Grefsen tram depot
E551927
Grefsen tram depot is a major maintenance and storage facility for Oslo’s tram network, serving as one of the key operational hubs for the city’s trams.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Grefsen tram depot canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5840706 — 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 tram depot Context triple: [Trikken i Oslo, hasDepot, Grefsen tram depot]
-
A.
Hammarby depot
Hammarby depot is a maintenance and storage facility serving Stockholm’s Tvärbanan light rail system.
-
B.
Grunewald depot
Grunewald depot is a major maintenance and storage facility for Berlin’s U-Bahn trains, located in the Grunewald area of the city.
-
C.
Seestraße depot
Seestraße depot is a major maintenance and storage facility for trains on Berlin’s U-Bahn rapid transit network.
-
D.
Steintor tram stop
Steintor tram stop is a public tram station in Hanover, Germany, serving as a key transit point near the Gehry Tower and the city center.
-
E.
Fürth depot
Fürth depot is a maintenance and storage facility serving the Nuremberg U-Bahn rapid transit system in the Fürth area of Germany.
- 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 tram depot Target entity description: Grefsen tram depot is a major maintenance and storage facility for Oslo’s tram network, serving as one of the key operational hubs for the city’s trams.
-
A.
Hammarby depot
Hammarby depot is a maintenance and storage facility serving Stockholm’s Tvärbanan light rail system.
-
B.
Grunewald depot
Grunewald depot is a major maintenance and storage facility for Berlin’s U-Bahn trains, located in the Grunewald area of the city.
-
C.
Seestraße depot
Seestraße depot is a major maintenance and storage facility for trains on Berlin’s U-Bahn rapid transit network.
-
D.
Steintor tram stop
Steintor tram stop is a public tram station in Hanover, Germany, serving as a key transit point near the Gehry Tower and the city center.
-
E.
Fürth depot
Fürth depot is a maintenance and storage facility serving the Nuremberg U-Bahn rapid transit system in the Fürth area of Germany.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
public transport facility
ⓘ
tram depot ⓘ |
| country | Norway ⓘ |
| hasApproximateOpeningPeriod | 20th century ⓘ |
| hasBuildingType | industrial building ⓘ |
| hasConnectionWith |
Grefsen tram stop
NERFINISHED
ⓘ
Oslo tram lines to the northeast of the city ⓘ |
| hasFacility |
administration offices
ⓘ
maintenance halls ⓘ stabling tracks ⓘ staff facilities ⓘ workshops ⓘ |
| hasFunction |
tram maintenance
ⓘ
tram operations support ⓘ tram storage ⓘ |
| hasInfrastructureType |
rail infrastructure
ⓘ
tram infrastructure ⓘ |
| hasRailGauge | standard gauge ⓘ |
| hasRole |
key operational hub for Oslo trams
ⓘ
major maintenance facility for Oslo’s tram network ⓘ major storage facility for Oslo’s tram network ⓘ |
| isAccessibleBy |
road
ⓘ
tram tracks ⓘ |
| isCriticalFor |
availability of tram rolling stock in Oslo
ⓘ
daily operation of Oslo tram services ⓘ |
| isPartOf | Oslo’s tram operations infrastructure ⓘ |
| locatedIn |
Grefsen
NERFINISHED
ⓘ
Oslo ⓘ |
| locatedInAdministrativeTerritory |
Oslo County
NERFINISHED
ⓘ
Oslo Municipality NERFINISHED ⓘ |
| locatedInContinent | Europe ⓘ |
| locatedInTimeZone |
Central European Summer Time
ⓘ
Central European Time ⓘ |
| operatedBy | Sporveien Trikken NERFINISHED ⓘ |
| ownedBy | Sporveien AS NERFINISHED ⓘ |
| partOfNetwork | Oslo Tramway NERFINISHED ⓘ |
| servesCity | Oslo NERFINISHED ⓘ |
| servesModeOfTransport | tram ⓘ |
| servesTransportSystem | Oslo public transport network NERFINISHED ⓘ |
| subjectTo | Norwegian railway and tram safety regulations ⓘ |
| usedFor |
cleaning of trams
ⓘ
component overhaul ⓘ heavy maintenance of trams ⓘ inspection of trams ⓘ light maintenance of trams ⓘ overnight stabling of trams ⓘ repair of trams ⓘ wheel reprofiling ⓘ |
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 tram depot Description of subject: Grefsen tram depot is a major maintenance and storage facility for Oslo’s tram network, serving as one of the key operational hubs for the city’s trams.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.