Sarajevo tram system
E122529
The Sarajevo tram system is a historic urban light rail network in Bosnia and Herzegovina’s capital, known as one of the oldest electric tram systems in Europe and a key component of the city’s public transport.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sarajevo Tramway | 1 |
| Sarajevo tram system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1013099 — 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: Sarajevo tram system Context triple: [Sarajevo, hasPublicTransport, Sarajevo tram system]
-
A.
İZBAN commuter rail
İZBAN commuter rail is a major suburban rail system serving the İzmir metropolitan area in Turkey, providing high-capacity, rapid transit along the city’s north–south axis.
-
B.
Tram Izmir
Tram Izmir is a modern light rail tram network serving the Turkish city of İzmir as part of its urban public transportation system.
-
C.
Mostar
Mostar is a historic city in Bosnia and Herzegovina, best known for its iconic Ottoman-era Stari Most (Old Bridge) spanning the Neretva River.
-
D.
Strasbourg tramway
The Strasbourg tramway is a modern light rail transit system in Strasbourg, France, known for its extensive network, integration with urban renewal, and cross-border service into Germany.
-
E.
Warsaw Tram system
The Warsaw Tram system is an extensive urban light rail network serving Poland’s capital, forming a core component of the city’s public transportation infrastructure.
- 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: Sarajevo tram system Target entity description: The Sarajevo tram system is a historic urban light rail network in Bosnia and Herzegovina’s capital, known as one of the oldest electric tram systems in Europe and a key component of the city’s public transport.
-
A.
İZBAN commuter rail
İZBAN commuter rail is a major suburban rail system serving the İzmir metropolitan area in Turkey, providing high-capacity, rapid transit along the city’s north–south axis.
-
B.
Tram Izmir
Tram Izmir is a modern light rail tram network serving the Turkish city of İzmir as part of its urban public transportation system.
-
C.
Mostar
Mostar is a historic city in Bosnia and Herzegovina, best known for its iconic Ottoman-era Stari Most (Old Bridge) spanning the Neretva River.
-
D.
Strasbourg tramway
The Strasbourg tramway is a modern light rail transit system in Strasbourg, France, known for its extensive network, integration with urban renewal, and cross-border service into Germany.
-
E.
Warsaw Tram system
The Warsaw Tram system is an extensive urban light rail network serving Poland’s capital, forming a core component of the city’s public transportation infrastructure.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
public transport network
ⓘ
tram system ⓘ urban rail system ⓘ |
| connects |
Baščaršija
ⓘ
Ilidža ⓘ city centre of Sarajevo ⓘ |
| country | Bosnia and Herzegovina ⓘ |
| electrification | electric tramway ⓘ |
| electrificationDate | 1895 ⓘ |
| fareMedium |
monthly passes
ⓘ
paper tickets ⓘ |
| fareSystem | integrated with Sarajevo public transport ⓘ |
| governingBody |
Government of Sarajevo Canton
ⓘ
surface form:
Sarajevo Canton authorities
|
| hasDepot | tram depot in Sarajevo ⓘ |
| hasRollingStockType |
Tatra K2 tram
ⓘ
Tatra KT8D5 tram ⓘ ČKD Tatra trams ⓘ |
| hasRouteType | radial line along main city axis ⓘ |
| historicalSignificance |
among the earliest electric tramways in continental Europe
ⓘ
one of the first tram systems in the Balkans ⓘ |
| infrastructureType |
reserved tramway sections
ⓘ
street-embedded tracks ⓘ |
| isOneOf | oldest electric tram systems in Europe ⓘ |
| lineOrientation | east–west corridor through Sarajevo ⓘ |
| locatedIn |
Federation of Bosnia and Herzegovina
ⓘ
Sarajevo ⓘ Sarajevo Canton ⓘ |
| notableFeature | continuous line linking historic old town with western suburbs ⓘ |
| numberOfTracks | double track on most of the network ⓘ |
| openingDate | 1885 ⓘ |
| operator |
Sarajevo
ⓘ
surface form:
GRAS Sarajevo
|
| originalTractionType | horse-drawn tram ⓘ |
| owner |
Sarajevo
ⓘ
surface form:
City of Sarajevo
|
| primaryFunction | urban public transport ⓘ |
| propulsionSystem | electric overhead line ⓘ |
| reconstructionPeriod | post-1995 ⓘ |
| safetySystem | street-running with mixed traffic on many sections ⓘ |
| serves |
Sarajevo
ⓘ
surface form:
Sarajevo metropolitan area
|
| significance | backbone of Sarajevo public transport ⓘ |
| status | in operation ⓘ |
| trackGauge |
1000 mm
ⓘ
metre gauge ⓘ |
| transportType |
light rail
ⓘ
tram ⓘ |
| usedFor |
daily commuting
ⓘ
tourist transport ⓘ |
| wasDamagedDuring |
Bosnian War
ⓘ
Siege of Sarajevo ⓘ |
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: Sarajevo tram system Description of subject: The Sarajevo tram system is a historic urban light rail network in Bosnia and Herzegovina’s capital, known as one of the oldest electric tram systems in Europe and a key component of the city’s public transport.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sarajevo Tramway