Martigny–Châtelard Railway
E600172
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Martigny–Châtelard Railway canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6553990 — 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: Martigny–Châtelard Railway Context triple: [Martigny, railwayJunctionOf, Martigny–Châtelard Railway]
-
A.
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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B.
Geneva–La Plaine railway line
The Geneva–La Plaine railway line is a regional rail route in the canton of Geneva, Switzerland, connecting central Geneva with its western suburbs and the French border.
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C.
Vevey–Chexbres railway line
The Vevey–Chexbres railway line is a short Swiss branch line in the canton of Vaud that climbs from the lakeside town of Vevey into the Lavaux vineyards, offering scenic connections to the main Lausanne–Bern route.
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D.
Lausanne–Yverdon railway line
The Lausanne–Yverdon railway line is a key standard-gauge rail route in western Switzerland that connects the cities of Lausanne and Yverdon-les-Bains through the canton of Vaud.
-
E.
Paris–Lausanne railway
The Paris–Lausanne railway is an international rail line connecting the French capital Paris with the Swiss city of Lausanne, serving as a major passenger and freight corridor between France and Switzerland.
- 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: Martigny–Châtelard Railway Target entity description: 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.
-
A.
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.
-
B.
Geneva–La Plaine railway line
The Geneva–La Plaine railway line is a regional rail route in the canton of Geneva, Switzerland, connecting central Geneva with its western suburbs and the French border.
-
C.
Vevey–Chexbres railway line
The Vevey–Chexbres railway line is a short Swiss branch line in the canton of Vaud that climbs from the lakeside town of Vevey into the Lavaux vineyards, offering scenic connections to the main Lausanne–Bern route.
-
D.
Lausanne–Yverdon railway line
The Lausanne–Yverdon railway line is a key standard-gauge rail route in western Switzerland that connects the cities of Lausanne and Yverdon-les-Bains through the canton of Vaud.
-
E.
Paris–Lausanne railway
The Paris–Lausanne railway is an international rail line connecting the French capital Paris with the Swiss city of Lausanne, serving as a major passenger and freight corridor between France and Switzerland.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
mountain railway
ⓘ
narrow-gauge railway ⓘ railway line ⓘ |
| borderCrossingRole | international rail connection between Switzerland and France ⓘ |
| category |
mountain railways in Switzerland
ⓘ
narrow-gauge railways in Switzerland ⓘ rail transport in Valais ⓘ |
| connectsTo |
French border
ⓘ
railway to Chamonix ⓘ |
| country | Switzerland ⓘ |
| crosses | Trient valley ⓘ |
| electrification | overhead line ⓘ |
| gauge |
1000 mm
ⓘ
metre gauge ⓘ |
| hasFeature |
bridges
ⓘ
rack railway sections ⓘ sharp curves ⓘ tunnels ⓘ |
| hasStation |
Le Châtelard-Frontière
ⓘ
Le Trétien ⓘ Les Marécottes ⓘ Martigny ⓘ Salvan ⓘ Vernayaz ⓘ |
| integration | connected to Swiss national rail network at Martigny ⓘ |
| knownFor |
scenic Alpine route
ⓘ
steep gradients ⓘ |
| locatedIn |
canton of Valais
ⓘ
linked to:
Canton of Valais
|
| opened | early 20th century ⓘ |
| operator | Transports de Martigny et Régions ⓘ |
| partOf |
Mont-Blanc Express route
ⓘ
linked to:
Mont-Blanc Express
|
| primaryPurpose | link Martigny with Chamonix area ⓘ |
| region | Alps ⓘ |
| safetySystem | rack-and-adhesion operation on steep sections ⓘ |
| serviceType |
passenger transport
ⓘ
tourist railway ⓘ |
| terminus |
Le Châtelard-Frontière
ⓘ
Martigny ⓘ |
| tourismAttraction |
Mont Blanc region views
ⓘ
Trient gorge views ⓘ |
| trackConfiguration | single track ⓘ |
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: Martigny–Châtelard Railway Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.