Osaka Metro
E13707
Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
All labels observed (15)
How this entity was disambiguated
This entity first appeared as the object of triple T24455 — 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: Osaka Metro Context triple: [Osaka, transportationSystem, Osaka Metro]
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A.
Osaka Station
Osaka Station is a major railway terminal and transportation hub in Osaka, Japan, serving numerous local and long-distance train lines and connecting key commercial districts.
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B.
Shin-Osaka Station
Shin-Osaka Station is a major railway and Shinkansen hub in Osaka that serves as a key gateway connecting the city with other regions across Japan.
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C.
Osaka
Osaka is Japan's third-largest city and a major economic, cultural, and historical hub known for its vibrant street food, bustling nightlife, and role as a commercial center in the Kansai region.
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D.
Nagoya
Nagoya is a major industrial and commercial city in central Japan, known as a manufacturing hub and the capital of Aichi Prefecture.
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E.
Osaka Prefecture
Osaka Prefecture is a populous and economically vital region in Japan’s Kansai area, centered on the city of Osaka and known as a major hub of commerce, industry, and culture.
- 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: Osaka Metro Target entity description: Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
-
A.
Osaka Station
Osaka Station is a major railway terminal and transportation hub in Osaka, Japan, serving numerous local and long-distance train lines and connecting key commercial districts.
-
B.
Shin-Osaka Station
Shin-Osaka Station is a major railway and Shinkansen hub in Osaka that serves as a key gateway connecting the city with other regions across Japan.
-
C.
Osaka
Osaka is Japan's third-largest city and a major economic, cultural, and historical hub known for its vibrant street food, bustling nightlife, and role as a commercial center in the Kansai region.
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D.
Nagoya
Nagoya is a major industrial and commercial city in central Japan, known as a manufacturing hub and the capital of Aichi Prefecture.
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E.
Osaka Prefecture
Osaka Prefecture is a populous and economically vital region in Japan’s Kansai area, centered on the city of Osaka and known as a major hub of commerce, industry, and culture.
- F. None of above. chosen
Statements (49)
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: Osaka Metro Description of subject: Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
Referenced by (159)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Osaka Municipal Transportation Bureau
this entity surface form:
Osaka Municipal Subway
this entity surface form:
Osaka Municipal Transportation Bureau
this entity surface form:
Osaka Municipal Subway
this entity surface form:
Osaka Metro network
this entity surface form:
Osaka Municipal Transportation Bureau
this entity surface form:
Osaka Municipal Transportation Bureau
this entity surface form:
Osaka subway network
this entity surface form:
Osaka Metro system
this entity surface form:
Osaka Municipal Transportation Bureau
this entity surface form:
Osaka Municipal Subway network
this entity surface form:
Osaka Metro network
this entity surface form:
Osaka Municipal Transportation Bureau
this entity surface form:
Osaka Metro network
this entity surface form:
Osaka Metro lines
this entity surface form:
Osaka Municipal Transportation Bureau
this entity surface form:
Osaka municipal subway system
this entity surface form:
Osaka Municipal Transportation Bureau
this entity surface form:
Osaka Metro Co., Ltd.