Oimachi Line
E796946
The Oimachi Line is a commuter railway line in Tokyo, Japan, forming part of the Tokyu network and connecting central Tokyo with its southwestern suburbs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oimachi Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6154337 — 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: Oimachi Line Context triple: [Tokyu Corporation, operatesRailwayLine, Oimachi Line]
-
A.
Imazatosuji Line
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.
-
B.
Yurikamome Line
The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
-
C.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
D.
Negishi Line
The Negishi Line is a railway line in the Greater Tokyo area of Japan operated by JR East, connecting Yokohama with Ōfuna and serving as part of the Keihin-Tōhoku/Negishi through service corridor.
-
E.
Tsurumi Line
The Tsurumi Line is a short commuter rail line in Kanagawa Prefecture, Japan, primarily serving industrial and port areas along Tokyo Bay and operated by East Japan Railway Company (JR East).
- 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: Oimachi Line Target entity description: The Oimachi Line is a commuter railway line in Tokyo, Japan, forming part of the Tokyu network and connecting central Tokyo with its southwestern suburbs.
-
A.
Imazatosuji Line
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.
-
B.
Yurikamome Line
The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
-
C.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
D.
Negishi Line
The Negishi Line is a railway line in the Greater Tokyo area of Japan operated by JR East, connecting Yokohama with Ōfuna and serving as part of the Keihin-Tōhoku/Negishi through service corridor.
-
E.
Tsurumi Line
The Tsurumi Line is a short commuter rail line in Kanagawa Prefecture, Japan, primarily serving industrial and port areas along Tokyo Bay and operated by East Japan Railway Company (JR East).
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line ⓘ |
| connects |
central Tokyo
ⓘ
southwestern suburbs of Tokyo ⓘ |
| connectsWith |
JR East Keihin-Tōhoku Line
NERFINISHED
ⓘ
Rinkai Line NERFINISHED ⓘ Tokyu Den-en-toshi Line NERFINISHED ⓘ Tokyu Ikegami Line NERFINISHED ⓘ Tokyu Meguro Line NERFINISHED ⓘ Tokyu Oimachi Station NERFINISHED ⓘ Tokyu Tamagawa Line NERFINISHED ⓘ Tokyu Toyoko Line NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| fareSystem | Tokyu fare system ⓘ |
| gauge | 1,067 mm ⓘ |
| hasColor | green (line color used by Tokyu) ⓘ |
| hasRollingStock |
Tokyu 1000 series (modified)
NERFINISHED
ⓘ
Tokyu 6000 series NERFINISHED ⓘ Tokyu 9000 series NERFINISHED ⓘ |
| hasStation |
Futako-tamagawa Station
NERFINISHED
ⓘ
Hatanodai Station NERFINISHED ⓘ Jiyūgaoka Station NERFINISHED ⓘ Mizonokuchi Station NERFINISHED ⓘ Ookayama Station NERFINISHED ⓘ Ōimachi Station NERFINISHED ⓘ |
| lineType | heavy rail ⓘ |
| locatedIn |
Japan
ⓘ
Tokyo ⓘ |
| opened | early 20th century ⓘ |
| operator | Tokyu Corporation NERFINISHED ⓘ |
| owner | Tokyu Corporation NERFINISHED ⓘ |
| partOf | Tokyu network NERFINISHED ⓘ |
| primaryUse | commuter transport ⓘ |
| railwayCompany | Tokyu Corporation NERFINISHED ⓘ |
| railwaySystem | Tokyu Electric Railway NERFINISHED ⓘ |
| regionServed |
Kawasaki City
NERFINISHED
ⓘ
Ota Ward NERFINISHED ⓘ Setagaya Ward NERFINISHED ⓘ Shinagawa Ward NERFINISHED ⓘ |
| servicePattern | through services to Den-en-toshi Line via Mizonokuchi ⓘ |
| serviceType |
express
ⓘ
limited express ⓘ local ⓘ |
| terminus |
Mizonokuchi Station
NERFINISHED
ⓘ
Ōimachi Station NERFINISHED ⓘ |
| ticketing | IC cards such as Suica and PASMO accepted ⓘ |
| trackConfiguration | double track ⓘ |
| urbanRailway | Tokyo metropolitan area 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: Oimachi Line Description of subject: The Oimachi Line is a commuter railway line in Tokyo, Japan, forming part of the Tokyu network and connecting central Tokyo with its southwestern suburbs.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.