Ekeberg Line
E644957
The Ekeberg Line is a historic light rail line in Oslo, Norway, that runs from the city center up to the Ekeberg area and forms part of the Oslo Tramway network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ekeberg Line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5963045 — 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: Ekeberg Line Context triple: [Holtet depot, locatedOn, Ekeberg Line]
-
A.
Numedal Line
The Numedal Line is a Norwegian railway route running through the Numedal valley, historically used for passenger and freight transport and now partly operated as a heritage and tourist line.
-
B.
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.
-
C.
Oslo Metro Line 1
Oslo Metro Line 1 is one of the lines in the Oslo Metro system, running from the city center through several residential districts to the hilly Holmenkollen area and the Frognerseteren terminus.
-
D.
Gardermoen Line
The Gardermoen Line is a high-speed railway in Norway that connects Oslo with Oslo Airport and further north, serving as a key part of the country’s intercity and airport rail network.
-
E.
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.
- 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: Ekeberg Line Target entity description: The Ekeberg Line is a historic light rail line in Oslo, Norway, that runs from the city center up to the Ekeberg area and forms part of the Oslo Tramway network.
-
A.
Numedal Line
The Numedal Line is a Norwegian railway route running through the Numedal valley, historically used for passenger and freight transport and now partly operated as a heritage and tourist line.
-
B.
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.
-
C.
Oslo Metro Line 1
Oslo Metro Line 1 is one of the lines in the Oslo Metro system, running from the city center through several residential districts to the hilly Holmenkollen area and the Frognerseteren terminus.
-
D.
Gardermoen Line
The Gardermoen Line is a high-speed railway in Norway that connects Oslo with Oslo Airport and further north, serving as a key part of the country’s intercity and airport rail network.
-
E.
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
tramway line ⓘ |
| city | Oslo ⓘ |
| connects |
Ekeberg plateau
ⓘ
Oslo city centre ⓘ
linked to:
Central Oslo
|
| country | Norway ⓘ |
| electrification | electric traction ⓘ |
| hasInfrastructure | overhead lines ⓘ |
| hasMode | tram ⓘ |
| hasRollingStock | tram vehicles ⓘ |
| historic | true ⓘ |
| locatedIn | Oslo ⓘ |
| locatedOn |
Ekeberg hillside
ⓘ
linked to:
Ekebergskråningen
|
| network |
Oslo Tramway network
ⓘ
linked to:
Oslo Tramway
|
| operator | Oslo tram operator ⓘ |
| partOf | Oslo Tramway ⓘ |
| railwaySignalling | tramway signalling ⓘ |
| region | Oslo County ⓘ |
| serves |
Ekeberg area
ⓘ
hillside districts ⓘ residential areas ⓘ |
| status | in operation ⓘ |
| system |
Oslo public transport system
ⓘ
linked to:
Oslo public transport network
|
| terminus |
Ekeberg
ⓘ
linked to:
Ekebergskråningen
Oslo city centre ⓘ
linked to:
Central Oslo
|
| trackGauge | metre gauge ⓘ |
| transportType | public transport ⓘ |
| usedFor |
commuter transport
ⓘ
local transit ⓘ |
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: Ekeberg Line Description of subject: The Ekeberg Line is a historic light rail line in Oslo, Norway, that runs from the city center up to the Ekeberg area and forms part of the Oslo Tramway network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.