Keisei AE series EMU
E845964
The Keisei AE series EMU is a high-speed electric multiple unit train operated by Keisei Electric Railway in Japan, primarily used for the premium airport express service between central Tokyo and Narita Airport.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keisei AE series EMU canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10169883 — 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: Keisei AE series EMU Context triple: [Keisei Skyliner, rollingStock, Keisei AE series EMU]
-
A.
Toei 6500 series EMU
The Toei 6500 series EMU is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services on Tokyo subway and interconnecting commuter lines.
-
B.
Toei 6300 series EMU
The Toei 6300 series EMU is a Japanese electric multiple unit train type operated by the Tokyo Metropolitan Bureau of Transportation, primarily used on through-services connecting the Toei Mita Line with other suburban lines.
-
C.
Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
-
D.
Tokyu 5080 series EMU
The Tokyu 5080 series EMU is a Japanese electric multiple unit train operated by Tokyu Corporation, primarily used for commuter services in the Tokyo area with through-running onto various subway and interurban lines.
-
E.
Tokyu 3000 series EMU
The Tokyu 3000 series EMU is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services on urban railway lines in the Tokyo area.
- 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: Keisei AE series EMU Target entity description: The Keisei AE series EMU is a high-speed electric multiple unit train operated by Keisei Electric Railway in Japan, primarily used for the premium airport express service between central Tokyo and Narita Airport.
-
A.
Toei 6500 series EMU
The Toei 6500 series EMU is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services on Tokyo subway and interconnecting commuter lines.
-
B.
Toei 6300 series EMU
The Toei 6300 series EMU is a Japanese electric multiple unit train type operated by the Tokyo Metropolitan Bureau of Transportation, primarily used on through-services connecting the Toei Mita Line with other suburban lines.
-
C.
Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
-
D.
Tokyu 5080 series EMU
The Tokyu 5080 series EMU is a Japanese electric multiple unit train operated by Tokyu Corporation, primarily used for commuter services in the Tokyo area with through-running onto various subway and interurban lines.
-
E.
Tokyu 3000 series EMU
The Tokyu 3000 series EMU is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services on urban railway lines in the Tokyo area.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
high-speed train ⓘ |
| brakeType |
electro-pneumatic brakes
ⓘ
regenerative braking ⓘ |
| category |
Japanese EMUs
ⓘ
Japanese high-speed trains ⓘ airport rail link rolling stock ⓘ |
| connects |
Narita International Airport
NERFINISHED
ⓘ
Ueno area of Tokyo ⓘ |
| country | Japan ⓘ |
| designedFor |
airport access
ⓘ
high-speed interurban service ⓘ |
| designedToCompeteWith | JR East Narita Express services NERFINISHED ⓘ |
| doorConfiguration | single-leaf plug doors per car side ⓘ |
| electrificationSystem | 1,500 V DC overhead catenary ⓘ |
| hasClass | standard class seating ⓘ |
| hasFacility |
information displays
ⓘ
luggage storage space ⓘ onboard toilets ⓘ reclining seats ⓘ |
| hasInteriorLayout |
forward-facing reserved seats
ⓘ
large luggage racks ⓘ |
| marketedAs | premium airport express ⓘ |
| operatingSpeedClass | high-speed conventional line EMU ⓘ |
| operator | Keisei Electric Railway NERFINISHED ⓘ |
| operatorBrand | Skyliner NERFINISHED ⓘ |
| owner | Keisei Electric Railway NERFINISHED ⓘ |
| powerCollectionMethod | pantograph ⓘ |
| primaryUse | premium airport express service ⓘ |
| propulsionType | electric ⓘ |
| railwayNetwork | Keisei network NERFINISHED ⓘ |
| regionServed |
Chiba Prefecture
NERFINISHED
ⓘ
Tokyo NERFINISHED ⓘ |
| safetySystem |
ATS
ⓘ
train protection system for high-speed operation ⓘ |
| serviceFrequency | regular interval airport express services ⓘ |
| serviceRoute | central Tokyo – Narita Airport NERFINISHED ⓘ |
| serviceType |
limited express
ⓘ
reserved-seat service ⓘ |
| trackGauge | 1,435 mm standard gauge ⓘ |
| trainFormation | 8-car sets ⓘ |
| usedFor |
airport access passengers with luggage
ⓘ
passenger transport ⓘ |
| usedOnLine |
Keisei Main Line
NERFINISHED
ⓘ
Narita Sky Access 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: Keisei AE series EMU Description of subject: The Keisei AE series EMU is a high-speed electric multiple unit train operated by Keisei Electric Railway in Japan, primarily used for the premium airport express service between central Tokyo and Narita Airport.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.