Narita Express
E201905
Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and Narita International Airport.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Narita Express canonical | 14 |
| JR East Narita Express | 1 |
| JR East Narita Express services | 1 |
| JR Narita Express | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1592364 — 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: Narita Express Context triple: [Tokyo Station, serves, Narita Express]
-
A.
Akita Shinkansen
The Akita Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Akita Prefecture with the Tōhoku Shinkansen network, providing fast intercity service to and from Tokyo.
-
B.
Yamagata Shinkansen
The Yamagata Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Tokyo with Yamagata Prefecture by upgrading conventional tracks for Shinkansen through-service.
-
C.
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.
-
D.
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.
-
E.
Hokuriku Shinkansen
The Hokuriku Shinkansen is a high-speed rail line in Japan connecting Tokyo with cities along the Sea of Japan coast, including Nagano, Toyama, and Kanazawa.
- 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: Narita Express Target entity description: Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and Narita International Airport.
-
A.
Akita Shinkansen
The Akita Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Akita Prefecture with the Tōhoku Shinkansen network, providing fast intercity service to and from Tokyo.
-
B.
Yamagata Shinkansen
The Yamagata Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Tokyo with Yamagata Prefecture by upgrading conventional tracks for Shinkansen through-service.
-
C.
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.
-
D.
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.
-
E.
Hokuriku Shinkansen
The Hokuriku Shinkansen is a high-speed rail line in Japan connecting Tokyo with cities along the Sea of Japan coast, including Nagano, Toyama, and Kanazawa.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
airport rail link
ⓘ
limited express train service ⓘ |
| branding | N'EX ⓘ |
| classConfiguration |
Green Car (first class)
ⓘ
ordinary class ⓘ |
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| introduced | 1991 ⓘ |
| languageSupport |
English station announcements
ⓘ
multilingual onboard announcements ⓘ |
| onboardFacilities |
free Wi-Fi
ⓘ
luggage storage space ⓘ overhead luggage racks ⓘ power outlets ⓘ toilets ⓘ |
| operator |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
|
| previousRollingStock |
253 series EMU
ⓘ
linked to:
E259 series EMU
|
| primaryDestination |
Ikebukuro Station
ⓘ
Kawaguchiko Station NERFINISHED ⓘ Ofuna Station NERFINISHED ⓘ Omiya Station NERFINISHED ⓘ Shibuya Station ⓘ Shinjuku Station ⓘ Takasaki Station NERFINISHED ⓘ Tokyo Station ⓘ Yokohama Station ⓘ |
| railGauge | 1,067 mm ⓘ |
| replaced | Skyliner services for some JR routes ⓘ |
| reservationSystem |
JR East online reservation system
ⓘ
Midori-no-madoguchi ticket offices ⓘ
linked to:
Midori no Madoguchi ticket office
|
| rollingStock | E259 series EMU ⓘ |
| routeCharacteristic | direct connection between Narita Airport and major Tokyo urban centers ⓘ |
| servesAirport | Narita International Airport ⓘ |
| servicePattern | direct service between central Tokyo and Narita Airport ⓘ |
| serviceType |
all-reserved seating
ⓘ
reserved-seat only ⓘ |
| startPoint |
Narita Airport Terminal 1 Station
ⓘ
Narita Airport Terminal 2·3 Station ⓘ |
| targetPassengers |
air travelers
ⓘ
business travelers ⓘ international tourists ⓘ |
| ticketRequirement |
basic fare ticket required
ⓘ
limited express ticket required ⓘ |
| usesLine |
Narita Line
NERFINISHED
ⓘ
Shonan–Shinjuku Line NERFINISHED ⓘ Sobu Line (Rapid) ⓘ
linked to:
Sōbu Line Rapid
Tokaido Line ⓘ
linked to:
Tōkaidō Main Line
Yamanote Line corridor ⓘ
linked to:
JR Yamanote Line
Yokosuka Line 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: Narita Express Description of subject: Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and Narita International Airport.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
RJAA
linked to: Narita Express
linked to: Narita Express
linked to: Narita Express