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 (7)
| Label | Occurrences |
|---|---|
| Oslo Tramway canonical | 28 |
| Oslo Tram | 1 |
| Oslo Tramway network | 1 |
| Oslo light rail network | 1 |
| Oslo suburban tramways | 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
ⓘ
Ruter bus network ⓘ
surface form:
Oslo city buses
Oslo commuter rail ⓘ regional buses in Oslo region ⓘ |
| country | Norway ⓘ |
| depot |
Grefsen depot
ⓘ
Holtet depot ⓘ |
| electrificationDate | 1894 ⓘ |
| electrificationSystem | 600 V DC overhead ⓘ |
| fareMedium |
Ruter ticketing system
ⓘ
surface form:
Ruter electronic tickets
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 ⓘ
surface form:
Oslo Municipality
Oslo ⓘ
surface form:
Oslo og Viken urban area
|
| manufacturerOfRollingStock |
AnsaldoBreda (for SL95)
ⓘ
CAF ⓘ
surface form:
CAF (for SL18)
|
| networkLength | approximately 131 km of track ⓘ |
| numberOfLines | 6 ⓘ |
| numberOfStops | over 100 stops ⓘ |
| officialName |
Trikken i Oslo
ⓘ
surface form:
Oslo trikken
Trikken i Oslo ⓘ |
| operator | Sporveien Trikken AS ⓘ |
| owner |
Oslo
ⓘ
surface form:
City of Oslo
|
| parentOrganization |
Sporveien
ⓘ
surface form:
Sporveien AS
|
| partOf |
Oslo public transport network
ⓘ
public transport in Oslo ⓘ |
| primaryPowerSupply | overhead line ⓘ |
| propulsionSystem | electric traction ⓘ |
| regulator |
Ruter
ⓘ
surface form:
Ruter AS
|
| rollingStock |
SL18 tram
ⓘ
SL79 tram ⓘ SL95 tram ⓘ |
| serves |
Aker Brygge
ⓘ
Bekkestua ⓘ Grünerløkka district ⓘ
surface form:
Grünerløkka
Kjelsås ⓘ Ljabru ⓘ Majorstuen ⓘ Sentrum, Oslo ⓘ
surface form:
Oslo city centre
Sinsen ⓘ Skøyen ⓘ Storo ⓘ |
| serviceOperator | Ruter ticketing system ⓘ |
| ticketingAuthority |
Ruter
ⓘ
surface form:
Ruter AS
|
| 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 (34)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Oslo suburban tramways
this entity surface form:
Oslo Tram
subject surface form:
Jernbanetorget
subject surface form:
Frogner
this entity surface form:
Oslo tramway infrastructure
subject surface form:
Ullern
subject surface form:
Nordre Aker
this entity surface form:
Oslo Tramway network