Shin-Aomori–Shin-Hakodate-Hokuto
E923925
Shin-Aomori–Shin-Hakodate-Hokuto is the northernmost segment of Japan’s Shinkansen high-speed rail network, linking Honshu and Hokkaido via the undersea Seikan Tunnel.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Shin-Aomori–Shin-Hakodate-Hokuto canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11406062 — 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: Shin-Aomori–Shin-Hakodate-Hokuto Context triple: [JR Hokkaido, HokkaidoShinkansenSection, Shin-Aomori–Shin-Hakodate-Hokuto]
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A.
Hakodate Main Line
The Hakodate Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities including Hakodate and Sapporo and serving as one of the region’s primary transport routes.
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B.
Furano Line
The Furano Line is a railway line in Hokkaido, Japan, known for connecting rural towns and offering scenic views of the region’s famous flower fields and countryside.
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C.
Hokkaido Main Line
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.
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D.
Tenryū Hamanako Line
The Tenryū Hamanako Line is a regional railway in Shizuoka Prefecture, Japan, running along the Tenryū River and Lake Hamana and connecting inland communities with coastal areas.
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E.
Nemuro Main Line
The Nemuro Main Line is a major railway line in Hokkaido, Japan, operated by JR Hokkaido and connecting inland cities such as Obihiro with eastern Hokkaido.
- 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: Shin-Aomori–Shin-Hakodate-Hokuto Target entity description: Shin-Aomori–Shin-Hakodate-Hokuto is the northernmost segment of Japan’s Shinkansen high-speed rail network, linking Honshu and Hokkaido via the undersea Seikan Tunnel.
-
A.
Hakodate Main Line
The Hakodate Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities including Hakodate and Sapporo and serving as one of the region’s primary transport routes.
-
B.
Furano Line
The Furano Line is a railway line in Hokkaido, Japan, known for connecting rural towns and offering scenic views of the region’s famous flower fields and countryside.
-
C.
Hokkaido Main Line
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.
-
D.
Tenryū Hamanako Line
The Tenryū Hamanako Line is a regional railway in Shizuoka Prefecture, Japan, running along the Tenryū River and Lake Hamana and connecting inland communities with coastal areas.
-
E.
Nemuro Main Line
The Nemuro Main Line is a major railway line in Hokkaido, Japan, operated by JR Hokkaido and connecting inland cities such as Obihiro with eastern Hokkaido.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
high-speed railway line segment
ⓘ
railway line section ⓘ |
| belongsToNetwork |
Japanese high-speed rail network
ⓘ
Shinkansen network NERFINISHED ⓘ |
| connectsIsland |
Hokkaido
NERFINISHED
ⓘ
Honshu NERFINISHED ⓘ |
| connectsRegion |
Hokkaido region
NERFINISHED
ⓘ
Tohoku region NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | AC 25 kV 50 Hz overhead catenary ⓘ |
| endStation | Shin-Hakodate-Hokuto Station NERFINISHED ⓘ |
| formsPartOfCorridor | Tokyo–Sapporo high-speed rail corridor NERFINISHED ⓘ |
| hasUnderseaSection | yes ⓘ |
| lineStatus | in operation ⓘ |
| linkedBy | Seikan Tunnel NERFINISHED ⓘ |
| locatedIn | Japan ⓘ |
| maximumOperatingSpeed | 260 km/h ⓘ |
| northernmostSegmentOf | Shinkansen network NERFINISHED ⓘ |
| openedForShinkansenService | 2016 ⓘ |
| operator |
East Japan Railway Company
ⓘ
Hokkaido Railway Company NERFINISHED ⓘ |
| partiallySharedWith | Kaikyō Line NERFINISHED ⓘ |
| partOf | Hokkaido Shinkansen NERFINISHED ⓘ |
| passesUnder | Tsugaru Strait NERFINISHED ⓘ |
| purpose | high-speed passenger transport between Honshu and Hokkaido ⓘ |
| railwayGauge | 1,435 mm ⓘ |
| railwaySystem | standard-gauge Shinkansen ⓘ |
| railwayType | Shinkansen NERFINISHED ⓘ |
| startStation | Shin-Aomori Station NERFINISHED ⓘ |
| traversesPrefecture |
Aomori Prefecture
NERFINISHED
ⓘ
Hokkaido NERFINISHED ⓘ |
| usesStructure | undersea railway tunnel ⓘ |
| usesTunnel | Seikan Tunnel NERFINISHED ⓘ |
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: Shin-Aomori–Shin-Hakodate-Hokuto Description of subject: Shin-Aomori–Shin-Hakodate-Hokuto is the northernmost segment of Japan’s Shinkansen high-speed rail network, linking Honshu and Hokkaido via the undersea Seikan Tunnel.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.