Oslo Metro Line 4
E176523
Oslo Metro Line 4 is a rapid transit line in the Oslo Metro system that runs across the city, connecting eastern and western suburbs via the central tunnel.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Oslo Metro Line 4 canonical | 29 |
| Line 4 (Oslo Metro) | 1 |
| Line 4 of the Oslo Metro | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1481876 — 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 Line 4 Context triple: [Tøyen, servedByLine, Oslo Metro Line 4]
-
A.
Oslo Metro Line 3
Oslo Metro Line 3 is one of the main rapid transit lines in Oslo, Norway, running through the city center and connecting several eastern and western suburbs.
-
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.
Oslo Metro
The Oslo Metro is the rapid transit system serving Norway's capital, providing high-frequency urban and suburban rail connections across the Oslo metropolitan area.
-
E.
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.
- 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 Line 4 Target entity description: Oslo Metro Line 4 is a rapid transit line in the Oslo Metro system that runs across the city, connecting eastern and western suburbs via the central tunnel.
-
A.
Oslo Metro Line 3
Oslo Metro Line 3 is one of the main rapid transit lines in Oslo, Norway, running through the city center and connecting several eastern and western suburbs.
-
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.
Oslo Metro
The Oslo Metro is the rapid transit system serving Norway's capital, providing high-frequency urban and suburban rail connections across the Oslo metropolitan area.
-
E.
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.
- F. None of above. chosen
Statements (53)
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 Line 4 Description of subject: Oslo Metro Line 4 is a rapid transit line in the Oslo Metro system that runs across the city, connecting eastern and western suburbs via the central tunnel.
Referenced by (31)
Full triples — surface form annotated when it differs from this entity's canonical label.