inland Alps ⓘ |
| connectsTo |
Mediterranean coast
ⓘ
Roya Valley ⓘ |
| connectsTown | Breil-sur-Roya ⓘ |
| country | France ⓘ |
| endPoint | Breil-sur-Roya ⓘ |
| followsValley | Roya Valley ⓘ |
| gauge | standard gauge ⓘ |
| geographicRegion |
Alpes-Maritimes department
ⓘ
linked to:
Alpes-Maritimes
|
| hasFeature |
bridges
ⓘ
tunnels ⓘ viaducts ⓘ |
| hasFunction |
regional connectivity
ⓘ
tourism promotion ⓘ |
| hasViewOf |
Alpine landscapes
ⓘ
Roya River ⓘ |
| infrastructureType | single-track railway (predominantly) ⓘ |
| knownFor |
mountain landscapes
ⓘ
scenic views ⓘ tunnels and viaducts ⓘ |
| locatedIn |
Alps
ⓘ
southeastern France ⓘ |
| locatedNear | Mediterranean Sea ⓘ |
| operator | French railway operators ⓘ |
| partOf | regional rail network of southeastern France ⓘ |
| passesThrough |
Alpine valleys
ⓘ
Roya Valley ⓘ mountain towns ⓘ |
| region | Provence-Alpes-Côte d’Azur ⓘ |
| scenicCategory | mountain railway ⓘ |
| serves | Roya Valley communities ⓘ |
| startPoint | Nice ⓘ |
| terminus |
Breil-sur-Roya
ⓘ
Nice ⓘ |
| terrain | mountainous ⓘ |
| transportMode | rail ⓘ |
| usedBy |
regional trains
ⓘ
tourist trains ⓘ |
| usedFor |
passenger transport
ⓘ
tourist transport ⓘ |
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: Nice–Breil-sur-Roya railway Description of subject: The Nice–Breil-sur-Roya railway is a scenic rail line in southeastern France that winds through the Alps, connecting the Mediterranean coast near Nice with inland mountain towns and the Roya Valley.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nice–Breil-sur-Roya railway