Oslo Metro Sognsvann Line
E619463
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oslo Metro Sognsvann Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5838338 — 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 Sognsvann Line Context triple: [T1300 train (historical), operatedOn, Oslo Metro Sognsvann 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 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.
-
C.
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.
-
D.
Oslo Metro Grorud Line
The Oslo Metro Grorud Line is a rapid transit line in Oslo, Norway, running from the city center through the Groruddalen valley to the northeastern suburbs as part of the city's metro network.
-
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 Sognsvann Line Target entity description: 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.
-
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 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.
-
C.
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.
-
D.
Oslo Metro Grorud Line
The Oslo Metro Grorud Line is a rapid transit line in Oslo, Norway, running from the city center through the Groruddalen valley to the northeastern suburbs as part of the city's metro network.
-
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 (25)
| Predicate | Object |
|---|---|
| instanceOf |
Oslo Metro line
ⓘ
rapid transit line ⓘ |
| cityServed | Oslo ⓘ |
| connects |
Oslo city centre
ⓘ
linked to:
Central Oslo
Sognsvann ⓘ |
| country | Norway ⓘ |
| electrification | electric traction ⓘ |
| gauge | standard gauge ⓘ |
| locatedIn | Oslo ⓘ |
| owner | public transport authorities in Oslo ⓘ |
| partOf | urban rail network of Oslo ⓘ |
| primaryFunction | passenger transport ⓘ |
| regionServed |
Sognsvann area
ⓘ
linked to:
Sognsvann
|
| serves |
University of Oslo
ⓘ
recreational areas ⓘ residential neighborhoods ⓘ |
| serviceType | suburban rapid transit ⓘ |
| system | Oslo Metro ⓘ |
| terminus |
Oslo city centre
ⓘ
linked to:
Sentrum, Oslo
Sognsvann ⓘ |
| trackConfiguration | double track ⓘ |
| transportMode | metro ⓘ |
| usedFor |
access to outdoor recreation areas
ⓘ
access to university campus ⓘ commuter travel ⓘ |
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 Sognsvann Line Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.