Oslo Tramway line 19
E653744
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oslo Tramway line 19 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5963115 — 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 line 19 Context triple: [Ljabru, terminusOf, Oslo Tramway line 19]
-
A.
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.
-
B.
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.
-
C.
Oslo Metro Østerås Line
The Oslo Metro Østerås Line is a suburban rapid transit line in Oslo, Norway, running westward from the city center to the residential area of Østerås as part of the city's T-bane network.
-
D.
Oslo Metro Lambertseter Line
The Oslo Metro Lambertseter Line is one of the city’s suburban rapid transit lines, connecting central Oslo with the Lambertseter residential area as part of the broader Oslo Metro network.
-
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 Tramway line 19 Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Oslo Metro Østerås Line
The Oslo Metro Østerås Line is a suburban rapid transit line in Oslo, Norway, running westward from the city center to the residential area of Østerås as part of the city's T-bane network.
-
D.
Oslo Metro Lambertseter Line
The Oslo Metro Lambertseter Line is one of the city’s suburban rapid transit lines, connecting central Oslo with the Lambertseter residential area as part of the broader Oslo Metro network.
-
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 (30)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
public transport route ⓘ tram line ⓘ |
| cityServed | Oslo NERFINISHED ⓘ |
| connects |
Ljabru
NERFINISHED
ⓘ
central Oslo ⓘ |
| country | Norway ⓘ |
| electrification | electric tramway ⓘ |
| fareSystem | Ruter fare system ⓘ |
| hasRollingStockType | low-floor tramcars ⓘ |
| hasRouteNumber | 19 ⓘ |
| integratedIn | Ruter public transport network NERFINISHED ⓘ |
| locatedIn |
Norway
ⓘ
Oslo ⓘ |
| modeOfTransport | tram ⓘ |
| networkRole | connects central Oslo with southeastern suburbs ⓘ |
| operator | Sporveien Trikken NERFINISHED ⓘ |
| owner | Sporveien NERFINISHED ⓘ |
| partOf | Oslo Tramway NERFINISHED ⓘ |
| primaryFunction | urban passenger distribution in Oslo ⓘ |
| publicTransportCategory | urban rail ⓘ |
| regionServed | Oslo metropolitan area NERFINISHED ⓘ |
| serviceAreaDirection | southeastern Oslo ⓘ |
| serviceType | passenger transport ⓘ |
| suburbServed | Ljabru NERFINISHED ⓘ |
| terminus |
Ljabru
NERFINISHED
ⓘ
Majorstuen NERFINISHED ⓘ |
| trackGauge | metre gauge ⓘ |
| transportSystem | Oslo public transport network NERFINISHED ⓘ |
| 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 Tramway line 19 Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.