Osaka Metro Chuo Line
E128298
The Osaka Metro Chuo Line is a major rapid transit line in Osaka, Japan, running east–west through the city and serving key commercial, business, and waterfront areas.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Osaka Metro Chuo Line canonical | 20 |
| Osaka Metro Chūō Line | 11 |
| Chūō Line (Osaka Metro) | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T978001 — 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 Chuo Line Context triple: [Tempozan Giant Ferris Wheel, railwayLine, Osaka Metro Chuo Line]
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A.
Osaka Metro Tanimachi Line
The Osaka Metro Tanimachi Line is a major north–south subway line in Osaka, Japan, connecting key commercial and residential districts across the city.
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B.
Osaka Metro Midosuji Line
The Osaka Metro Midosuji Line is a major north–south subway line in Osaka, Japan, forming the city’s primary transit backbone and connecting key commercial and transport hubs.
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C.
Osaka Metro Sennichimae Line
The Osaka Metro Sennichimae Line is a rapid transit line in Osaka, Japan, running east–west through central parts of the city and connecting major commercial and residential districts.
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D.
Osaka Loop Line
The Osaka Loop Line is a circular railway line in Osaka, Japan, operated by JR West, that connects major urban and suburban districts around the city center.
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E.
Osaka Metro Nagahori Tsurumi-ryokuchi Line
The Osaka Metro Nagahori Tsurumi-ryokuchi Line is a major automated subway line in Osaka, Japan, running east–west through central and northeastern parts of the city and connecting key commercial and residential districts.
- 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 Chuo Line Target entity description: The Osaka Metro Chuo Line is a major rapid transit line in Osaka, Japan, running east–west through the city and serving key commercial, business, and waterfront areas.
-
A.
Osaka Metro Tanimachi Line
The Osaka Metro Tanimachi Line is a major north–south subway line in Osaka, Japan, connecting key commercial and residential districts across the city.
-
B.
Osaka Metro Midosuji Line
The Osaka Metro Midosuji Line is a major north–south subway line in Osaka, Japan, forming the city’s primary transit backbone and connecting key commercial and transport hubs.
-
C.
Osaka Metro Sennichimae Line
The Osaka Metro Sennichimae Line is a rapid transit line in Osaka, Japan, running east–west through central parts of the city and connecting major commercial and residential districts.
-
D.
Osaka Loop Line
The Osaka Loop Line is a circular railway line in Osaka, Japan, operated by JR West, that connects major urban and suburban districts around the city center.
-
E.
Osaka Metro Nagahori Tsurumi-ryokuchi Line
The Osaka Metro Nagahori Tsurumi-ryokuchi Line is a major automated subway line in Osaka, Japan, running east–west through central and northeastern parts of the city and connecting key commercial and residential districts.
- F. None of above. chosen
Statements (46)
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 Chuo Line Description of subject: The Osaka Metro Chuo Line is a major rapid transit line in Osaka, Japan, running east–west through the city and serving key commercial, business, and waterfront areas.
Referenced by (33)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Osaka Metro Chūō Line
this entity surface form:
Osaka Metro Chūō Line
subject surface form:
Minato-ku, Osaka
this entity surface form:
Osaka Metro Chūō Line
this entity surface form:
Osaka Metro Chūō Line
this entity surface form:
Chūō Line (Osaka Metro)
this entity surface form:
Osaka Metro Chūō Line
this entity surface form:
Osaka Metro Chūō Line
this entity surface form:
Osaka Metro Chūō Line
this entity surface form:
Chūō Line (Osaka Metro)
this entity surface form:
Osaka Metro Chūō Line
this entity surface form:
Osaka Metro Chūō Line
subject surface form:
Chūō-ku, Osaka
this entity surface form:
Osaka Metro Chūō Line
subject surface form:
Osaka Metro 22 series
subject surface form:
Osaka Metro 22 series
this entity surface form:
Osaka Metro Chūō Line