Imazatosuji Line
E75512
The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Imazatosuji Line canonical | 3 |
| Imazato–Minami-Tatsumi section | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T573282 — 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: Imazatosuji Line Context triple: [Osaka Metro, hasPart, Imazatosuji Line]
-
A.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
B.
Sakaisuji Line
The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
-
C.
Nagahori Tsurumi-ryokuchi Line
The Nagahori Tsurumi-ryokuchi Line is a major Osaka Metro subway line in Osaka, Japan, known for being the country’s first full-scale linear motor-powered urban railway line.
-
D.
Tanimachi Line
The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
-
E.
Yotsubashi Line
The Yotsubashi Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and serving key north–south corridors through the city.
- 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: Imazatosuji Line Target entity description: The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
-
A.
Sennichimae Line
The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
-
B.
Sakaisuji Line
The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
-
C.
Nagahori Tsurumi-ryokuchi Line
The Nagahori Tsurumi-ryokuchi Line is a major Osaka Metro subway line in Osaka, Japan, known for being the country’s first full-scale linear motor-powered urban railway line.
-
D.
Tanimachi Line
The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
-
E.
Yotsubashi Line
The Yotsubashi Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and serving key north–south corridors through the city.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Osaka Metro line
ⓘ
rapid transit line ⓘ subway line ⓘ |
| connects |
northern Osaka
ⓘ
southern Osaka ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| electrification | electric railway ⓘ |
| fareSystem | Osaka Metro fare system ⓘ |
| hasDirection | north–south ⓘ |
| hasInfrastructureType | underground railway ⓘ |
| hasLanguage | Japanese ⓘ |
| hasLocale | urban ⓘ |
| hasOwner | Osaka Metro ⓘ |
| hasServicePattern | all-stations service ⓘ |
| hasSignageLanguage |
English
ⓘ
Japanese ⓘ |
| hasTrackGauge | standard gauge ⓘ |
| isPartOf | Osaka urban rail network ⓘ |
| locatedIn |
Japan
ⓘ
Osaka ⓘ Osaka Prefecture ⓘ |
| operator | Osaka Metro ⓘ |
| publicTransportMode | metro ⓘ |
| role | main north–south subway corridor in Osaka ⓘ |
| safetySystem |
automatic train control
ⓘ
train protection system ⓘ |
| servesCity | Osaka ⓘ |
| system | Osaka Metro ⓘ |
| transportType | rapid transit ⓘ |
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: Imazatosuji Line Description of subject: The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chuo Line (Osaka Metro)
this entity surface form:
Imazato–Minami-Tatsumi section