Soya Main Line
E928767
The Soya Main Line is a major railway line in Hokkaido, Japan, running through northern regions including Asahikawa and extending toward Wakkanai near Japan’s northernmost point.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Soya Main Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11486584 — 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: Soya Main Line Context triple: [Asahikawa, connectedBy, Soya Main Line]
-
A.
Watercress Line
The Watercress Line is a preserved heritage railway in Hampshire, England, known for its steam-hauled trains running through the countryside between Alton and Alresford.
-
B.
Fen Line
The Fen Line is a railway route in eastern England that runs north from Cambridge towards King’s Lynn, serving towns and communities across Cambridgeshire and Norfolk.
-
C.
Marshlink Line
The Marshlink Line is a regional railway route in Southeast England that runs across the Romney Marsh, connecting Ashford International with Hastings and serving several rural communities.
-
D.
Coast Line
Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
-
E.
Warminster Line
The Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in and around Warminster, Pennsylvania.
- 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: Soya Main Line Target entity description: The Soya Main Line is a major railway line in Hokkaido, Japan, running through northern regions including Asahikawa and extending toward Wakkanai near Japan’s northernmost point.
-
A.
Watercress Line
The Watercress Line is a preserved heritage railway in Hampshire, England, known for its steam-hauled trains running through the countryside between Alton and Alresford.
-
B.
Fen Line
The Fen Line is a railway route in eastern England that runs north from Cambridge towards King’s Lynn, serving towns and communities across Cambridgeshire and Norfolk.
-
C.
Marshlink Line
The Marshlink Line is a regional railway route in Southeast England that runs across the Romney Marsh, connecting Ashford International with Hastings and serving several rural communities.
-
D.
Coast Line
Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
-
E.
Warminster Line
The Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in and around Warminster, Pennsylvania.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
heavy rail
ⓘ
railway line ⓘ |
| connectsTo | Hakodate Main Line at Asahikawa NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | none ⓘ |
| endPoint | Wakkanai Station NERFINISHED ⓘ |
| gauge |
1067 mm
ⓘ
Cape gauge ⓘ |
| hasService |
limited express trains
ⓘ
local trains ⓘ |
| historicalOperator | Japanese National Railways NERFINISHED ⓘ |
| lineType |
intercity rail
ⓘ
regional rail ⓘ |
| locatedIn |
Asahikawa
NERFINISHED
ⓘ
Hokkaido ⓘ Wakkanai NERFINISHED ⓘ northern Hokkaido ⓘ |
| nativeName | 宗谷本線 NERFINISHED ⓘ |
| nativeNameLanguage | ja ⓘ |
| near | Japan’s northernmost point ⓘ |
| opened | early 20th century ⓘ |
| operator | Hokkaido Railway Company NERFINISHED ⓘ |
| owner | Hokkaido Railway Company NERFINISHED ⓘ |
| regionServed |
Kamikawa Subprefecture
NERFINISHED
ⓘ
Soya Subprefecture NERFINISHED ⓘ |
| serves |
Asahikawa area
ⓘ
Wakkanai area ⓘ rural areas of northern Hokkaido ⓘ |
| signallingSystem | automatic block ⓘ |
| startPoint | Asahikawa Station NERFINISHED ⓘ |
| terminusStation |
Asahikawa Station
NERFINISHED
ⓘ
Wakkanai Station NERFINISHED ⓘ |
| trackConfiguration | single track ⓘ |
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: Soya Main Line Description of subject: The Soya Main Line is a major railway line in Hokkaido, Japan, running through northern regions including Asahikawa and extending toward Wakkanai near Japan’s northernmost point.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.