Hokkaido Main Line
E445380
The Hokkaido Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities and serving as one of the region’s primary transportation routes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hokkaido Main Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2480079 — 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: Hokkaido Main Line Context triple: [Japanese National Railways, operatedLine, Hokkaido Main Line]
-
A.
Sōbu Line
The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
-
B.
Shinetsu Main Line
The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central Honshu.
-
C.
Kosei Line
The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
-
D.
Sakaisuji Line
The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
-
E.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
- 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: Hokkaido Main Line Target entity description: The Hokkaido Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities and serving as one of the region’s primary transportation routes.
-
A.
Sōbu Line
The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
-
B.
Shinetsu Main Line
The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central Honshu.
-
C.
Kosei Line
The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
-
D.
Sakaisuji Line
The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
-
E.
Yamatoji Line
The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
heavy rail
ⓘ
railway line ⓘ |
| connectsCity |
Asahikawa
NERFINISHED
ⓘ
Fukagawa NERFINISHED ⓘ Hakodate NERFINISHED ⓘ Iwamizawa NERFINISHED ⓘ Otaru NERFINISHED ⓘ Sapporo NERFINISHED ⓘ Takikawa NERFINISHED ⓘ |
| connectsToLine |
Gakuentoshi Line
NERFINISHED
ⓘ
Hakodate Main Line NERFINISHED ⓘ Hakodate Shinkansen (via Hakodate area connections) NERFINISHED ⓘ Muroran Main Line NERFINISHED ⓘ Rumoi Main Line NERFINISHED ⓘ Sasshō Line NERFINISHED ⓘ Sekihoku Main Line NERFINISHED ⓘ Sōya Main Line NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | 20 kV AC 50 Hz overhead catenary (partial) ⓘ |
| formerOperator | Japanese National Railways NERFINISHED ⓘ |
| gauge |
1067 mm
ⓘ
Cape gauge ⓘ |
| hasLanguageOfSignage | Japanese ⓘ |
| locatedIn | Hokkaido NERFINISHED ⓘ |
| locatedOnIsland | Hokkaido Island NERFINISHED ⓘ |
| majorStation |
Fukagawa Station
NERFINISHED
ⓘ
Iwamizawa Station NERFINISHED ⓘ Oshamambe Station NERFINISHED ⓘ Otaru Station NERFINISHED ⓘ Sapporo Station NERFINISHED ⓘ Takikawa Station NERFINISHED ⓘ Teine Station NERFINISHED ⓘ |
| operator | Hokkaido Railway Company NERFINISHED ⓘ |
| owner | Hokkaido Railway Company NERFINISHED ⓘ |
| partOf | JR Hokkaido network NERFINISHED ⓘ |
| primaryFunction |
freight transport
ⓘ
intercity passenger transport ⓘ regional commuter transport ⓘ |
| regionServed |
Ishikari Subprefecture
NERFINISHED
ⓘ
Oshima Subprefecture NERFINISHED ⓘ Shiribeshi Subprefecture NERFINISHED ⓘ Sorachi Subprefecture NERFINISHED ⓘ |
| servesRole | main north–south rail corridor in Hokkaido ⓘ |
| status | in operation ⓘ |
| terminus |
Asahikawa Station
NERFINISHED
ⓘ
Hakodate Station NERFINISHED ⓘ |
| trackConfiguration |
double track (major sections)
ⓘ
single track (some sections) ⓘ |
| transportMode | rail ⓘ |
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: Hokkaido Main Line Description of subject: The Hokkaido Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities and serving as one of the region’s primary transportation routes.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.