Helsinki–Oulu route
E915917
The Helsinki–Oulu route is a major Finnish railway corridor connecting the capital region in the south with the northern city of Oulu, serving numerous intermediate cities and towns along the way.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Helsinki–Oulu route canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11216797 — 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: Helsinki–Oulu route Context triple: [Hämeenlinna railway station, isStopOnRoute, Helsinki–Oulu route]
-
A.
Helsinki–Lahti line
The Helsinki–Lahti line is a major Finnish railway route that serves as the country’s primary high-speed corridor between the capital region and eastern Finland.
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B.
Helsinki–Tampere railway
The Helsinki–Tampere railway is a major Finnish rail line connecting the capital Helsinki with the city of Tampere, serving as one of the country’s busiest passenger and freight corridors.
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C.
Helsinki–Riihimäki railway
The Helsinki–Riihimäki railway is a major Finnish rail line forming part of the main route north from Helsinki, serving numerous commuter and long-distance trains.
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D.
Haparanda Line
The Haparanda Line is a railway route in northern Sweden that connects to Finland, serving as an important cross-border transport link.
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E.
Nynäshamn–Ventspils route
The Nynäshamn–Ventspils route is a Baltic Sea ferry connection linking Nynäshamn in Sweden with the port city of Ventspils in Latvia.
- 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: Helsinki–Oulu route Target entity description: The Helsinki–Oulu route is a major Finnish railway corridor connecting the capital region in the south with the northern city of Oulu, serving numerous intermediate cities and towns along the way.
-
A.
Helsinki–Lahti line
The Helsinki–Lahti line is a major Finnish railway route that serves as the country’s primary high-speed corridor between the capital region and eastern Finland.
-
B.
Helsinki–Tampere railway
The Helsinki–Tampere railway is a major Finnish rail line connecting the capital Helsinki with the city of Tampere, serving as one of the country’s busiest passenger and freight corridors.
-
C.
Helsinki–Riihimäki railway
The Helsinki–Riihimäki railway is a major Finnish rail line forming part of the main route north from Helsinki, serving numerous commuter and long-distance trains.
-
D.
Haparanda Line
The Haparanda Line is a railway route in northern Sweden that connects to Finland, serving as an important cross-border transport link.
-
E.
Nynäshamn–Ventspils route
The Nynäshamn–Ventspils route is a Baltic Sea ferry connection linking Nynäshamn in Sweden with the port city of Ventspils in Latvia.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
railway corridor
ⓘ
railway line ⓘ |
| connects |
Helsinki
NERFINISHED
ⓘ
Oulu NERFINISHED ⓘ |
| connectsRegion |
Central Ostrobothnia
NERFINISHED
ⓘ
North Ostrobothnia NERFINISHED ⓘ Pirkanmaa NERFINISHED ⓘ South Ostrobothnia NERFINISHED ⓘ Uusimaa NERFINISHED ⓘ |
| connectsTo |
Helsinki Central railway station
NERFINISHED
ⓘ
Oulu railway station NERFINISHED ⓘ |
| country | Finland ⓘ |
| direction | south–north ⓘ |
| electrification | 25 kV AC overhead line ⓘ |
| gauge |
1524 mm
ⓘ
Russian broad gauge ⓘ |
| hasIntermediateHub |
Kokkola railway station
NERFINISHED
ⓘ
Seinäjoki railway station NERFINISHED ⓘ Tampere railway station NERFINISHED ⓘ |
| hasService |
InterCity trains
NERFINISHED
ⓘ
Pendolino trains ⓘ night trains ⓘ regional trains ⓘ |
| importance | major north–south rail corridor in Finland ⓘ |
| locatedIn |
northern Finland
NERFINISHED
ⓘ
southern Finland ⓘ |
| operator | VR Group NERFINISHED ⓘ |
| partOf | Finnish railway network NERFINISHED ⓘ |
| passesThrough |
Hämeenlinna
NERFINISHED
ⓘ
Kemi NERFINISHED ⓘ Kokkola NERFINISHED ⓘ Lapua NERFINISHED ⓘ Parkano NERFINISHED ⓘ Riihimäki NERFINISHED ⓘ Seinäjoki NERFINISHED ⓘ Tampere NERFINISHED ⓘ Ylivieska NERFINISHED ⓘ |
| terminus |
Helsinki
NERFINISHED
ⓘ
Oulu NERFINISHED ⓘ |
| usedBy | long-distance trains in Finland ⓘ |
| usedFor |
freight transport
ⓘ
passenger transport ⓘ |
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: Helsinki–Oulu route Description of subject: The Helsinki–Oulu route is a major Finnish railway corridor connecting the capital region in the south with the northern city of Oulu, serving numerous intermediate cities and towns along the way.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.