Saint Petersburg tram network
E617248
The Saint Petersburg tram network is an extensive urban tramway system in Saint Petersburg, Russia, historically one of the world’s largest and a key component of the city’s public transport.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Saint Petersburg tram network canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6769453 — 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: Saint Petersburg tram network Context triple: [Saint Petersburg Metro, connectsTo, Saint Petersburg tram network]
-
A.
Moscow tram network
The Moscow tram network is an extensive urban tramway system that complements the Moscow Metro by providing surface-level public transportation across the city.
-
B.
Saint Petersburg Metro
The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
-
C.
Saint Petersburg suburban railways
Saint Petersburg suburban railways are an extensive commuter rail network serving the greater Saint Petersburg metropolitan area, connecting the city with its surrounding suburbs and regional towns.
-
D.
Volgograd tram network
The Volgograd tram network is an extensive urban tramway system serving the Russian city of Volgograd, providing surface-level public transport that complements the partially grade-separated Volgograd Metrotram.
-
E.
Volgograd Metrotram
The Volgograd Metrotram is a hybrid light rail and underground tram system in Volgograd, Russia, providing rapid transit-style service along a dedicated north–south corridor through the city.
- 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: Saint Petersburg tram network Target entity description: The Saint Petersburg tram network is an extensive urban tramway system in Saint Petersburg, Russia, historically one of the world’s largest and a key component of the city’s public transport.
-
A.
Moscow tram network
The Moscow tram network is an extensive urban tramway system that complements the Moscow Metro by providing surface-level public transportation across the city.
-
B.
Saint Petersburg Metro
The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
-
C.
Saint Petersburg suburban railways
Saint Petersburg suburban railways are an extensive commuter rail network serving the greater Saint Petersburg metropolitan area, connecting the city with its surrounding suburbs and regional towns.
-
D.
Volgograd tram network
The Volgograd tram network is an extensive urban tramway system serving the Russian city of Volgograd, providing surface-level public transport that complements the partially grade-separated Volgograd Metrotram.
-
E.
Volgograd Metrotram
The Volgograd Metrotram is a hybrid light rail and underground tram system in Volgograd, Russia, providing rapid transit-style service along a dedicated north–south corridor through the city.
- F. None of above. chosen
Statements (59)
| Predicate | Object |
|---|---|
| instanceOf |
tram network
ⓘ
urban rail transit system ⓘ |
| connectsTo |
Saint Petersburg Metro
ⓘ
Saint Petersburg bus network ⓘ Saint Petersburg suburban railway network ⓘ
linked to:
Saint Petersburg suburban railways
Saint Petersburg trolleybus system ⓘ |
| country | Russia ⓘ |
| electrification | electric tramway ⓘ |
| fareSystem |
flat fare system
ⓘ
integrated with Saint Petersburg public transport fares ⓘ |
| fareZoneSystem | single-zone urban system ⓘ |
| hasDepot |
tram depot No. 1
ⓘ
tram depot No. 2 ⓘ tram depot No. 3 ⓘ tram depot No. 4 ⓘ tram depot No. 5 ⓘ |
| hasMode | surface rail ⓘ |
| hasRollingStock |
71-134 tram
ⓘ
71-623 tram ⓘ 71-631 tram ⓘ 71-631-02 tram ⓘ 71-923 Bogatyr tram ⓘ 71-931M Vityaz-M tram ⓘ LM-2008 tram ⓘ LM-68 tram ⓘ LM-68M tram ⓘ
linked to:
LM-68 tram
LM-99 tram ⓘ LM-99AVN tram ⓘ
linked to:
LM-99 tram
LM-99K tram ⓘ
linked to:
LM-99 tram
|
| hasRouteType |
cross-city routes
ⓘ
radial routes ⓘ suburban routes ⓘ |
| historicalStatus |
one of the largest tram networks in Russia
ⓘ
one of the world’s largest tram networks ⓘ |
| languageOfSignage | Russian ⓘ |
| locatedIn |
Leningrad Oblast
ⓘ
Saint Petersburg ⓘ
linked to:
St. Petersburg
|
| networkType | street-running tramway ⓘ |
| notableFeature |
dense historical tram track network
ⓘ
modern low-floor trams introduced in the 21st century ⓘ significant route closures after 1990s ⓘ |
| openingDate | 1907-09-29 ⓘ |
| operator |
Gorelektrotrans
ⓘ
SPb GUP Gorelektrotrans ⓘ |
| owner |
City of Saint Petersburg
ⓘ
linked to:
Saint Petersburg Federal City
|
| partOf | public transport in Saint Petersburg ⓘ |
| primaryUse | urban passenger transport ⓘ |
| propulsionSystem | electric traction ⓘ |
| regulatoryAuthority | Government of Saint Petersburg ⓘ |
| safetySystem | line-of-sight operation ⓘ |
| servedCity |
Saint Petersburg
ⓘ
linked to:
St. Petersburg
|
| servicePattern |
all-day service
ⓘ
peak-hour service ⓘ |
| ticketing |
contactless smart card
ⓘ
electronic travel card ⓘ paper tickets ⓘ |
| trackGauge |
1524 mm
ⓘ
Russian broad gauge ⓘ |
| transportType | tram ⓘ |
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: Saint Petersburg tram network Description of subject: The Saint Petersburg tram network is an extensive urban tramway system in Saint Petersburg, Russia, historically one of the world’s largest and a key component of the city’s public transport.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.