Tokaido Shinkansen
E63499
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.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Tokaido Shinkansen canonical | 30 |
| Tōkaidō Shinkansen | 26 |
| 東海道新幹線 | 2 |
| Tokaido Shinkansen at Shin-Osaka Station | 1 |
| Tokaido Shinkansen network | 1 |
| Tōkaidō Shinkansen high-speed rail line | 1 |
| Tōkaidō Shinkansen network | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T509590 — 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: Tokaido Shinkansen Context triple: [Shin-Osaka Station, servedByLine, Tokaido Shinkansen]
-
A.
Tōkaidō Main Line
The Tōkaidō Main Line is one of Japan’s most important and heavily used railway corridors, linking Tokyo with Osaka and other major cities along the historic Tōkaidō route.
-
B.
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.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
E.
JR Shonan–Shinjuku Line
The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
- 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: Tokaido Shinkansen Target entity description: 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.
-
A.
Tōkaidō Main Line
The Tōkaidō Main Line is one of Japan’s most important and heavily used railway corridors, linking Tokyo with Osaka and other major cities along the historic Tōkaidō route.
-
B.
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.
-
C.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
D.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
E.
JR Shonan–Shinjuku Line
The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Shinkansen line
ⓘ
high-speed railway line ⓘ |
| connectsCity |
Kyoto
ⓘ
Nagoya ⓘ Osaka ⓘ Tokyo ⓘ |
| connectsRegion |
Chūbu region
ⓘ
surface form:
Chubu region
Kansai region ⓘ Kantō region ⓘ
surface form:
Kanto region
|
| country | Japan ⓘ |
| dailyRidership | one of the highest of any high-speed rail line in the world ⓘ |
| designedSpeedClass_kmh | up to 300 ⓘ |
| electrification | 25 kV AC overhead catenary ⓘ |
| endStation | Shin-Osaka Station ⓘ |
| formerRollingStockSeries |
Japanese Shinkansen Series 0 car
ⓘ
surface form:
0 series Shinkansen
100 series Shinkansen ⓘ 300 series Shinkansen ⓘ 700 series Shinkansen ⓘ |
| infrastructureType | standard-gauge dedicated high-speed tracks ⓘ |
| interchangeWithLine |
Sanyo Shinkansen
ⓘ
surface form:
Sanyo Shinkansen at Shin-Osaka
|
| lineLength_km | about 515 ⓘ |
| managedBy |
Central Japan Railway Company
ⓘ
surface form:
JR Central Tokaido Shinkansen Company (internal division of JR Central)
|
| maximumOperatingSpeed_kmh | 285 ⓘ |
| nativeName |
Tokaido Shinkansen
self-linksurface differs
ⓘ
surface form:
東海道新幹線
|
| notableFeature |
pioneering high-speed rail line in Japan
ⓘ
renowned for high frequency of service ⓘ renowned for punctuality ⓘ |
| notableFor | heavy passenger usage ⓘ |
| numberOfTracks | 2 ⓘ |
| openedForService | 1964 ⓘ |
| openedInContextOf | 1964 Tokyo Olympics ⓘ |
| openingDate | 1964-10-01 ⓘ |
| operator |
Central Japan Railway Company
ⓘ
Central Japan Railway Company ⓘ
surface form:
JR Central
|
| owner | Central Japan Railway Company ⓘ |
| primaryRollingStockSeries |
N700A series
ⓘ
N700S series ⓘ |
| routeFollows | historical Tokaido corridor ⓘ |
| safetyRecord | no passenger fatalities due to train accidents in regular operation as of early 2020s ⓘ |
| servicePattern |
Hikari
ⓘ
Kodama ⓘ Nozomi ⓘ |
| serviceType | high-speed passenger rail ⓘ |
| startStation | Tokyo Station ⓘ |
| terminusStation |
Shin-Osaka Station
ⓘ
Tokyo Station ⓘ |
| ticketingSystem | reserved and non-reserved seating ⓘ |
| trackGauge_mm | 1435 ⓘ |
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: Tokaido Shinkansen Description of subject: 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.
Referenced by (62)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tōkaidō Shinkansen
this entity surface form:
Tōkaidō Shinkansen
subject surface form:
Nagoya