Asama
E934412
Asama is a high-speed Shinkansen train service in Japan that operates primarily on the Hokuriku Shinkansen line between Tokyo and Nagano.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Asama canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11575711 — 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: Asama Context triple: [JR West Shinkansen, serviceBrand, Asama]
-
A.
Mount Asama
Mount Asama is an active and prominent volcano in central Honshu, Japan, known for its frequent eruptions and status as one of the country’s most closely monitored peaks.
-
B.
Mount Ishizuchi
Mount Ishizuchi is a prominent and sacred peak in western Japan, renowned as one of the country's Seven Holy Mountains and a popular destination for hiking and pilgrimage.
-
C.
Ashitaka volcano
Ashitaka volcano is a stratovolcano in central Japan located near Mount Fuji, forming part of the broader volcanic landscape of the region.
-
D.
Mount Aso
Mount Aso is one of Japan’s largest and most active volcanoes, featuring a vast caldera and multiple central cones on the island of Kyushu.
-
E.
Raikō-tō
Raikō-tō is the Japanese name for Raikoke, an uninhabited volcanic island in Russia’s Kuril Islands chain known for its explosive eruptions.
- 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: Asama Target entity description: Asama is a high-speed Shinkansen train service in Japan that operates primarily on the Hokuriku Shinkansen line between Tokyo and Nagano.
-
A.
Mount Asama
Mount Asama is an active and prominent volcano in central Honshu, Japan, known for its frequent eruptions and status as one of the country’s most closely monitored peaks.
-
B.
Mount Ishizuchi
Mount Ishizuchi is a prominent and sacred peak in western Japan, renowned as one of the country's Seven Holy Mountains and a popular destination for hiking and pilgrimage.
-
C.
Ashitaka volcano
Ashitaka volcano is a stratovolcano in central Japan located near Mount Fuji, forming part of the broader volcanic landscape of the region.
-
D.
Mount Aso
Mount Aso is one of Japan’s largest and most active volcanoes, featuring a vast caldera and multiple central cones on the island of Kyushu.
-
E.
Raikō-tō
Raikō-tō is the Japanese name for Raikoke, an uninhabited volcanic island in Russia’s Kuril Islands chain known for its explosive eruptions.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Shinkansen train service
ⓘ
passenger rail service ⓘ |
| classOffered |
Gran Class
ⓘ
Green Car ⓘ Ordinary Class ⓘ |
| country | Japan ⓘ |
| electrification | 25 kV AC 50 Hz overhead catenary ⓘ |
| endPoint | Nagano Station NERFINISHED ⓘ |
| formerRollingStockUsed |
200 series Shinkansen
NERFINISHED
ⓘ
E4 series Shinkansen NERFINISHED ⓘ |
| gauge | 1,435 mm standard gauge ⓘ |
| introducedFor | opening of the Nagano Shinkansen section of the Hokuriku Shinkansen ⓘ |
| introducedServiceOn | 1997-10-01 ⓘ |
| locale |
Chūbu region
NERFINISHED
ⓘ
Honshu NERFINISHED ⓘ Kantō region NERFINISHED ⓘ |
| maximumServiceSpeed | 260 km/h ⓘ |
| namedAfter | Mount Asama NERFINISHED ⓘ |
| onboardServices |
non-smoking cars
ⓘ
toilets ⓘ vending machines (on some sets) ⓘ |
| operator |
East Japan Railway Company
ⓘ
JR East NERFINISHED ⓘ |
| partOf | Hokuriku Shinkansen service pattern ⓘ |
| primaryMarket | Tokyo–Nagano intercity travel ⓘ |
| railwayCompanySector | JR East Shinkansen division NERFINISHED ⓘ |
| railwayLineUsed | Hokuriku Shinkansen NERFINISHED ⓘ |
| rollingStockUsed |
E2 series Shinkansen
NERFINISHED
ⓘ
E7 series Shinkansen NERFINISHED ⓘ W7 series Shinkansen NERFINISHED ⓘ |
| safetySystem |
ATC (Automatic Train Control)
NERFINISHED
ⓘ
digital communication-based train control (on newer sets) ⓘ |
| serviceType |
high-speed rail
ⓘ
limited-stop service ⓘ |
| startPoint | Tokyo Station NERFINISHED ⓘ |
| status | in operation ⓘ |
| stopsAt |
Karuizawa Station
NERFINISHED
ⓘ
Nagano Station NERFINISHED ⓘ Omiya Station NERFINISHED ⓘ Sakudaira Station NERFINISHED ⓘ Takasaki Station NERFINISHED ⓘ Ueda Station NERFINISHED ⓘ Ueno Station NERFINISHED ⓘ |
| terminus |
Nagano Station
NERFINISHED
ⓘ
Tokyo Station NERFINISHED ⓘ |
| ticketing | all-reserved seating ⓘ |
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: Asama Description of subject: Asama is a high-speed Shinkansen train service in Japan that operates primarily on the Hokuriku Shinkansen line between Tokyo and Nagano.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.