Oslo Tram line 12
E690884
Oslo Tram line 12 is a public tram route in Oslo, Norway, that connects central parts of the city with northern residential districts including Nordre Aker.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Oslo Tram line 12 canonical | 1 |
| Oslo Tramway line 12 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6331644 — 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 Tram line 12 Context triple: [Nordre Aker, hasTramLine, Oslo Tram line 12]
-
A.
Oslo Tram line 11
Oslo Tram line 11 is a public tram route in Oslo, Norway, that runs through several city districts including Nordre Aker as part of the city’s urban transit network.
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B.
Oslo Tramway line 18
Oslo Tramway line 18 is a light rail route in Oslo’s tram network that connects central parts of the city with the southeastern suburb of Ljabru.
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C.
Oslo Tramway line 19
Oslo Tramway line 19 is a light rail route in Oslo’s tram network that connects central parts of the city with the southeastern suburb of Ljabru.
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D.
Oslo Tramway
Oslo Tramway is the city’s electric light rail and streetcar network that forms a key part of public transport in Norway’s capital.
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E.
Oslo Metro Line 2
Oslo Metro Line 2 is one of the main rapid transit lines in the Oslo Metro system, running east–west across the city and connecting central Oslo with several suburban areas.
- 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 Tram line 12 Target entity description: Oslo Tram line 12 is a public tram route in Oslo, Norway, that connects central parts of the city with northern residential districts including Nordre Aker.
-
A.
Oslo Tram line 11
Oslo Tram line 11 is a public tram route in Oslo, Norway, that runs through several city districts including Nordre Aker as part of the city’s urban transit network.
-
B.
Oslo Tramway line 18
Oslo Tramway line 18 is a light rail route in Oslo’s tram network that connects central parts of the city with the southeastern suburb of Ljabru.
-
C.
Oslo Tramway line 19
Oslo Tramway line 19 is a light rail route in Oslo’s tram network that connects central parts of the city with the southeastern suburb of Ljabru.
-
D.
Oslo Tramway
Oslo Tramway is the city’s electric light rail and streetcar network that forms a key part of public transport in Norway’s capital.
-
E.
Oslo Metro Line 2
Oslo Metro Line 2 is one of the main rapid transit lines in the Oslo Metro system, running east–west across the city and connecting central Oslo with several suburban areas.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
Oslo Tramway line
ⓘ
public transport route ⓘ tram route ⓘ |
| cityServed | Oslo NERFINISHED ⓘ |
| connects |
central Oslo
ⓘ
northern residential districts of Oslo ⓘ |
| country | Norway ⓘ |
| electrification | electric tram line ⓘ |
| fareSystem | Ruter fare system NERFINISHED ⓘ |
| hasLanguageOfSignage | Norwegian NERFINISHED ⓘ |
| hasMode | rail-based street tram ⓘ |
| hasVehicleType | low-floor tram (modern rolling stock) ⓘ |
| isElectric | yes ⓘ |
| isNumbered | 12 ⓘ |
| isPartOfNetworkManagedBy | Ruter NERFINISHED ⓘ |
| isUrbanRail | yes ⓘ |
| locatedIn |
Norway
ⓘ
Oslo ⓘ |
| operator | Sporveien Trikken NERFINISHED ⓘ |
| ownedBy | Sporveien NERFINISHED ⓘ |
| partOf | Oslo Tramway NERFINISHED ⓘ |
| primaryFunction | passenger transport ⓘ |
| publicTransportSystem | Oslo public transport network NERFINISHED ⓘ |
| region | Eastern Norway NERFINISHED ⓘ |
| routeNumber | 12 ⓘ |
| safetySystem | urban tramway signalling ⓘ |
| servesArea |
central parts of Oslo
ⓘ
northern Oslo ⓘ |
| servesDistrict | Nordre Aker NERFINISHED ⓘ |
| serviceFrequency | regular scheduled service ⓘ |
| serviceType | urban transit ⓘ |
| ticketingSystem | electronic ticketing ⓘ |
| transportType | tram ⓘ |
| usesInfrastructure | Oslo tram tracks NERFINISHED ⓘ |
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 Tram line 12 Description of subject: Oslo Tram line 12 is a public tram route in Oslo, Norway, that connects central parts of the city with northern residential districts including Nordre Aker.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Nordre Aker