Lötschberg Tunnel
E422361
The Lötschberg Tunnel is a major Swiss railway tunnel through the Bernese Alps that provides a key north–south transit route between the cantons of Bern and Valais.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Lötschberg Base Tunnel | 9 |
| Lötschberg Tunnel canonical | 5 |
| Lötschberg Base Tunnel route | 1 |
| Lötschberg Base Tunnel via Spiez | 1 |
| Lötschberg Tunnel (summit tunnel) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4228922 — 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: Lötschberg Tunnel Context triple: [Lötschberg Pass, traversedBy, Lötschberg Tunnel]
-
A.
Simplon Tunnel
The Simplon Tunnel is a major railway tunnel beneath the Alps connecting Switzerland and Italy, historically significant as one of the longest and most important transalpine rail routes.
-
B.
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.
-
C.
Gotthard
Gotthard is a masculine given name of Germanic origin, historically borne by several notable figures including military leaders and saints.
-
D.
Lötschberg Pass
Lötschberg Pass is a high mountain pass in the Swiss Alps that historically served as an important north–south transit route between the cantons of Bern and Valais.
-
E.
Gotthard route
The Gotthard route is a major north–south trans-Alpine transport corridor in Switzerland, linking central Europe with Italy via road and rail tunnels through the Gotthard massif.
- 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: Lötschberg Tunnel Target entity description: The Lötschberg Tunnel is a major Swiss railway tunnel through the Bernese Alps that provides a key north–south transit route between the cantons of Bern and Valais.
-
A.
Simplon Tunnel
The Simplon Tunnel is a major railway tunnel beneath the Alps connecting Switzerland and Italy, historically significant as one of the longest and most important transalpine rail routes.
-
B.
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.
-
C.
Gotthard
Gotthard is a masculine given name of Germanic origin, historically borne by several notable figures including military leaders and saints.
-
D.
Lötschberg Pass
Lötschberg Pass is a high mountain pass in the Swiss Alps that historically served as an important north–south transit route between the cantons of Bern and Valais.
-
E.
Gotthard route
The Gotthard route is a major north–south trans-Alpine transport corridor in Switzerland, linking central Europe with Italy via road and rail tunnels through the Gotthard massif.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
Alpine tunnel
ⓘ
railway tunnel ⓘ |
| connects |
Goppenstein
ⓘ
Kandersteg ⓘ |
| constructionStart | 1906 ⓘ |
| country | Switzerland ⓘ |
| electrification | 15 kV 16.7 Hz AC overhead line ⓘ |
| endPoint | Goppenstein railway station ⓘ |
| gauge | standard gauge ⓘ |
| hasStructureType |
single bore
ⓘ
twin-track tunnel ⓘ |
| hasTraffic |
domestic Swiss trains
ⓘ
international trains ⓘ |
| historicalPeriod | early 20th century Swiss railway expansion ⓘ |
| length | approximately 14.6 kilometres ⓘ |
| locatedIn | Bernese Alps ⓘ |
| locatedInCanton |
Canton of Bern
ⓘ
linked to:
canton of Bern
Canton of Valais ⓘ |
| locatedInMountainRange | Alps ⓘ |
| locatedNear | Lötschberg Pass ⓘ |
| opened | 1913 ⓘ |
| operator | BLS AG ⓘ |
| ownedBy | BLS AG ⓘ |
| parallelStructure |
Lötschberg Base Tunnel
ⓘ
linked to:
Lötschberg Tunnel
|
| partOf | Lötschberg railway line ⓘ |
| partOfCorridor | north–south European transit route ⓘ |
| passesUnder |
Lötschen Pass region
ⓘ
linked to:
Goms Valley
|
| railwayLine |
BLS Lötschberg line
ⓘ
linked to:
Lötschberg railway line
|
| regionServed |
Bernese Oberland
ⓘ
Valais ⓘ |
| replacedBy |
Lötschberg Base Tunnel
ⓘ
linked to:
Lötschberg Tunnel
|
| safetySystem | signalling and train protection systems ⓘ |
| significance | major north–south transit route in Switzerland ⓘ |
| startPoint | Kandersteg railway station ⓘ |
| trackConfiguration | double track ⓘ |
| usedFor |
car shuttle trains
ⓘ
freight rail transport ⓘ passenger rail 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: Lötschberg Tunnel Description of subject: The Lötschberg Tunnel is a major Swiss railway tunnel through the Bernese Alps that provides a key north–south transit route between the cantons of Bern and Valais.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lötschberg Tunnel
linked to: Lötschberg Tunnel
linked to: Lötschberg Tunnel
linked to: Lötschberg Tunnel
linked to: Lötschberg Tunnel
linked to: Lötschberg Tunnel
linked to: Lötschberg Tunnel
linked to: Lötschberg Tunnel
subject linked to:
Brig, Valais, Switzerland
linked to: Lötschberg Tunnel
linked to: Lötschberg Tunnel
linked to: Lötschberg Tunnel