Keiō New Line
E168931
The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Keio New Line | 1 |
| Keiō New Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1478145 — 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: Keiō New Line Context triple: [Hatagaya, railwayLine, Keiō New Line]
-
A.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
B.
Minatomirai Line
The Minatomirai Line is a private railway line in Yokohama, Japan, connecting central Yokohama with the Minato Mirai 21 waterfront district and offering through services with multiple Tokyo subway and suburban lines.
-
C.
Umeda Freight Line
The Umeda Freight Line is a dedicated railway freight route in Osaka, Japan, used primarily for transporting goods through the city's rail network.
-
D.
Toei Subway
Toei Subway is one of Tokyo's two main subway networks, operated by the Tokyo Metropolitan Bureau of Transportation and serving numerous urban and suburban areas across the city.
-
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: Keiō New Line Target entity description: The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
-
A.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
B.
Minatomirai Line
The Minatomirai Line is a private railway line in Yokohama, Japan, connecting central Yokohama with the Minato Mirai 21 waterfront district and offering through services with multiple Tokyo subway and suburban lines.
-
C.
Umeda Freight Line
The Umeda Freight Line is a dedicated railway freight route in Osaka, Japan, used primarily for transporting goods through the city's rail network.
-
D.
Toei Subway
Toei Subway is one of Tokyo's two main subway networks, operated by the Tokyo Metropolitan Bureau of Transportation and serving numerous urban and suburban areas across the city.
-
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 (41)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line in Japan ⓘ |
| connectsWith |
Keio Line
NERFINISHED
ⓘ
Toei Shinjuku Line NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | 1,500 V DC overhead catenary ⓘ |
| endingStation | Shinjuku Station ⓘ |
| hasElectrificationSystem | overhead line ⓘ |
| hasStation |
Hatagaya Station
NERFINISHED
ⓘ
Hatsudai Station NERFINISHED ⓘ Sasazuka Station NERFINISHED ⓘ Shinjuku Station ⓘ |
| isExtensionOf | Keio Line NERFINISHED ⓘ |
| lineCode | KO ⓘ |
| lineColor | magenta ⓘ |
| lineLength | approximately 3.6 km ⓘ |
| lineSymbol | KO ⓘ |
| locale |
Tokyo Prefecture
ⓘ
surface form:
Tokyo Metropolis
|
| locatedIn |
Japan
ⓘ
Tokyo ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1978 ⓘ |
| operator | Keio Corporation ⓘ |
| owner | Keio Corporation ⓘ |
| partOfNetwork |
Keio railway network
ⓘ
surface form:
Keio Railway network
|
| primaryFunction | extension of Keio Line into central Tokyo ⓘ |
| railGauge | 1,372 mm ⓘ |
| region | Kantō region ⓘ |
| rollingStockOperator | Keio Corporation ⓘ |
| serves | Tokyo ⓘ |
| servesWard |
Shibuya
ⓘ
Shinjuku ⓘ |
| serviceFrequency | high-frequency urban commuter service ⓘ |
| servicePattern | all trains continue onto Toei Shinjuku Line ⓘ |
| serviceType | through service to Toei Shinjuku Line ⓘ |
| startingStation | Sasazuka Station NERFINISHED ⓘ |
| terminus |
Sasazuka Station
NERFINISHED
ⓘ
Shinjuku Station ⓘ |
| throughServicesWith |
Toei Shinjuku Line
ⓘ
surface form:
Toei Subway Shinjuku Line
|
| trackConfiguration | double track ⓘ |
| trackType | underground ⓘ |
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: Keiō New Line Description of subject: The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Keio New Line