Keikyu Corporation
E277499
Keikyu Corporation is a major private railway operator in the Greater Tokyo area, best known for its commuter and airport rail services connecting central Tokyo with Haneda Airport and the Miura Peninsula.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Keikyu Corporation canonical | 18 |
| Keihin Kyūkō Dentetsu | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2528658 — 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: Keikyu Corporation Context triple: [Shinagawa, Tokyo, Japan, servedByRailwayCompany, Keikyu Corporation]
-
A.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
-
B.
Keihan Group
Keihan Group is a Japanese corporate conglomerate centered on the Keihan Electric Railway that operates transportation, real estate, retail, and leisure businesses in the Kansai region.
-
C.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
-
D.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
E.
Kinki Sharyo
Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
- 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: Keikyu Corporation Target entity description: Keikyu Corporation is a major private railway operator in the Greater Tokyo area, best known for its commuter and airport rail services connecting central Tokyo with Haneda Airport and the Miura Peninsula.
-
A.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
-
B.
Keihan Group
Keihan Group is a Japanese corporate conglomerate centered on the Keihan Electric Railway that operates transportation, real estate, retail, and leisure businesses in the Kansai region.
-
C.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
-
D.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
E.
Kinki Sharyo
Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese company
ⓘ
private railway operator ⓘ public company ⓘ |
| colorIdentity | red ⓘ |
| connects |
Haneda Airport
ⓘ
Miura Peninsula ⓘ central Tokyo ⓘ |
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| fareCardAccepted |
PASMO
ⓘ
Suica ⓘ |
| fareSystem | IC card compatible ⓘ |
| hasOfficialNameInJapanese | 京浜急行電鉄株式会社 ⓘ |
| hasServiceType |
airport express trains
ⓘ
limited express trains ⓘ local trains ⓘ rapid trains ⓘ |
| hasWebsite | https://www.keikyu.co.jp/ ⓘ |
| headquartersLocation |
Minato-ku, Tokyo
ⓘ
linked to:
Minato, Tokyo, Japan
|
| industry |
railway transport
ⓘ
transportation ⓘ |
| nameMeaning | Keihin Kyūkō (Tokyo–Yokohama express) ⓘ |
| notableFor |
direct rail access to Haneda Airport
ⓘ
fast commuter services between Tokyo and Yokohama ⓘ |
| operates |
Keikyu Aburatsubo Line (former)
ⓘ
Keikyu Airport Line ⓘ
linked to:
Keikyū Airport Line
Keikyu Daishi Line ⓘ Keikyu Kurihama Line ⓘ
linked to:
Keikyū Kurihama Line
Keikyu Main Line ⓘ
linked to:
Keikyū Main Line
Keikyu Zushi Line ⓘ
linked to:
Keikyū Zushi Line
airport rail services ⓘ commuter rail services ⓘ |
| parentTransportCategory | private railway (Japan) ⓘ |
| railGauge | 1,435 mm standard gauge ⓘ |
| region | Kantō region ⓘ |
| rollingStockColor | red body with white band (typical) ⓘ |
| serves |
Greater Tokyo Area
ⓘ
linked to:
Tokyo metropolitan area
Haneda Airport ⓘ Kanagawa Prefecture ⓘ Miura Peninsula ⓘ Tokyo Metropolis ⓘ
linked to:
Tokyo Prefecture
|
| servesStation |
Haneda Airport Terminal 1·2 Station
ⓘ
linked to:
Haneda Airport Terminal 1 Station
Haneda Airport Terminal 3 Station ⓘ Kanazawa-bunko Station ⓘ
linked to:
Kanazawa Bunko Station
Misakiguchi Station ⓘ Shinagawa Station ⓘ Yokohama Station ⓘ |
| shortName |
Keikyu
ⓘ
linked to:
Keikyū
|
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: Keikyu Corporation Description of subject: Keikyu Corporation is a major private railway operator in the Greater Tokyo area, best known for its commuter and airport rail services connecting central Tokyo with Haneda Airport and the Miura Peninsula.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.