Keihin Kyūkō (Tokyo–Yokohama express)
E940433
Keihin Kyūkō (Tokyo–Yokohama express) is the original full name and meaning behind the private Japanese railway operator now known as Keikyu Corporation, which runs major commuter and airport rail services between Tokyo and Yokohama.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Keihin Kyūkō (Tokyo–Yokohama express) canonical | 1 |
| Tokyo–Yokohama express | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11676304 — 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: Keihin Kyūkō (Tokyo–Yokohama express) Context triple: [Keikyu Corporation, nameMeaning, Keihin Kyūkō (Tokyo–Yokohama express)]
-
A.
Tsukuba Express
Tsukuba Express is a high-speed commuter railway line in Japan connecting central Tokyo with the city of Tsukuba in Ibaraki Prefecture.
-
B.
Narita Express
Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and Narita International Airport.
-
C.
Rokkō Liner
Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
-
D.
Keisei Skyliner
Keisei Skyliner is a high-speed limited express train service in Japan that links central Tokyo with Narita International Airport.
-
E.
JR Chuo-Sobu Line
The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
- 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: Keihin Kyūkō (Tokyo–Yokohama express) Target entity description: Keihin Kyūkō (Tokyo–Yokohama express) is the original full name and meaning behind the private Japanese railway operator now known as Keikyu Corporation, which runs major commuter and airport rail services between Tokyo and Yokohama.
-
A.
Tsukuba Express
Tsukuba Express is a high-speed commuter railway line in Japan connecting central Tokyo with the city of Tsukuba in Ibaraki Prefecture.
-
B.
Narita Express
Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and Narita International Airport.
-
C.
Rokkō Liner
Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
-
D.
Keisei Skyliner
Keisei Skyliner is a high-speed limited express train service in Japan that links central Tokyo with Narita International Airport.
-
E.
JR Chuo-Sobu Line
The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese private railway operator
ⓘ
railway company ⓘ |
| alsoKnownAs |
Keihin Electric Express Railway
ⓘ
Keihin Kyūkō Dentetsu ⓘ
linked to:
Keihin Kyūkō
|
| brandColor | red ⓘ |
| connectsTo |
Tokyo International Airport (Haneda)
ⓘ
linked to:
Haneda Airport
|
| corporateForm | private railway ⓘ |
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| fareSystem | integrated with IC cards such as Suica and PASMO ⓘ |
| headquartersLocation |
Tokyo Metropolis
ⓘ
linked to:
Tokyo Metropolis, Japan
|
| historicalNameOf | Keikyu Corporation ⓘ |
| industry | rail transport ⓘ |
| languageOfName | Japanese ⓘ |
| nameComponent |
Kei (Tokyo)
ⓘ
Kyūkō (express) ⓘ hin (Yokohama) ⓘ |
| nameMeaning |
Tokyo–Yokohama express
ⓘ
linked to:
Keihin Kyūkō (Tokyo–Yokohama express)
|
| networkRole |
major commuter route between Tokyo and Yokohama
ⓘ
major rail access to Haneda Airport ⓘ |
| operatesInRegion |
Greater Tokyo Area
ⓘ
linked to:
Tokyo metropolitan area
Kanagawa Prefecture ⓘ Tokyo ⓘ Yokohama ⓘ |
| operatesLine |
Keikyū Airport Line
NERFINISHED
ⓘ
Keikyū Daishi Line NERFINISHED ⓘ Keikyū Kurihama Line NERFINISHED ⓘ Keikyū Main Line NERFINISHED ⓘ Keikyū Zushi Line NERFINISHED ⓘ |
| operatesServiceType |
airport rail link
ⓘ
commuter rail ⓘ |
| primaryCorridor | Tokyo–Yokohama corridor ⓘ |
| railGauge | 1,435 mm standard gauge ⓘ |
| rollingStockType | electric multiple units ⓘ |
| servesMetropolitanArea |
Keihin industrial region
ⓘ
linked to:
Keihin Industrial Region
|
| servesStation |
Haneda Airport Terminal 1·2 Station
ⓘ
Haneda Airport Terminal 3 Station ⓘ Shinagawa Station ⓘ Yokohama Station ⓘ |
| servicePattern |
airport limited express trains
ⓘ
express trains ⓘ limited express trains ⓘ local trains ⓘ |
| successor | Keikyu Corporation ⓘ |
| ticketing |
offers commuter passes
ⓘ
offers limited express surcharges ⓘ |
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: Keihin Kyūkō (Tokyo–Yokohama express) Description of subject: Keihin Kyūkō (Tokyo–Yokohama express) is the original full name and meaning behind the private Japanese railway operator now known as Keikyu Corporation, which runs major commuter and airport rail services between Tokyo and Yokohama.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Keihin Kyūkō (Tokyo–Yokohama express)