Oslo Metro Østerås Line
E622935
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oslo Metro Østerås Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5838340 — 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 Metro Østerås Line Context triple: [T1300 train (historical), operatedOn, Oslo Metro Østerås Line]
-
A.
Oslo Metro Furuset Line
The Oslo Metro Furuset Line is a rapid transit line in Oslo, Norway, running east from the city center to serve suburban residential districts.
-
B.
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.
-
C.
Oslo Metro Røa Line
The Oslo Metro Røa Line is a suburban rapid transit line in Oslo, Norway, connecting the city center with the western neighborhood of Røa and surrounding areas.
-
D.
Oslo Metro Sognsvann Line
The Oslo Metro Sognsvann Line is a suburban rapid transit line in Oslo, Norway, running from the city center to the Sognsvann area and serving residential neighborhoods, recreational areas, and the University of Oslo.
-
E.
Oslo Metro Østensjø Line
The Oslo Metro Østensjø Line is a rapid transit line in Oslo, Norway, connecting the city center with southeastern residential suburbs as part of the city's metro network.
- 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 Metro Østerås Line Target entity description: 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.
-
A.
Oslo Metro Furuset Line
The Oslo Metro Furuset Line is a rapid transit line in Oslo, Norway, running east from the city center to serve suburban residential districts.
-
B.
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.
-
C.
Oslo Metro Røa Line
The Oslo Metro Røa Line is a suburban rapid transit line in Oslo, Norway, connecting the city center with the western neighborhood of Røa and surrounding areas.
-
D.
Oslo Metro Sognsvann Line
The Oslo Metro Sognsvann Line is a suburban rapid transit line in Oslo, Norway, running from the city center to the Sognsvann area and serving residential neighborhoods, recreational areas, and the University of Oslo.
-
E.
Oslo Metro Østensjø Line
The Oslo Metro Østensjø Line is a rapid transit line in Oslo, Norway, connecting the city center with southeastern residential suburbs as part of the city's metro network.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
Oslo Metro line
ⓘ
rapid transit line ⓘ |
| colorOnMap | blue ⓘ |
| connectsWith |
Oslo Metro Common Tunnel
ⓘ
linked to:
Oslo Metro common tunnel
other Oslo Metro lines at central interchange stations ⓘ |
| country | Norway ⓘ |
| electrification | third rail ⓘ |
| hasRollingStock |
Oslo Metro MX3000 trains
ⓘ
linked to:
Oslo Metro MX3000
|
| lineNumber | Line 2 ⓘ |
| locatedIn |
Norway
ⓘ
Oslo ⓘ |
| modeOfTransport | rail ⓘ |
| networkZone |
Ruter fare system
ⓘ
linked to:
Ruter ticketing system
|
| operator | Sporveien T-banen ⓘ |
| owner | Sporveien ⓘ |
| partOf |
Oslo Metro
ⓘ
Oslo T-bane network ⓘ
linked to:
Oslo Metro
|
| primaryUse | commuter transport ⓘ |
| serves |
residential areas in western Oslo
ⓘ
western suburbs of Oslo ⓘ Østerås ⓘ |
| serviceType | suburban rapid transit ⓘ |
| system | T-bane ⓘ |
| terminus |
Oslo city centre
ⓘ
linked to:
Central Oslo
Østerås ⓘ |
| trackGauge | standard gauge ⓘ |
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 Metro Østerås Line Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.