Line 5
E834773
Line 5 is one of the main lines of the Saint Petersburg Metro system, forming part of the city’s rapid transit network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 5 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10011922 — 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: Line 5 Context triple: [Sadovaya metro station, line, Line 5]
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A.
Line 5
Line 5 is a major north–south route of the Beijing Subway known for connecting key residential and commercial areas through the city center.
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B.
Line 5
Line 5 is a major east–west rapid transit route in the Guangzhou Metro system, serving key urban districts and facilitating high-capacity cross-city travel.
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C.
Line 5
Line 5 is a major east–west route of the Brussels Metro system, connecting key districts across the Belgian capital.
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D.
Line 5
Line 5 is a rapid transit line of the Shenzhen Metro system in Shenzhen, China, serving as one of the city's key urban rail corridors.
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E.
Line 5
Line 5 is a major east–west rapid transit line of the Seoul Metropolitan Subway system in South Korea, serving key districts across the city and extending into surrounding areas.
- 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: Line 5 Target entity description: Line 5 is one of the main lines of the Saint Petersburg Metro system, forming part of the city’s rapid transit network.
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A.
Line 5
Line 5 is a major line of the Barcelona Metro rapid transit system, serving numerous key neighborhoods and transport hubs across the city.
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B.
Line 5
Line 5 is a rapid transit line of the Shenzhen Metro system in Shenzhen, China, serving as one of the city's key urban rail corridors.
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C.
Line 5
Line 5 is one of the lines of the Mexico City Metro system, serving multiple stations across the city as part of its rapid transit network.
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D.
Line 5
Line 5 is a rapid transit line of the Shanghai Metro system serving the southern suburbs of the city.
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E.
Line 5
Line 5 is a major east–west rapid transit line of the Seoul Metropolitan Subway system in South Korea, serving key districts across the city and extending into surrounding areas.
- F. None of above. chosen
Statements (19)
| Predicate | Object |
|---|---|
| instanceOf | metro line ⓘ |
| country | Russia ⓘ |
| electrification | third rail ⓘ |
| fareSystem | Saint Petersburg Metro fare system ⓘ |
| hasOwner | Saint Petersburg Metro authorities ⓘ |
| hasRollingStockType | electric multiple unit trains ⓘ |
| isMainLineOf |
Saint Petersburg Metro rapid transit network
ⓘ
linked to:
Saint Petersburg Metro
|
| isPartOfNetwork |
Saint Petersburg rapid transit network
ⓘ
linked to:
Saint Petersburg urban transport network
|
| isPublicTransportInfrastructure | yes ⓘ |
| isUnderground | yes ⓘ |
| locatedIn |
Russia
ⓘ
Saint Petersburg ⓘ
linked to:
St. Petersburg
|
| partOf | Saint Petersburg Metro ⓘ |
| publicTransportMode | metro ⓘ |
| serves |
Saint Petersburg urban area
ⓘ
linked to:
Saint Petersburg agglomeration
|
| system | Saint Petersburg Metro ⓘ |
| trackGauge | Russian gauge ⓘ |
| transportType | rapid transit ⓘ |
| usesTicketingSystem | Saint Petersburg Metro ticketing ⓘ |
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: Line 5 Description of subject: Line 5 is one of the main lines of the Saint Petersburg Metro system, forming part of the city’s rapid transit network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.