Tobu 10030 series
E626233
The Tobu 10030 series is a Japanese electric multiple unit train type operated by Tobu Railway for commuter services in the Greater Tokyo area.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Tobu 10000 series family | 3 |
| Tobu 10030 series canonical | 2 |
| Tobu 10000 series | 1 |
| Tobu 10030 series EMU | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6794993 — 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 10030 series Context triple: [Tobu Tojo Line, hasRollingStock, Tobu 10030 series]
-
A.
Tobu 30000 series
The Tobu 30000 series is a Japanese electric multiple unit train type operated by Tobu Railway for commuter services in the Greater Tokyo 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.
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.
-
D.
Tobu ATS
Tobu ATS is an automatic train stop safety system used on Tobu Railway lines in Japan to prevent collisions and signal overruns.
-
E.
Tokyo Metro 1000 series
The Tokyo Metro 1000 series is a modern electric multiple unit train used on Tokyo’s subway system, designed with retro-inspired styling that pays homage to the original Ginza Line cars while incorporating contemporary technology and comfort features.
- 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 10030 series Target entity description: The Tobu 10030 series is a Japanese electric multiple unit train type operated by Tobu Railway for commuter services in the Greater Tokyo area.
-
A.
Tobu 30000 series
The Tobu 30000 series is a Japanese electric multiple unit train type operated by Tobu Railway for commuter services in the Greater Tokyo 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.
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.
-
D.
Tobu ATS
Tobu ATS is an automatic train stop safety system used on Tobu Railway lines in Japan to prevent collisions and signal overruns.
-
E.
Tokyo Metro 1000 series
The Tokyo Metro 1000 series is a modern electric multiple unit train used on Tokyo’s subway system, designed with retro-inspired styling that pays homage to the original Ginza Line cars while incorporating contemporary technology and comfort features.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ |
| brakeType | regenerative brake ⓘ |
| carBodyMaterial | steel ⓘ |
| country | Japan ⓘ |
| designedFor | high-density urban commuting ⓘ |
| doorConfiguration | 3 pairs per side per car ⓘ |
| electrificationSystem | 1,500 V DC overhead catenary ⓘ |
| family |
Tobu 10000 series family
ⓘ
linked to:
Tobu 10030 series
|
| formation |
10-car sets
ⓘ
4-car sets ⓘ 6-car sets ⓘ |
| multipleWorking |
Tobu 10000 series
ⓘ
linked to:
Tobu 10030 series
Tobu 10050 series ⓘ Tobu 10080 series ⓘ |
| operator |
Tobu Isesaki Line
ⓘ
Tobu Railway ⓘ Tobu Skytree Line ⓘ Tobu Tojo Line ⓘ private railway company ⓘ |
| owner | Tobu Railway ⓘ |
| powerMethod | electric ⓘ |
| region |
Kanto region
ⓘ
linked to:
Kantō region
|
| serviceArea |
Greater Tokyo Area
ⓘ
linked to:
Tokyo metropolitan area
|
| serviceType |
all-stations (local) services
ⓘ
rapid services ⓘ |
| trackGauge | 1,067 mm ⓘ |
| trackType | narrow gauge railway ⓘ |
| usage | commuter 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 10030 series Description of subject: The Tobu 10030 series is a Japanese electric multiple unit train type operated by Tobu Railway for commuter services in the Greater Tokyo area.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tobu 10030 series
linked to: Tobu 10030 series
linked to: Tobu 10030 series
linked to: Tobu 10030 series
linked to: Tobu 10030 series