Oslo Tramway
E23420
Oslo Tramway is the city’s electric light rail and streetcar network that forms a key part of public transport in Norway’s capital.
All labels observed (13)
| Label | Occurrences |
|---|---|
| Oslo Tramway canonical | 62 |
| Oslo Tramway network | 5 |
| Oslo Tram | 3 |
| Oslo tram network | 2 |
| Oslo Tramway suburban line | 1 |
| Oslo Tramway suburban lines | 1 |
| Oslo light rail network | 1 |
| Oslo suburban tramways | 1 |
| Oslo tram tracks | 1 |
| Oslo trams | 1 |
| Oslo tramway | 1 |
| Oslo tramway infrastructure | 1 |
| Oslo tramway network | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T179602 — 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: Oslo Tramway Context triple: [Oslo, hasPublicTransportSystem, Oslo Tramway]
-
A.
Oslo Metro
The Oslo Metro is the rapid transit system serving Norway's capital, providing high-frequency urban and suburban rail connections across the Oslo metropolitan area.
-
B.
Oslo Central Station
Oslo Central Station is Norway’s largest and busiest railway hub, serving as the main national and regional train terminal in the heart of Oslo.
-
C.
Lisbon Tramway
The Lisbon Tramway is a historic network of yellow streetcars that navigate Lisbon’s steep, narrow streets and serve as both public transport and a popular tourist attraction.
-
D.
Oslo
Oslo is the capital and largest city of Norway, known as a major cultural, economic, and governmental center.
-
E.
Oslo Opera House
The Oslo Opera House is a striking contemporary opera and ballet venue on Oslo’s waterfront, renowned for its sloping marble roof that visitors can walk on and its award-winning modern architecture.
- 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: Oslo Tramway Target entity description: Oslo Tramway is the city’s electric light rail and streetcar network that forms a key part of public transport in Norway’s capital.
-
A.
Oslo Metro
The Oslo Metro is the rapid transit system serving Norway's capital, providing high-frequency urban and suburban rail connections across the Oslo metropolitan area.
-
B.
Oslo Central Station
Oslo Central Station is Norway’s largest and busiest railway hub, serving as the main national and regional train terminal in the heart of Oslo.
-
C.
Lisbon Tramway
The Lisbon Tramway is a historic network of yellow streetcars that navigate Lisbon’s steep, narrow streets and serve as both public transport and a popular tourist attraction.
-
D.
Oslo
Oslo is the capital and largest city of Norway, known as a major cultural, economic, and governmental center.
-
E.
Oslo Opera House
The Oslo Opera House is a striking contemporary opera and ballet venue on Oslo’s waterfront, renowned for its sloping marble roof that visitors can walk on and its award-winning modern architecture.
- F. None of above. chosen
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf |
light rail system
ⓘ
public transport system ⓘ tramway network ⓘ |
| connectsWith |
Oslo Metro
ⓘ
Oslo city buses ⓘ
linked to:
Ruter bus network
Oslo commuter rail ⓘ regional buses in Oslo region ⓘ |
| country | Norway ⓘ |
| depot |
Grefsen depot
ⓘ
Holtet depot ⓘ |
| electrificationDate | 1894 ⓘ |
| electrificationSystem | 600 V DC overhead ⓘ |
| fareMedium |
Ruter electronic tickets
ⓘ
linked to:
Ruter ticketing system
Ruter mobile app tickets ⓘ contactless bank cards (via validators) ⓘ |
| fareSystem | integrated with Ruter fare zones ⓘ |
| governingBody | Oslo City Council ⓘ |
| hasMode |
segregated light rail alignment
ⓘ
street-running tram ⓘ |
| hasPriorityLanes | yes ⓘ |
| inception | 1875 ⓘ |
| isElectrified | yes ⓘ |
| isUrbanRail | yes ⓘ |
| languageOfOfficialName | Norwegian ⓘ |
| locatedIn |
Oslo
ⓘ
Oslo Municipality ⓘ
linked to:
Oslo
Oslo og Viken urban area ⓘ
linked to:
Oslo
|
| manufacturerOfRollingStock |
AnsaldoBreda (for SL95)
ⓘ
CAF (for SL18) ⓘ
linked to:
CAF
|
| networkLength | approximately 131 km of track ⓘ |
| numberOfLines | 6 ⓘ |
| numberOfStops | over 100 stops ⓘ |
| officialName |
Oslo trikken
ⓘ
linked to:
Trikken i Oslo
Trikken i Oslo ⓘ |
| operator | Sporveien Trikken AS ⓘ |
| owner |
City of Oslo
ⓘ
linked to:
Oslo
|
| parentOrganization |
Sporveien AS
ⓘ
linked to:
Sporveien
|
| partOf |
Oslo public transport network
ⓘ
public transport in Oslo ⓘ |
| primaryPowerSupply | overhead line ⓘ |
| propulsionSystem | electric traction ⓘ |
| regulator |
Ruter AS
ⓘ
linked to:
Ruter
|
| rollingStock |
SL18 tram
ⓘ
SL79 tram ⓘ SL95 tram ⓘ |
| serves |
Aker Brygge
ⓘ
Bekkestua ⓘ Grünerløkka ⓘ
linked to:
Grünerløkka district
Kjelsås ⓘ Ljabru ⓘ Majorstuen ⓘ Oslo city centre ⓘ
linked to:
Sentrum, Oslo
Sinsen ⓘ Skøyen ⓘ Storo ⓘ |
| serviceOperator | Ruter ticketing system ⓘ |
| ticketingAuthority |
Ruter AS
ⓘ
linked to:
Ruter
|
| trackGauge |
1000 mm
ⓘ
metre gauge ⓘ |
| website | https://sporveien.com ⓘ |
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: Oslo Tramway Description of subject: Oslo Tramway is the city’s electric light rail and streetcar network that forms a key part of public transport in Norway’s capital.
Referenced by (81)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Oslo Tramway
linked to: Oslo Tramway
subject linked to:
Jernbanetorget square
subject linked to:
Frogner district
linked to: Oslo Tramway
subject linked to:
Ullern district
subject linked to:
Nordre Aker district
linked to: Oslo Tramway
subject linked to:
Majorstuen, Oslo
subject linked to:
Vigeland Museum, Oslo
linked to: Oslo Tramway
linked to: Oslo Tramway
linked to: Oslo Tramway