Great St Bernard Tunnel
E389716
The Great St Bernard Tunnel is a major road tunnel through the Alps that provides a year-round transalpine route between Switzerland and Italy beneath the Great St Bernard Pass.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Great St Bernard Tunnel canonical | 2 |
| Tunnel du Grand-Saint-Bernard | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3789082 — 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: Great St Bernard Tunnel Context triple: [Great St Bernard Pass, hasTunnelBelow, Great St Bernard Tunnel]
-
A.
Mont Blanc Tunnel
The Mont Blanc Tunnel is a major trans-Alpine road tunnel linking France and Italy beneath the Mont Blanc massif, serving as a key route for international traffic through the Alps.
-
B.
Vielha Tunnel
Vielha Tunnel is a major road tunnel in the central Pyrenees that provides a key transport link connecting the Val d’Aran with the rest of Catalonia and Spain.
-
C.
Léman Pass
Léman Pass is a regional fare system that allows integrated ticketing and seamless travel across multiple public transport networks in the Greater Geneva area and surrounding cross-border regions.
-
D.
Great St Bernard Pass
The Great St Bernard Pass is a high mountain pass in the Alps linking Switzerland and Italy, historically renowned as a key transalpine route and for its hospice and St. Bernard rescue dogs.
-
E.
Simplon Pass
Simplon Pass is a high mountain pass in the Swiss Alps that connects the canton of Valais with northern Italy and has long been an important trans-Alpine trade and travel route.
- 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: Great St Bernard Tunnel Target entity description: The Great St Bernard Tunnel is a major road tunnel through the Alps that provides a year-round transalpine route between Switzerland and Italy beneath the Great St Bernard Pass.
-
A.
Mont Blanc Tunnel
The Mont Blanc Tunnel is a major trans-Alpine road tunnel linking France and Italy beneath the Mont Blanc massif, serving as a key route for international traffic through the Alps.
-
B.
Vielha Tunnel
Vielha Tunnel is a major road tunnel in the central Pyrenees that provides a key transport link connecting the Val d’Aran with the rest of Catalonia and Spain.
-
C.
Léman Pass
Léman Pass is a regional fare system that allows integrated ticketing and seamless travel across multiple public transport networks in the Greater Geneva area and surrounding cross-border regions.
-
D.
Great St Bernard Pass
The Great St Bernard Pass is a high mountain pass in the Alps linking Switzerland and Italy, historically renowned as a key transalpine route and for its hospice and St. Bernard rescue dogs.
-
E.
Simplon Pass
Simplon Pass is a high mountain pass in the Swiss Alps that connects the canton of Valais with northern Italy and has long been an important trans-Alpine trade and travel route.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Alpine tunnel
ⓘ
road tunnel ⓘ |
| connects |
Italy
ⓘ
Switzerland ⓘ |
| constructionStart | 1958 ⓘ |
| crosses | main chain of the Alps ⓘ |
| endPoint | near Saint-Rhémy-en-Bosses, Aosta Valley, Italy ⓘ |
| hasCategory |
Road tunnels in the Alps
ⓘ
Tunnels in Italy ⓘ Tunnels in Switzerland ⓘ |
| hasFunction |
transalpine road connection
ⓘ
year-round transport route ⓘ |
| hasMaximumSpeedLimit | 80 km/h ⓘ |
| hasNumberOfLanes | 2 ⓘ |
| hasNumberOfTubes | 1 ⓘ |
| hasToll | yes ⓘ |
| highestElevation | about 1915 m above sea level ⓘ |
| isAlternativeTo |
Great St Bernard Pass
ⓘ
surface form:
Great St Bernard Pass road
|
| isTollRoad | true ⓘ |
| languageOfficialName |
French
ⓘ
Italian ⓘ |
| length |
about 5.8 km
ⓘ
approximately 5798 m ⓘ |
| locatedIn | Alps ⓘ |
| locatedInCountry |
Italy
ⓘ
Switzerland ⓘ |
| locatedInMountainRange | Pennine Alps ⓘ |
| locatedInRegion |
Aosta Valley
ⓘ
canton of Valais NERFINISHED ⓘ |
| locatedNear | Great St Bernard Pass ⓘ |
| locatedUnder | Great St Bernard Pass ⓘ |
| officialNameInFrench |
Great St Bernard Tunnel
self-linksurface differs
ⓘ
surface form:
Tunnel du Grand-Saint-Bernard
|
| officialNameInItalian | Traforo del Gran San Bernardo ⓘ |
| opened | 1964 ⓘ |
| openingDate | 1964-03-19 ⓘ |
| operatedBy |
Società Italiana Traforo del Gran San Bernardo
ⓘ
Société du Tunnel du Grand-Saint-Bernard ⓘ |
| partOf | European route E27 ⓘ |
| replaced | seasonal Great St Bernard Pass road as main route ⓘ |
| roadType | motor vehicle tunnel ⓘ |
| startPoint | near Bourg-Saint-Pierre, Valais, Switzerland ⓘ |
| trafficDirection | bidirectional ⓘ |
| usedFor |
freight transport
ⓘ
passenger transport ⓘ road 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: Great St Bernard Tunnel Description of subject: The Great St Bernard Tunnel is a major road tunnel through the Alps that provides a year-round transalpine route between Switzerland and Italy beneath the Great St Bernard Pass.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tunnel du Grand-Saint-Bernard