Saint Petersburg trolleybus network
E619862
The Saint Petersburg trolleybus network is an extensive electric public transport system in Saint Petersburg, Russia, operating trolleybuses along city streets and serving as a major component of the urban transit infrastructure.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Saint Petersburg trolleybus network canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6769454 — 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 trolleybus network Context triple: [Saint Petersburg Metro, connectsTo, Saint Petersburg trolleybus network]
-
A.
Saint Petersburg tram network
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.
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B.
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.
-
C.
Volgograd trolleybus network
The Volgograd trolleybus network is an electric public transit system in Volgograd, Russia, providing urban transportation via trolleybuses powered by overhead wires.
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D.
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.
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E.
Crimean trolleybus line
The Crimean trolleybus line is a long-distance electric trolleybus route in Crimea, notable for being one of the world’s longest trolleybus lines and connecting cities such as Simferopol, Alushta, and Yalta across mountainous terrain.
- 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 trolleybus network Target entity description: The Saint Petersburg trolleybus network is an extensive electric public transport system in Saint Petersburg, Russia, operating trolleybuses along city streets and serving as a major component of the urban transit infrastructure.
-
A.
Saint Petersburg tram network
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.
-
B.
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.
-
C.
Volgograd trolleybus network
The Volgograd trolleybus network is an electric public transit system in Volgograd, Russia, providing urban transportation via trolleybuses powered by overhead wires.
-
D.
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.
-
E.
Crimean trolleybus line
The Crimean trolleybus line is a long-distance electric trolleybus route in Crimea, notable for being one of the world’s longest trolleybus lines and connecting cities such as Simferopol, Alushta, and Yalta across mountainous terrain.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
electric transport system
ⓘ
trolleybus network ⓘ |
| country | Russia ⓘ |
| energySource | urban electric power grid of Saint Petersburg ⓘ |
| environmentalCharacteristic | zero local emissions at point of use ⓘ |
| fareSystem | integrated urban public transport fares in Saint Petersburg ⓘ |
| hasComponent |
overhead line infrastructure
ⓘ
trolleybus depots ⓘ trolleybus routes ⓘ |
| hasLanguageOfSignage | Russian ⓘ |
| infrastructureType | fixed-route transit ⓘ |
| isMajorComponentOf | Saint Petersburg public transport system ⓘ |
| locatedIn |
St. Petersburg
ⓘ
surface form:
Saint Petersburg
Saint Petersburg, Russia NERFINISHED ⓘ |
| modeOfTransport | trolleybus ⓘ |
| operatesOn | city streets ⓘ |
| operatorType | municipal transport operator ⓘ |
| partOf |
public transport in Saint Petersburg
ⓘ
urban transit infrastructure of Saint Petersburg ⓘ |
| poweredBy | electricity ⓘ |
| primaryFunction | passenger transport ⓘ |
| region | Northwestern Federal District of Russia NERFINISHED ⓘ |
| regulatoryAuthority | city authorities of Saint Petersburg ⓘ |
| safetySystem | traffic regulations of Saint Petersburg ⓘ |
| serves | Saint Petersburg NERFINISHED ⓘ |
| serviceType | scheduled public transport ⓘ |
| tractionType | electric ⓘ |
| transportType | urban transit ⓘ |
| typicalUse |
daily commuting
ⓘ
urban mobility ⓘ |
| uses | overhead electric wires ⓘ |
| vehicleTypeUsed | trolleybuses ⓘ |
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 trolleybus network Description of subject: The Saint Petersburg trolleybus network is an extensive electric public transport system in Saint Petersburg, Russia, operating trolleybuses along city streets and serving as a major component of the urban transit infrastructure.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.