Osaka Metro Tanimachi Line
E83158
The Osaka Metro Tanimachi Line is a major north–south subway line in Osaka, Japan, connecting key commercial and residential districts across the city.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Osaka Metro Tanimachi Line canonical | 17 |
| 谷町線 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T635918 — 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 Tanimachi Line Context triple: [Tennoji Station, railwayLine, Osaka Metro Tanimachi 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.
-
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 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.
-
D.
Osaka Higashi Line
The Osaka Higashi Line is a railway line in Osaka, Japan, operated by JR West that runs north–south through the eastern part of the city, connecting major hubs and suburban areas.
-
E.
Osaka Metro
Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
- 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 Tanimachi Line Target entity description: The Osaka Metro Tanimachi Line is a major north–south subway line in Osaka, Japan, connecting key commercial and residential districts across the city.
-
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 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 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.
-
D.
Osaka Higashi Line
The Osaka Higashi Line is a railway line in Osaka, Japan, operated by JR West that runs north–south through the eastern part of the city, connecting major hubs and suburban areas.
-
E.
Osaka Metro
Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Osaka Metro line
ⓘ
rapid transit line ⓘ subway line ⓘ |
| character | mostly underground ⓘ |
| color | purple ⓘ |
| connectsWith |
Hankyu Kyoto Main Line
ⓘ
surface form:
Hankyu Railway lines in Osaka
JR West lines in Osaka ⓘ Keihan Electric Railway lines in Osaka ⓘ Kintetsu Osaka Line ⓘ
surface form:
Kintetsu Railway lines in Osaka
Nankai Electric Railway lines in Osaka ⓘ Osaka Metro Chuo Line ⓘ
surface form:
Osaka Metro Chūō Line
Osaka Metro Imazatosuji Line ⓘ Osaka Metro Midosuji Line ⓘ Osaka Metro Nagahori Tsurumi-ryokuchi Line ⓘ Osaka Metro Sakaisuji Line ⓘ Osaka Metro Sennichimae Line ⓘ Osaka Metro Yotsubashi Line ⓘ |
| country | Japan ⓘ |
| direction | north–south ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareCollection | automatic fare gates ⓘ |
| fareSystem | integrated Osaka Metro fare system ⓘ |
| formerOperator |
Osaka Metro
ⓘ
surface form:
Osaka Municipal Transportation Bureau
|
| lineCode | T ⓘ |
| lineNumber | Tanimachi Line ⓘ |
| locale | Osaka Prefecture ⓘ |
| locatedIn | Osaka ⓘ |
| notableFeature |
connects key commercial areas of Osaka
ⓘ
connects key residential areas of Osaka ⓘ major north–south axis of Osaka Metro ⓘ |
| numberOfTracks | 2 ⓘ |
| operator | Osaka Metro ⓘ |
| partOf |
Osaka Metro
ⓘ
surface form:
Osaka subway network
|
| primaryFunction | mass transit for commuters in Osaka ⓘ |
| regionServed |
central Osaka
ⓘ
eastern Osaka ⓘ |
| safetySystem |
automatic train control
ⓘ
train protection system ⓘ |
| serves |
commercial districts in Osaka
ⓘ
residential districts in Osaka ⓘ |
| serviceFrequency | high-frequency urban service ⓘ |
| ticketing |
IC cards accepted
ⓘ
ICOCA accepted ⓘ PiTaPa ⓘ
surface form:
PiTaPa accepted
|
| trackGauge | 1,435 mm ⓘ |
| transportType | urban rail transit ⓘ |
| usesRollingStock |
Osaka Metro 22 series trains
ⓘ
Osaka Metro 30 series trains ⓘ |
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 Tanimachi Line Description of subject: The Osaka Metro Tanimachi Line is a major north–south subway line in Osaka, Japan, connecting key commercial and residential districts across the city.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
谷町線
subject surface form:
Chūō-ku, Osaka