Tōhoku Shinkansen
E185892
The Tōhoku Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Tōhoku region in the northeast of Honshu.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Tōhoku Shinkansen canonical | 37 |
| Tohoku Shinkansen | 26 |
| JR East Shinkansen network | 1 |
| 東北新幹線 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1592351 — 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: Tōhoku Shinkansen Context triple: [Tokyo Station, serves, Tōhoku Shinkansen]
-
A.
Jōetsu Shinkansen
The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
-
B.
Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
-
C.
Tokaido Shinkansen
The Tokaido Shinkansen is Japan’s pioneering high-speed rail line connecting Tokyo with Osaka and other major cities, renowned for its speed, punctuality, and heavy passenger usage.
-
D.
Kyushu Shinkansen
Kyushu Shinkansen is a high-speed railway line in Japan that connects major cities across the island of Kyushu as part of the national Shinkansen network.
-
E.
JR Yamanote Line
The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
- 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: Tōhoku Shinkansen Target entity description: The Tōhoku Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Tōhoku region in the northeast of Honshu.
-
A.
Jōetsu Shinkansen
The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
-
B.
Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
-
C.
Tokaido Shinkansen
The Tokaido Shinkansen is Japan’s pioneering high-speed rail line connecting Tokyo with Osaka and other major cities, renowned for its speed, punctuality, and heavy passenger usage.
-
D.
Kyushu Shinkansen
Kyushu Shinkansen is a high-speed railway line in Japan that connects major cities across the island of Kyushu as part of the national Shinkansen network.
-
E.
JR Yamanote Line
The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
Shinkansen line
ⓘ
high-speed rail line ⓘ |
| connectsCity |
Hachinohe
NERFINISHED
ⓘ
Morioka NERFINISHED ⓘ Sendai ⓘ Shin-Aomori NERFINISHED ⓘ Tokyo ⓘ |
| connectsWith |
Akita Shinkansen
ⓘ
Hokkaido Shinkansen ⓘ Joetsu Shinkansen ⓘ
linked to:
Jōetsu Shinkansen
Yamagata Shinkansen ⓘ |
| country | Japan ⓘ |
| electrification | AC 25 kV 50 Hz overhead catenary ⓘ |
| endingPoint | Shin-Aomori Station NERFINISHED ⓘ |
| extendedTo |
Hachinohe Station
NERFINISHED
ⓘ
Shin-Aomori Station NERFINISHED ⓘ Tokyo Station ⓘ |
| gauge | standard gauge ⓘ |
| initialSectionOpened | Omiya–Morioka ⓘ |
| isHighSpeedRail | true ⓘ |
| lineLength | approximately 674 km ⓘ |
| locale | Honshu ⓘ |
| majorStation |
Fukushima Station
NERFINISHED
ⓘ
Hachinohe Station NERFINISHED ⓘ Morioka Station NERFINISHED ⓘ Omiya Station NERFINISHED ⓘ Sendai Station ⓘ Shin-Aomori Station NERFINISHED ⓘ Utsunomiya Station NERFINISHED ⓘ |
| maximumOperatingSpeed | 320 km/h ⓘ |
| nativeName |
東北新幹線
ⓘ
linked to:
Tōhoku Shinkansen
|
| nativeNameLanguage | ja ⓘ |
| opened | 1982-06-23 ⓘ |
| operator |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
|
| owner | East Japan Railway Company ⓘ |
| partOfNetwork | Shinkansen network of Japan ⓘ |
| regionServed |
Tōhoku region
ⓘ
linked to:
Tohoku
|
| serviceType |
Hayabusa
ⓘ
Hayate ⓘ Komachi ⓘ
linked to:
Yamabiko
Nasuno ⓘ Yamabiko ⓘ |
| startingPoint | Tokyo Station ⓘ |
| terminus |
Shin-Aomori Station
NERFINISHED
ⓘ
Tokyo Station ⓘ |
| trackConfiguration | double track ⓘ |
| usesRollingStock |
E2 series Shinkansen
ⓘ
E3 series Shinkansen ⓘ E5 series Shinkansen ⓘ E6 series Shinkansen ⓘ H5 series Shinkansen ⓘ |
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: Tōhoku Shinkansen Description of subject: The Tōhoku Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Tōhoku region in the northeast of Honshu.
Referenced by (65)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
subject linked to:
Morioka, Japan
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
subject linked to:
Utsunomiya, Tochigi Prefecture, Japan
linked to: Tōhoku Shinkansen
subject linked to:
Oshu, Iwate, Japan
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen
linked to: Tōhoku Shinkansen