Drogden Tunnel
E787186
The Drogden Tunnel is an underwater road and rail tunnel beneath the Øresund Strait that forms the submerged section of the fixed link between Denmark and Sweden.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Drogden Tunnel canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9246463 — 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: Drogden Tunnel Context triple: [Øresund Bridge, includes, Drogden Tunnel]
-
A.
Lærdal Tunnel
The Lærdal Tunnel is a 24.5-kilometer road tunnel in Norway, renowned as one of the world's longest road tunnels and a key link between Oslo and Bergen.
-
B.
Oslo Tunnel
The Oslo Tunnel is a central railway tunnel in Oslo, Norway, that carries most of the city's mainline train traffic between its principal stations.
-
C.
Tromsøysund Tunnel
Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
-
D.
Finnøy Tunnel
The Finnøy Tunnel is an undersea road tunnel in Norway that connects the island of Finnøy to the mainland road network.
-
E.
Velsertunnel
The Velsertunnel is a major road and rail tunnel in the Netherlands that runs beneath the North Sea Canal near Velsen, providing a key connection between the regions north and south of the canal.
- 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: Drogden Tunnel Target entity description: The Drogden Tunnel is an underwater road and rail tunnel beneath the Øresund Strait that forms the submerged section of the fixed link between Denmark and Sweden.
-
A.
Lærdal Tunnel
The Lærdal Tunnel is a 24.5-kilometer road tunnel in Norway, renowned as one of the world's longest road tunnels and a key link between Oslo and Bergen.
-
B.
Oslo Tunnel
The Oslo Tunnel is a central railway tunnel in Oslo, Norway, that carries most of the city's mainline train traffic between its principal stations.
-
C.
Tromsøysund Tunnel
Tromsøysund Tunnel is an undersea road tunnel in northern Norway that connects the island city of Tromsø to the mainland.
-
D.
Finnøy Tunnel
The Finnøy Tunnel is an undersea road tunnel in Norway that connects the island of Finnøy to the mainland road network.
-
E.
Velsertunnel
The Velsertunnel is a major road and rail tunnel in the Netherlands that runs beneath the North Sea Canal near Velsen, providing a key connection between the regions north and south of the canal.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
immersed tube tunnel
ⓘ
road-rail tunnel ⓘ undersea tunnel ⓘ |
| connects |
Denmark
NERFINISHED
ⓘ
Sweden NERFINISHED ⓘ |
| constructionMethod | immersed tube ⓘ |
| constructionStartDate | 1995 ⓘ |
| continent | Europe ⓘ |
| country |
Denmark
ⓘ
Sweden ⓘ |
| crosses | Drogden channel NERFINISHED ⓘ |
| endCountry | Denmark NERFINISHED ⓘ |
| endPoint | Amager NERFINISHED ⓘ |
| formsSectionOf | Copenhagen–Malmö transport corridor NERFINISHED ⓘ |
| hasStructure |
service gallery
ⓘ
two rail tubes ⓘ two road tubes ⓘ |
| hasToll | yes ⓘ |
| languageOfName |
Danish
ⓘ
Swedish ⓘ |
| length |
about 4 km
ⓘ
approximately 4050 m ⓘ |
| locatedIn | Øresund Strait NERFINISHED ⓘ |
| locatedInBodyOfWater | Øresund NERFINISHED ⓘ |
| locatedNear |
Copenhagen
NERFINISHED
ⓘ
Malmö NERFINISHED ⓘ |
| maximumDepthBelowSeaLevel | about 10 m ⓘ |
| namedAfter | Drogden channel NERFINISHED ⓘ |
| numberOfRailTracks | 2 ⓘ |
| numberOfRoadLanes | 4 ⓘ |
| openingDate |
1 July 2000
ⓘ
2000 ⓘ |
| operator | Øresundsbro Konsortiet NERFINISHED ⓘ |
| owner | Øresundsbro Konsortiet NERFINISHED ⓘ |
| partOf |
Denmark–Sweden border crossing
NERFINISHED
ⓘ
Øresund Bridge fixed link NERFINISHED ⓘ Øresund Fixed Link NERFINISHED ⓘ |
| railGauge | 1435 mm ⓘ |
| railwayCarried | Øresund Line NERFINISHED ⓘ |
| roadCarried | European route E20 NERFINISHED ⓘ |
| startCountry | Denmark NERFINISHED ⓘ |
| startPoint | Peberholm NERFINISHED ⓘ |
| tollAppliesTo | road traffic ⓘ |
| trafficType |
freight trains
ⓘ
motor vehicles ⓘ passenger trains ⓘ |
| tunnelType | subsea road and rail tunnel ⓘ |
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: Drogden Tunnel Description of subject: The Drogden Tunnel is an underwater road and rail tunnel beneath the Øresund Strait that forms the submerged section of the fixed link between Denmark and Sweden.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.