Osaka Metro Yotsubashi Line
E238389
The Osaka Metro Yotsubashi Line is a rapid transit line in Osaka, Japan, running north–south through central parts of the city as part of the Osaka Metro network.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Osaka Metro Yotsubashi Line canonical | 14 |
| Osaka Metro Yotsubashi Line at Namba | 1 |
| Ōsaka Metoro Yotsubashi-sen | 1 |
| 大阪メトロ四つ橋線 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1453295 — 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 Yotsubashi Line Context triple: [Osaka Metro Sennichimae Line, connectsWithLine, Osaka Metro Yotsubashi Line]
-
A.
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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B.
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.
-
C.
Osaka Metro Chuo Line
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.
-
D.
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.
-
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 Yotsubashi Line Target entity description: The Osaka Metro Yotsubashi Line is a rapid transit line in Osaka, Japan, running north–south through central parts of the city as part of the Osaka Metro network.
-
A.
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.
-
B.
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.
-
C.
Osaka Metro Chuo Line
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.
-
D.
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.
-
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 (49)
| Predicate | Object |
|---|---|
| instanceOf |
Osaka Metro line
ⓘ
rapid transit line ⓘ subway line in Japan ⓘ |
| country | Japan ⓘ |
| depot | Suminoe Depot ⓘ |
| direction | north–south ⓘ |
| electrification | 750 V DC third rail ⓘ |
| endingStation | Suminoekoen Station NERFINISHED ⓘ |
| extendedTo |
Nishi-Umeda Station
NERFINISHED
ⓘ
Suminoekoen Station NERFINISHED ⓘ |
| fareSystem | integrated Osaka Metro fare system ⓘ |
| formerOperator |
Osaka Metro
ⓘ
surface form:
Osaka Municipal Transportation Bureau
|
| hasStation |
Daikokucho Station
NERFINISHED
ⓘ
Higobashi Station NERFINISHED ⓘ Kishinosato Station NERFINISHED ⓘ Kitakagaya Station NERFINISHED ⓘ Nishi-Umeda Station NERFINISHED ⓘ Suminoekoen Station NERFINISHED ⓘ Yotsubashi Station NERFINISHED ⓘ |
| interchangeWith |
Osaka Metro Chuo Line
ⓘ
Osaka Metro Midosuji Line ⓘ Osaka Metro Nagahori Tsurumi-ryokuchi Line ⓘ Osaka Metro Sennichimae Line ⓘ Osaka Metro Yotsubashi Station NERFINISHED ⓘ |
| lineColor | blue ⓘ |
| lineNameInJapanese |
Osaka Metro Yotsubashi Line
self-linksurface differs
ⓘ
surface form:
大阪メトロ四つ橋線
|
| lineNumber | 3 ⓘ |
| lineSymbol | Y ⓘ |
| locale | Osaka Prefecture NERFINISHED ⓘ |
| locatedIn | Osaka ⓘ |
| numberOfStations | 11 ⓘ |
| opened | 1942 ⓘ |
| openingSection | Daikokucho – Hanazonocho ⓘ |
| operatedBy | Osaka Metro ⓘ |
| owner | Osaka Metro ⓘ |
| parallelTo | Osaka Metro Midosuji Line ⓘ |
| partOfNetwork | Osaka Metro ⓘ |
| platformType | island platforms at most stations ⓘ |
| rollingStock | Osaka Metro 23 series ⓘ |
| romanizedName |
Osaka Metro Yotsubashi Line
self-linksurface differs
ⓘ
surface form:
Ōsaka Metoro Yotsubashi-sen
|
| servesArea | central Osaka ⓘ |
| signallingSystem |
automatic train control
ⓘ
automatic train stop ⓘ |
| startingStation | Nishi-Umeda Station NERFINISHED ⓘ |
| terminusNorth | Nishi-Umeda Station NERFINISHED ⓘ |
| terminusSouth | Suminoekoen Station NERFINISHED ⓘ |
| ticketing | IC cards such as ICOCA and PiTaPa accepted ⓘ |
| trackGauge | 1,435 mm ⓘ |
| trainProtection | ATS ⓘ |
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 Yotsubashi Line Description of subject: The Osaka Metro Yotsubashi Line is a rapid transit line in Osaka, Japan, running north–south through central parts of the city as part of the Osaka Metro network.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
Osaka Metro Yotsubashi Line
→
lineNameInJapanese
→
Osaka Metro Yotsubashi Line
self-linksurface differs
ⓘ
this entity surface form:
大阪メトロ四つ橋線
Osaka Metro Yotsubashi Line
→
romanizedName
→
Osaka Metro Yotsubashi Line
self-linksurface differs
ⓘ
this entity surface form:
Ōsaka Metoro Yotsubashi-sen
this entity surface form:
Osaka Metro Yotsubashi Line at Namba