Main Line railway
E665790
The Main Line railway is a major Finnish rail route that connects Helsinki with key cities in the interior, serving as an important passenger and freight corridor through municipalities such as Vantaa.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Main Line railway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7456614 — 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: Main Line railway Context triple: [Vantaa, hasKeyInfrastructure, Main Line railway]
-
A.
Eastern Line
The Eastern Line is a suburban rail service in Auckland, New Zealand, running between the city centre and eastern suburbs as part of the Auckland rail network.
-
B.
Bedford–Brighton line
The Bedford–Brighton line is a major north–south commuter and regional rail route in southern England, running through central London and forming the core of the Thameslink network.
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C.
Coastal Line
Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
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D.
Main North Line
The Main North Line is a major railway route in New Zealand that runs along the South Island’s east coast, linking Christchurch with Picton and serving both freight and passenger services.
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E.
Suburban Line
The Suburban Line is a commuter rail branch of Metra’s Rock Island District serving Chicago-area suburbs.
- 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: Main Line railway Target entity description: The Main Line railway is a major Finnish rail route that connects Helsinki with key cities in the interior, serving as an important passenger and freight corridor through municipalities such as Vantaa.
-
A.
Eastern Line
The Eastern Line is a suburban rail service in Auckland, New Zealand, running between the city centre and eastern suburbs as part of the Auckland rail network.
-
B.
Bedford–Brighton line
The Bedford–Brighton line is a major north–south commuter and regional rail route in southern England, running through central London and forming the core of the Thameslink network.
-
C.
Coastal Line
Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
-
D.
Main North Line
The Main North Line is a major railway route in New Zealand that runs along the South Island’s east coast, linking Christchurch with Picton and serving both freight and passenger services.
-
E.
Suburban Line
The Suburban Line is a commuter rail service of the Beijing Subway system that connects the city center with outlying suburban districts.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport infrastructure
ⓘ
railway line ⓘ |
| connectsCity | Helsinki ⓘ |
| connectsRegion |
Uusimaa
ⓘ
interior regions of Finland ⓘ |
| connectsTo | other Finnish main railway lines at junctions ⓘ |
| country | Finland ⓘ |
| electrification | electrified ⓘ |
| hasFunction |
key freight corridor
ⓘ
key passenger corridor ⓘ major national rail corridor ⓘ |
| infrastructureType | double-track sections ⓘ |
| locatedIn | Finland ⓘ |
| operator | VR Group ⓘ |
| owner | Finnish Transport Infrastructure Agency ⓘ |
| partOf | Finnish railway network ⓘ |
| passesThrough |
Vantaa
ⓘ
municipalities between Helsinki and interior Finland ⓘ |
| railGauge | standard gauge ⓘ |
| serves |
commuter trains
ⓘ
long-distance trains ⓘ |
| significance | one of the most important rail routes in Finland ⓘ |
| terminus | Helsinki ⓘ |
| 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: Main Line railway Description of subject: The Main Line railway is a major Finnish rail route that connects Helsinki with key cities in the interior, serving as an important passenger and freight corridor through municipalities such as Vantaa.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Vantaa, Finland