Opera Tunnel
E619944
Opera Tunnel is a major road tunnel in Oslo, Norway, forming a key part of the city’s waterfront traffic system beneath the Bjørvika district.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Opera Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6793016 — 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: Opera Tunnel Context triple: [Bjørvika, hasLandmark, Opera Tunnel]
-
A.
The Tunnel
The Tunnel is a 1935 British science fiction film envisioning the construction of a transatlantic tunnel linking Europe and America.
-
B.
The Tunnel
The Tunnel is a British-French crime drama television series that adapts the Scandinavian show The Bridge, centering on a joint investigation into murders discovered in the Channel Tunnel.
-
C.
Box Tunnel
Box Tunnel is a historic railway tunnel in Wiltshire, England, engineered by Isambard Kingdom Brunel as part of the Great Western Railway and renowned for its ambitious 19th-century design and construction.
-
D.
Tar Tunnel
Tar Tunnel is a historic 18th-century industrial tunnel in Ironbridge Gorge, England, known for its natural bitumen seepage and role in the early Industrial Revolution.
-
E.
Sun Tunnels
Sun Tunnels is a monumental Land Art installation by Nancy Holt in Utah’s Great Basin Desert, consisting of four massive concrete tubes aligned with the solstices and drilled with star patterns.
- 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: Opera Tunnel Target entity description: Opera Tunnel is a major road tunnel in Oslo, Norway, forming a key part of the city’s waterfront traffic system beneath the Bjørvika district.
-
A.
The Tunnel
The Tunnel is a 1935 British science fiction film envisioning the construction of a transatlantic tunnel linking Europe and America.
-
B.
The Tunnel
The Tunnel is a British-French crime drama television series that adapts the Scandinavian show The Bridge, centering on a joint investigation into murders discovered in the Channel Tunnel.
-
C.
Box Tunnel
Box Tunnel is a historic railway tunnel in Wiltshire, England, engineered by Isambard Kingdom Brunel as part of the Great Western Railway and renowned for its ambitious 19th-century design and construction.
-
D.
Tar Tunnel
Tar Tunnel is a historic 18th-century industrial tunnel in Ironbridge Gorge, England, known for its natural bitumen seepage and role in the early Industrial Revolution.
-
E.
Sun Tunnels
Sun Tunnels is a monumental Land Art installation by Nancy Holt in Utah’s Great Basin Desert, consisting of four massive concrete tubes aligned with the solstices and drilled with star patterns.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | road tunnel ⓘ |
| connectsTo |
Ekeberg Tunnel
NERFINISHED
ⓘ
Festning Tunnel NERFINISHED ⓘ Mosseveien NERFINISHED ⓘ Rv4 / Ring 1 system via Festning Tunnel ⓘ |
| constructionMethod |
cut-and-cover sections
ⓘ
rock tunnel sections ⓘ |
| country | Norway ⓘ |
| endPoint | junction towards Ekeberg Tunnel and Mosseveien ⓘ |
| hasFunction |
bypasses central Oslo at waterfront
ⓘ
urban traffic tunnel ⓘ |
| hasLanes | multiple carriageway lanes ⓘ |
| hasLocalName | Operatunnelen NERFINISHED ⓘ |
| hasSignificance |
frees waterfront area for urban development
ⓘ
reduces surface traffic along Oslo waterfront ⓘ |
| isKeyPartOf | Bjørvika redevelopment traffic system NERFINISHED ⓘ |
| languageOfName | Norwegian ⓘ |
| locatedIn |
Bjørvika
NERFINISHED
ⓘ
Oslo ⓘ |
| locatedInBorough |
Gamle Oslo
NERFINISHED
ⓘ
Sentrum NERFINISHED ⓘ |
| locatedInRegion |
Eastern Norway
NERFINISHED
ⓘ
Oslo County NERFINISHED ⓘ |
| locatedInWaterfrontArea | Oslofjord inner harbour NERFINISHED ⓘ |
| locatedUnder | Bjørvika district NERFINISHED ⓘ |
| nearbyLandmark |
Akershus Fortress
NERFINISHED
ⓘ
Barcode Project NERFINISHED ⓘ Oslo Central Station NERFINISHED ⓘ Oslo Opera House NERFINISHED ⓘ |
| openedInPeriod | early 2010s ⓘ |
| operator | Norwegian Public Roads Administration NERFINISHED ⓘ |
| owner | Norwegian Public Roads Administration NERFINISHED ⓘ |
| partOf |
European route E18
NERFINISHED
ⓘ
Oslo waterfront road system NERFINISHED ⓘ |
| partOfNetwork |
Norwegian national road network
NERFINISHED
ⓘ
Oslo road network ⓘ |
| passesUnder |
Bjørvika waterfront
NERFINISHED
ⓘ
Oslo Opera House vicinity ⓘ |
| roadType | E18 ⓘ |
| safetyFeatures |
emergency exits
ⓘ
fire safety equipment ⓘ ventilation system ⓘ |
| startPoint | near Festning Tunnel by Aker Brygge / Vika ⓘ |
| trafficType | motor vehicles ⓘ |
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: Opera Tunnel Description of subject: Opera Tunnel is a major road tunnel in Oslo, Norway, forming a key part of the city’s waterfront traffic system beneath the Bjørvika district.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.