Tobu 30000 series
E623122
The Tobu 30000 series is a Japanese electric multiple unit train type operated by Tobu Railway for commuter services in the Greater Tokyo area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tobu 30000 series canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6794992 — 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: Tobu 30000 series Context triple: [Tobu Tojo Line, hasRollingStock, Tobu 30000 series]
-
A.
Tobu 9000 series
The Tobu 9000 series is a Japanese electric multiple unit train type operated by Tobu Railway, commonly used for inter-running services with Tokyo Metro lines in the Tokyo metropolitan area.
-
B.
Tobu 50050 series
The Tobu 50050 series is a Japanese electric multiple unit train operated by Tobu Railway, designed for through-services with Tokyo Metro and known for its modern commuter-oriented features.
-
C.
Tokyu 5000 series
The Tokyu 5000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services in the Tokyo metropolitan area.
-
D.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
-
E.
Tokyu 5050 series
The Tokyu 5050 series is a Japanese electric multiple unit commuter train type operated by Tokyu Corporation and used on through-services with Tokyo Metro and other railway lines in the Tokyo area.
- 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: Tobu 30000 series Target entity description: The Tobu 30000 series is a Japanese electric multiple unit train type operated by Tobu Railway for commuter services in the Greater Tokyo area.
-
A.
Tobu 9000 series
The Tobu 9000 series is a Japanese electric multiple unit train type operated by Tobu Railway, commonly used for inter-running services with Tokyo Metro lines in the Tokyo metropolitan area.
-
B.
Tobu 50050 series
The Tobu 50050 series is a Japanese electric multiple unit train operated by Tobu Railway, designed for through-services with Tokyo Metro and known for its modern commuter-oriented features.
-
C.
Tokyu 5000 series
The Tokyu 5000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services in the Tokyo metropolitan area.
-
D.
Tokyo Metro 10000 series
The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
-
E.
Tokyu 5050 series
The Tokyu 5050 series is a Japanese electric multiple unit commuter train type operated by Tokyu Corporation and used on through-services with Tokyo Metro and other railway lines in the Tokyo area.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ |
| brakeType |
electro-pneumatic brake
ⓘ
regenerative brake ⓘ |
| carBodyMaterial | stainless steel ⓘ |
| carLength | 20 m class ⓘ |
| country | Japan ⓘ |
| couplingType | Shibata-type coupler ⓘ |
| designBasedOn | Tobu 10030 series ⓘ |
| doorConfiguration | 3 pairs per side per car ⓘ |
| doorOperation | air-operated doors ⓘ |
| doorType | sliding doors ⓘ |
| electrificationSystem | 1,500 V DC overhead catenary ⓘ |
| enteredService | 1996 ⓘ |
| family |
Tobu 10000 series family
ⓘ
linked to:
Tobu 10030 series
|
| floorType | high-floor ⓘ |
| formation |
10-car sets
ⓘ
4-car sets ⓘ 6-car sets ⓘ 8-car sets ⓘ |
| introduced | 1996 ⓘ |
| manufacturer |
Alna Sharyo
ⓘ
linked to:
Alna Kōki
Tobu Railway (own workshops) ⓘ
linked to:
Tobu Railway
|
| multipleWorking |
Tobu 10000 series family
ⓘ
linked to:
Tobu 10030 series
|
| numberBuilt | 144 cars ⓘ |
| operator |
Tobu Railway
ⓘ
Tokyo Metro (through services) ⓘ
linked to:
Tokyo Metro
Tokyu Corporation (through services) ⓘ
linked to:
Tokyu Corporation
|
| operatorType | private railway operator ⓘ |
| owner | Tobu Railway ⓘ |
| powerCollectionMethod | pantograph ⓘ |
| powerType | electric ⓘ |
| region |
Kanto region
ⓘ
linked to:
Kantō region
|
| safetySystem |
Tobu ATS
ⓘ
Tokyo Metro CS-ATC (on through-running sections) ⓘ |
| serviceArea |
Greater Tokyo area
ⓘ
linked to:
Tokyo metropolitan area
|
| serviceType | suburban commuter EMU ⓘ |
| trackGauge | 1,067 mm ⓘ |
| UICClassification |
2′2′ (trailer cars)
ⓘ
Bo′Bo′ (motor cars) ⓘ |
| usage | commuter transport ⓘ |
| usedOnLine |
Tobu Isesaki Line
ⓘ
Tobu Nikko Line ⓘ Tobu Noda Line ⓘ Tobu Skytree Line ⓘ |
| usedOnServiceType |
all-stations (local) services
ⓘ
express services ⓘ rapid services ⓘ |
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: Tobu 30000 series Description of subject: The Tobu 30000 series is a Japanese electric multiple unit train type operated by Tobu Railway for commuter services in the Greater Tokyo area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.