Keikyū
E548853
Keikyū is a major private railway operator in the Greater Tokyo area of Japan, known for its commuter and airport rail services.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T4873991 — 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: Keikyū Context triple: [Oppama Station, operatedBy, Keikyū]
-
A.
Mukōjima
Mukōjima is a neighborhood in Tokyo’s Sumida ward known for its traditional atmosphere, historic geisha district, and riverside cherry blossom viewing along the Sumida River.
-
B.
Yashima
Yashima is a historic plateau and former island in Takamatsu, Kagawa Prefecture, known for its panoramic views of the Seto Inland Sea and as a key battlefield of the Genpei War.
-
C.
Ōshima
Ōshima is a Japanese island region in Kagoshima Prefecture, known for its subtropical climate, distinct local culture, and role as a key administrative and geographic area within the Amami Islands.
-
D.
Hahajima
Hahajima is a remote, subtropical island in Japan’s Ogasawara (Bonin) archipelago, known for its rugged terrain, rich endemic biodiversity, and relative isolation.
-
E.
Kirishima
Kirishima is a city in Kagoshima Prefecture, Japan, known for its volcanic mountain range, hot springs, and role in Japanese mythology.
- 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: Keikyū Target entity description: Keikyū is a major private railway operator in the Greater Tokyo area of Japan, known for its commuter and airport rail services.
-
A.
Mukōjima
Mukōjima is a neighborhood in Tokyo’s Sumida ward known for its traditional atmosphere, historic geisha district, and riverside cherry blossom viewing along the Sumida River.
-
B.
Yashima
Yashima is a historic plateau and former island in Takamatsu, Kagawa Prefecture, known for its panoramic views of the Seto Inland Sea and as a key battlefield of the Genpei War.
-
C.
Ōshima
Ōshima is a Japanese island region in Kagoshima Prefecture, known for its subtropical climate, distinct local culture, and role as a key administrative and geographic area within the Amami Islands.
-
D.
Hahajima
Hahajima is a remote, subtropical island in Japan’s Ogasawara (Bonin) archipelago, known for its rugged terrain, rich endemic biodiversity, and relative isolation.
-
E.
Kirishima
Kirishima is a city in Kagoshima Prefecture, Japan, known for its volcanic mountain range, hot springs, and role in Japanese mythology.
- F. None of above. chosen
Statements (47)
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: Keikyū Description of subject: Keikyū is a major private railway operator in the Greater Tokyo area of Japan, known for its commuter and airport rail services.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Oppama, Japan
linked to: Keikyū
linked to: Keikyū
linked to: Keikyū
subject linked to:
Keikyū Main Line (nearby via Shinagawa Station)
linked to: Keikyū
linked to: Keikyū
linked to: Keikyū