Saint Petersburg–Helsinki railway
E945424
The Saint Petersburg–Helsinki railway is an international rail line connecting Russia’s Saint Petersburg with Finland’s capital Helsinki, serving as a major passenger and freight corridor between the two countries.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Saint Petersburg–Vyborg railway | 2 |
| Saint Petersburg–Helsinki railway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11766194 — 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–Helsinki railway Context triple: [Finland Station, railwayLineServed, Saint Petersburg–Helsinki railway]
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A.
Murmansk Railway
Murmansk Railway is a major rail line in northwestern Russia that connects the Arctic port city of Murmansk and the Kola Peninsula with the broader Russian railway network.
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B.
Saint Petersburg–Sortavala route
The Saint Petersburg–Sortavala route is a regional transport corridor in northwestern Russia connecting the city of Saint Petersburg with the Karelian town of Sortavala, passing through intermediate localities such as Priozersk.
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C.
Tallinn–Tartu railway
The Tallinn–Tartu railway is a major rail line in Estonia connecting the capital city Tallinn with the university city of Tartu, serving as one of the country's primary passenger and freight corridors.
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D.
Moscow–Minsk railway
The Moscow–Minsk railway is a major international rail line connecting Russia’s capital Moscow with Belarus’s capital Minsk, serving as a key transport corridor between the two countries and further into Europe.
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E.
Moscow–Saint Petersburg railway
The Moscow–Saint Petersburg railway is a major high-speed and conventional rail corridor linking Russia’s two largest cities and serving as one of the country’s most important transportation arteries.
- 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–Helsinki railway Target entity description: The Saint Petersburg–Helsinki railway is an international rail line connecting Russia’s Saint Petersburg with Finland’s capital Helsinki, serving as a major passenger and freight corridor between the two countries.
-
A.
Murmansk Railway
Murmansk Railway is a major rail line in northwestern Russia that connects the Arctic port city of Murmansk and the Kola Peninsula with the broader Russian railway network.
-
B.
Saint Petersburg–Sortavala route
The Saint Petersburg–Sortavala route is a regional transport corridor in northwestern Russia connecting the city of Saint Petersburg with the Karelian town of Sortavala, passing through intermediate localities such as Priozersk.
-
C.
Tallinn–Tartu railway
The Tallinn–Tartu railway is a major rail line in Estonia connecting the capital city Tallinn with the university city of Tartu, serving as one of the country's primary passenger and freight corridors.
-
D.
Moscow–Minsk railway
The Moscow–Minsk railway is a major international rail line connecting Russia’s capital Moscow with Belarus’s capital Minsk, serving as a key transport corridor between the two countries and further into Europe.
-
E.
Moscow–Saint Petersburg railway
The Moscow–Saint Petersburg railway is a major high-speed and conventional rail corridor linking Russia’s two largest cities and serving as one of the country’s most important transportation arteries.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
cross-border railway
ⓘ
international railway line ⓘ railway line ⓘ |
| borderCrossing | Russia–Finland border NERFINISHED ⓘ |
| borderFunction |
customs control corridor
ⓘ
passport control corridor ⓘ |
| connectsCapital | Helsinki NERFINISHED ⓘ |
| connectsCity |
Helsinki
NERFINISHED
ⓘ
Saint Petersburg NERFINISHED ⓘ |
| connectsMajorCity | Saint Petersburg NERFINISHED ⓘ |
| countryServed |
Finland
NERFINISHED
ⓘ
Russia NERFINISHED ⓘ |
| electrification | electrified railway ⓘ |
| gauge | Russian broad gauge ⓘ |
| hasLanguageContext |
Finnish
ⓘ
Russian ⓘ |
| historicalRole | main rail link between Russia and Finland ⓘ |
| locatedIn |
Europe
ⓘ
Northern Europe ⓘ |
| majorUse |
freight transport
ⓘ
passenger transport ⓘ |
| partOf | rail transport between Russia and Finland ⓘ |
| regionServed |
Northwestern Russia
NERFINISHED
ⓘ
Southern Finland NERFINISHED ⓘ |
| status | international corridor ⓘ |
| terminus |
Helsinki
NERFINISHED
ⓘ
Saint Petersburg NERFINISHED ⓘ |
| transportMode | rail ⓘ |
| usedFor |
cross-border freight services
ⓘ
cross-border passenger services ⓘ |
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–Helsinki railway Description of subject: The Saint Petersburg–Helsinki railway is an international rail line connecting Russia’s Saint Petersburg with Finland’s capital Helsinki, serving as a major passenger and freight corridor between the two countries.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Saint Petersburg–Vyborg railway
this entity surface form:
Saint Petersburg–Vyborg railway