Grefsen depot
E129581
Grefsen depot is a major tram depot in Oslo, Norway, serving as a key maintenance and storage facility for the city’s tram network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Grefsen depot canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1139694 — 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: Grefsen depot Context triple: [Oslo Tramway, depot, Grefsen depot]
-
A.
Fürth depot
Fürth depot is a maintenance and storage facility serving the Nuremberg U-Bahn rapid transit system in the Fürth area of Germany.
-
B.
Carnide depot
Carnide depot is a maintenance and storage facility serving the Lisbon Metro system in Lisbon, Portugal.
-
C.
Langwasser depot
Langwasser depot is a maintenance and storage facility serving the Nuremberg U-Bahn rapid transit system in Nuremberg, Germany.
-
D.
Ruckelshaus
Ruckelshaus is the surname of William D. Ruckelshaus, a prominent American lawyer and public official best known as the first head of the U.S. Environmental Protection Agency and a key figure in the Watergate-era "Saturday Night Massacre."
-
E.
Pontinha depot
Pontinha depot is a maintenance and storage facility serving the Lisbon Metro system in Lisbon, Portugal.
- 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: Grefsen depot Target entity description: Grefsen depot is a major tram depot in Oslo, Norway, serving as a key maintenance and storage facility for the city’s tram network.
-
A.
Fürth depot
Fürth depot is a maintenance and storage facility serving the Nuremberg U-Bahn rapid transit system in the Fürth area of Germany.
-
B.
Carnide depot
Carnide depot is a maintenance and storage facility serving the Lisbon Metro system in Lisbon, Portugal.
-
C.
Langwasser depot
Langwasser depot is a maintenance and storage facility serving the Nuremberg U-Bahn rapid transit system in Nuremberg, Germany.
-
D.
Ruckelshaus
Ruckelshaus is the surname of William D. Ruckelshaus, a prominent American lawyer and public official best known as the first head of the U.S. Environmental Protection Agency and a key figure in the Watergate-era "Saturday Night Massacre."
-
E.
Pontinha depot
Pontinha depot is a maintenance and storage facility serving the Lisbon Metro system in Lisbon, Portugal.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
tram depot
ⓘ
transport infrastructure ⓘ |
| cityServed | Oslo ⓘ |
| continent | Europe ⓘ |
| country | Norway ⓘ |
| function |
tram maintenance facility
ⓘ
tram stabling ⓘ tram storage facility ⓘ |
| hasLanguageOfLocation | Norwegian ⓘ |
| locatedIn | Oslo ⓘ |
| locatedInAdministrativeTerritory |
Oslo Municipality
ⓘ
linked to:
Oslo
|
| locatedInCountryCapital | Oslo ⓘ |
| locatedInNeighbourhood | Grefsen ⓘ |
| locatedInRegion | Eastern Norway ⓘ |
| networkRole | major tram depot in Oslo ⓘ |
| operatedBy | Sporveien Trikken AS ⓘ |
| ownedBy |
Sporveien AS
ⓘ
linked to:
Sporveien
|
| partOfNetwork |
Oslo public transport system
ⓘ
linked to:
Oslo public transport network
|
| servesTransportSystem | Oslo Tramway ⓘ |
| servesVehicleType | tram ⓘ |
| significance | key maintenance and storage facility for Oslo’s tram network ⓘ |
| transportMode | tramway ⓘ |
| usedFor |
cleaning of trams
ⓘ
heavy maintenance of trams ⓘ inspection of trams ⓘ light maintenance of trams ⓘ overnight parking of trams ⓘ repair of trams ⓘ servicing of tram fleet ⓘ |
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: Grefsen depot Description of subject: Grefsen depot is a major tram depot in Oslo, Norway, serving as a key maintenance and storage facility for the city’s tram network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.