Tokyu railway network
E177162
The Tokyu railway network is a major private rail system in the Greater Tokyo area, operated by Tokyu Corporation and serving key suburban and urban corridors including central hubs like Shibuya.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tokyu railway network canonical | 6 |
| Tokyu fare system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1195457 — 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: Tokyu railway network Context triple: [Shibuya Station, partOfTransportNetwork, Tokyu railway network]
-
A.
JR East urban network
The JR East urban network is a dense system of commuter and suburban railway lines in the Greater Tokyo and surrounding metropolitan areas operated by East Japan Railway Company (JR East).
-
B.
Tokyo metropolitan rail network
The Tokyo metropolitan rail network is an extensive, high-frequency urban and suburban railway system in Greater Tokyo, renowned for its punctuality, complexity, and integration of multiple private and public rail operators.
-
C.
Tokyo Metro
Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
-
D.
Tokyu Den-en-toshi Line
Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
-
E.
Tokyu Toyoko Line
The Tokyu Toyoko Line is a major private railway line in the Tokyo–Yokohama area that connects central Tokyo with Yokohama and links to multiple subway and intercity rail services.
- 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: Tokyu railway network Target entity description: The Tokyu railway network is a major private rail system in the Greater Tokyo area, operated by Tokyu Corporation and serving key suburban and urban corridors including central hubs like Shibuya.
-
A.
JR East urban network
The JR East urban network is a dense system of commuter and suburban railway lines in the Greater Tokyo and surrounding metropolitan areas operated by East Japan Railway Company (JR East).
-
B.
Tokyo metropolitan rail network
The Tokyo metropolitan rail network is an extensive, high-frequency urban and suburban railway system in Greater Tokyo, renowned for its punctuality, complexity, and integration of multiple private and public rail operators.
-
C.
Tokyo Metro
Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
-
D.
Tokyu Den-en-toshi Line
Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
-
E.
Tokyu Toyoko Line
The Tokyu Toyoko Line is a major private railway line in the Tokyo–Yokohama area that connects central Tokyo with Yokohama and links to multiple subway and intercity rail services.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail network
ⓘ
private railway network ⓘ |
| connectsWith |
JR East urban network
ⓘ
surface form:
JR East network
Sotetsu Railway ⓘ Toei Subway ⓘ
surface form:
Toei Subway network
Tokyo Metro ⓘ
surface form:
Tokyo Metro network
Yokohama Minatomirai Railway NERFINISHED ⓘ |
| country | Japan ⓘ |
| electrification | 1500 V DC overhead catenary ⓘ |
| fareSystem | distance-based fare system ⓘ |
| hasLine |
Tokyu Den-en-toshi Line
NERFINISHED
ⓘ
Tokyu Ikegami Line NERFINISHED ⓘ Tokyu Kodomonokuni Line NERFINISHED ⓘ Tokyu Meguro Line NERFINISHED ⓘ Tokyu Oimachi Line NERFINISHED ⓘ Tokyu Setagaya Line NERFINISHED ⓘ Tokyu Shin-Yokohama Line NERFINISHED ⓘ Tokyu Tamagawa Line NERFINISHED ⓘ Tokyu Toyoko Line NERFINISHED ⓘ |
| locatedIn |
Tokyo metropolitan area
ⓘ
surface form:
Greater Tokyo Area
Kanagawa Prefecture NERFINISHED ⓘ Tokyo Prefecture ⓘ
surface form:
Tokyo Metropolis
|
| majorHub |
Meguro Station
ⓘ
Musashi-Kosugi Station NERFINISHED ⓘ Shibuya Station ⓘ Yokohama Station ⓘ |
| operator | Tokyu Corporation ⓘ |
| ownedBy | Tokyu Corporation ⓘ |
| primaryFunction | suburban commuter transport ⓘ |
| serves |
Den-en-chofu area
ⓘ
Kawasaki ⓘ Meguro Ward ⓘ
surface form:
Meguro
Ōta, Tokyo ⓘ
surface form:
Ota, Tokyo
Setagaya ⓘ Shibuya ⓘ Yokohama ⓘ |
| servesCorridor |
Meguro–Hiyoshi corridor
ⓘ
Shibuya–Chuo-Rinkan corridor ⓘ Shibuya–Yokohama corridor ⓘ |
| smartCardAccepted |
PASMO
ⓘ
Suica ⓘ |
| throughServicesTo |
Minatomirai Line
NERFINISHED
ⓘ
Sotetsu Izumino Line NERFINISHED ⓘ Sotetsu Main Line NERFINISHED ⓘ Toei Mita Line NERFINISHED ⓘ Tokyo Metro Fukutoshin Line NERFINISHED ⓘ Tokyo Metro Hanzomon Line NERFINISHED ⓘ Tokyo Metro Namboku Line NERFINISHED ⓘ |
| trackGauge | 1067 mm ⓘ |
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: Tokyu railway network Description of subject: The Tokyu railway network is a major private rail system in the Greater Tokyo area, operated by Tokyu Corporation and serving key suburban and urban corridors including central hubs like Shibuya.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tokyu fare system