Tōzai Line
E514726
The Tōzai Line is an east–west rapid transit line forming part of the Kyoto Municipal Subway system in Kyoto, Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tōzai Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2828155 — 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: Tōzai Line Context triple: [Kyoto Municipal Subway, hasLine, Tōzai Line]
-
A.
Tozai Line
The Tozai Line is a major Tokyo Metro subway line that runs east–west across Tokyo, connecting central business districts with suburban residential areas.
-
B.
Chuo Line
The Chuo Line is a major rapid transit line in the Osaka Metro system that runs east–west through central Osaka, connecting key commercial and residential districts.
-
C.
Keio Line
The Keio Line is a major private railway line in Tokyo, Japan, operated by Keio Corporation, connecting central Tokyo with its western suburbs.
-
D.
Toei Mita Line
The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
-
E.
Keiyō Line
The Keiyō Line is a JR East railway line in the Tokyo area that runs along Tokyo Bay, connecting central Tokyo with destinations such as Maihama (Tokyo Disney Resort) and Chiba.
- 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: Tōzai Line Target entity description: The Tōzai Line is an east–west rapid transit line forming part of the Kyoto Municipal Subway system in Kyoto, Japan.
-
A.
Tozai Line
The Tozai Line is a major Tokyo Metro subway line that runs east–west across Tokyo, connecting central business districts with suburban residential areas.
-
B.
Chuo Line
The Chuo Line is a major rapid transit line in the Osaka Metro system that runs east–west through central Osaka, connecting key commercial and residential districts.
-
C.
Keio Line
The Keio Line is a major private railway line in Tokyo, Japan, operated by Keio Corporation, connecting central Tokyo with its western suburbs.
-
D.
Toei Mita Line
The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
-
E.
Keiyō Line
The Keiyō Line is a JR East railway line in the Tokyo area that runs along Tokyo Bay, connecting central Tokyo with destinations such as Maihama (Tokyo Disney Resort) and Chiba.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Kyoto Municipal Subway line
ⓘ
rapid transit line ⓘ |
| connectsWith |
Hankyu Kyoto Main Line
NERFINISHED
ⓘ
JR Nara Line NERFINISHED ⓘ Karasuma Line NERFINISHED ⓘ Keihan Main Line NERFINISHED ⓘ Keihan Uji Line NERFINISHED ⓘ |
| country | Japan ⓘ |
| direction | east–west ⓘ |
| electrification | overhead catenary ⓘ |
| fareSystem | Kyoto Municipal Subway fare system ⓘ |
| hasAbbreviation | T line NERFINISHED ⓘ |
| hasColor |
light blue
ⓘ
teal ⓘ |
| hasPlatformType |
island platform
ⓘ
side platform ⓘ |
| hasRollingStock |
Keihan 800 series
NERFINISHED
ⓘ
Kyoto Municipal Subway 50 series NERFINISHED ⓘ |
| hasStation |
Higashiyama Station
NERFINISHED
ⓘ
Karasuma Oike Station NERFINISHED ⓘ Nijō Station NERFINISHED ⓘ Rokujizō Station NERFINISHED ⓘ Sanjo Keihan Station NERFINISHED ⓘ Uzumasa Tenjingawa Station NERFINISHED ⓘ Yamashina Station NERFINISHED ⓘ |
| hasTerminus |
Rokujizō Station
NERFINISHED
ⓘ
Uzumasa Tenjingawa Station NERFINISHED ⓘ |
| isUnderground | true ⓘ |
| locatedIn | Kyoto ⓘ |
| nativeName | 京都市営地下鉄東西線 NERFINISHED ⓘ |
| nativeNameLanguage | ja ⓘ |
| opened | 1997 ⓘ |
| operatedBy | Kyoto Municipal Transportation Bureau NERFINISHED ⓘ |
| partOf | Kyoto Municipal Subway NERFINISHED ⓘ |
| railwaySignalling | automatic train control ⓘ |
| railwaySystem | urban rail ⓘ |
| safetySystem | automatic train stop ⓘ |
| serves |
central Kyoto
ⓘ
eastern Kyoto ⓘ western Kyoto ⓘ |
| throughServicesWith | Keihan Railway NERFINISHED ⓘ |
| trackGauge | 1,435 mm ⓘ |
| transportationSystem | Kyoto Municipal Subway NERFINISHED ⓘ |
| usesTicketingSystem |
IC cards
ⓘ
ICOCA NERFINISHED ⓘ PiTaPa NERFINISHED ⓘ |
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: Tōzai Line Description of subject: The Tōzai Line is an east–west rapid transit line forming part of the Kyoto Municipal Subway system in Kyoto, Japan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.