Oslo Metro
E23196
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.
All labels observed (29)
How this entity was disambiguated
This entity first appeared as the object of triple T179601 — 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 Context triple: [Oslo, hasPublicTransportSystem, Oslo Metro]
-
A.
Oslo Central Station
Oslo Central Station is Norway’s largest and busiest railway hub, serving as the main national and regional train terminal in the heart of Oslo.
-
B.
Moscow Metro
The Moscow Metro is a major rapid transit system in Moscow renowned for its extensive network, high passenger capacity, and ornately decorated stations often likened to underground palaces.
-
C.
Oslo
Oslo is the capital and largest city of Norway, known as a major cultural, economic, and governmental center.
-
D.
Nuremberg U-Bahn
The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
-
E.
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
- 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 Target entity description: 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.
-
A.
Oslo Central Station
Oslo Central Station is Norway’s largest and busiest railway hub, serving as the main national and regional train terminal in the heart of Oslo.
-
B.
Moscow Metro
The Moscow Metro is a major rapid transit system in Moscow renowned for its extensive network, high passenger capacity, and ornately decorated stations often likened to underground palaces.
-
C.
Oslo
Oslo is the capital and largest city of Norway, known as a major cultural, economic, and governmental center.
-
D.
Nuremberg U-Bahn
The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
-
E.
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
public transport system ⓘ rapid transit system ⓘ |
| areaServed |
Bærum
ⓘ
Nordmarka fringe ⓘ suburban Oslo ⓘ urban Oslo ⓘ |
| centralHub |
Jernbanetorget station
ⓘ
linked to:
Jernbanetorget metro station
Majorstuen station ⓘ Nationaltheatret station ⓘ Stortinget station ⓘ
linked to:
Stortinget metro station
|
| characteristic |
combination of underground and surface sections
ⓘ
grade-separated alignment ⓘ high-frequency service ⓘ |
| country | Norway ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | Ruter ⓘ |
| gauge | standard gauge ⓘ |
| hasLine |
Line 1 (Oslo Metro)
ⓘ
linked to:
Oslo Metro
Line 2 (Oslo Metro) ⓘ
linked to:
Oslo Metro
Line 3 (Oslo Metro) ⓘ
linked to:
Oslo Metro
Line 4 (Oslo Metro) ⓘ
linked to:
Oslo Metro
Line 5 (Oslo Metro) ⓘ
linked to:
Oslo Metro
|
| hasRollingStock |
MX3000 train
ⓘ
T1000 train (historical) ⓘ
linked to:
T1300 train (historical)
T1300 train (historical) ⓘ |
| locatedIn | Oslo ⓘ |
| numberOfLines | 5 ⓘ |
| numberOfStations | over 100 ⓘ |
| opened | 1966 ⓘ |
| operator |
Sporveien T-banen
ⓘ
linked to:
Oslo Metro
|
| owner | Sporveien ⓘ |
| predecessor |
Oslo Tunnelbanen
ⓘ
linked to:
Oslo Metro
Oslo suburban tramways ⓘ
linked to:
Oslo Tramway
|
| serves |
Oslo
ⓘ
Oslo metropolitan area ⓘ
linked to:
Oslo
|
| terminus |
Bergkrystallen
ⓘ
Frognerseteren ⓘ Kolsås ⓘ Mortensrud ⓘ Ringen ⓘ Ringen via Storo ⓘ Ringen via Tøyen ⓘ Sognsvann ⓘ Vestli ⓘ Østerås ⓘ |
| ticketIntegrationWith |
Oslo Tramway
ⓘ
Oslo bus network ⓘ
linked to:
Ruter bus network
Oslo commuter rail ⓘ |
| trackConfiguration | mostly double track ⓘ |
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 Description of subject: 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.
Referenced by (229)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Oslo Metro
linked to: Oslo Metro
linked to: Oslo Metro
linked to: Oslo Metro
linked to: Oslo Metro
linked to: Oslo Metro
linked to: Oslo Metro
subject linked to:
Jernbanetorget square
subject linked to:
Ullevaal area of Oslo
subject linked to:
Frogner district
linked to: Oslo Metro
linked to: Oslo Metro
linked to: Oslo Metro
linked to: Oslo Metro
linked to: Oslo Metro
subject linked to:
Ullern district
linked to: Oslo Metro
subject linked to:
Nordre Aker district
subject linked to:
Mortensrud