Tokyo Metro CS-ATC
E532685
Tokyo Metro CS-ATC is a cab signaling-based automatic train control system used on Tokyo Metro and interconnected lines to ensure safe train operation through continuous speed supervision and automatic braking.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tokyo Metro CS-ATC canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5548548 — 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: Tokyo Metro CS-ATC Context triple: [Tobu 50050 series, safetySystem, Tokyo Metro CS-ATC]
-
A.
Tokyo Metro 7000 series
The Tokyo Metro 7000 series is a Japanese electric multiple unit train type operated by Tokyo Metro, primarily used on busy commuter subway lines in Tokyo.
-
B.
Tokyo Metro 8000 series
The Tokyo Metro 8000 series is a fleet of electric multiple unit trains introduced in the early 1980s for Tokyo’s subway network, known for their long service life and multiple refurbishment programs.
-
C.
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.
-
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.
Tokyo Metro 18000 series
The Tokyo Metro 18000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Hanzomon Line and connecting suburban routes.
- 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: Tokyo Metro CS-ATC Target entity description: Tokyo Metro CS-ATC is a cab signaling-based automatic train control system used on Tokyo Metro and interconnected lines to ensure safe train operation through continuous speed supervision and automatic braking.
-
A.
Tokyo Metro 7000 series
The Tokyo Metro 7000 series is a Japanese electric multiple unit train type operated by Tokyo Metro, primarily used on busy commuter subway lines in Tokyo.
-
B.
Tokyo Metro 8000 series
The Tokyo Metro 8000 series is a fleet of electric multiple unit trains introduced in the early 1980s for Tokyo’s subway network, known for their long service life and multiple refurbishment programs.
-
C.
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.
-
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.
Tokyo Metro 18000 series
The Tokyo Metro 18000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Hanzomon Line and connecting suburban routes.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
automatic train control system
ⓘ
cab signaling system ⓘ |
| applies |
emergency brake when necessary
ⓘ
service brake automatically ⓘ |
| basedOn | cab signaling ⓘ |
| communicatesVia | track-to-train signaling ⓘ |
| compatibleWith | through-services between Tokyo Metro and other railways ⓘ |
| controls |
braking curves
ⓘ
maximum permitted speed ⓘ |
| country | Japan ⓘ |
| feature |
automatic braking
ⓘ
continuous speed supervision ⓘ overspeed protection ⓘ signal aspect enforcement ⓘ train separation control ⓘ |
| hasComponent |
control center interfaces
ⓘ
onboard ATC equipment ⓘ wayside ATC equipment ⓘ |
| monitors |
train position
ⓘ
train speed continuously ⓘ |
| operator | Tokyo Metro ⓘ |
| purpose |
ensure safe train operation
ⓘ
prevent rear-end collisions ⓘ prevent signal passed at danger ⓘ |
| region | Tokyo metropolitan area ⓘ |
| replaced | older fixed-block ATC systems on some lines ⓘ |
| safetyFunction |
enforces safe braking distance between trains
ⓘ
prevents trains from exceeding permitted speed profiles ⓘ |
| safetyStandard | fail-safe design principles ⓘ |
| supervises |
driver compliance with speed limits
ⓘ
stopping points at stations ⓘ |
| technologyType | continuous automatic train control ⓘ |
| usedBy | Tokyo Metro rolling stock equipped with ATC onboard units ⓘ |
| usedFor | high-density metro operations ⓘ |
| usedOn |
Tokyo Metro Chiyoda Line
ⓘ
Tokyo Metro Fukutoshin Line ⓘ Tokyo Metro Ginza Line ⓘ Tokyo Metro Hanzomon Line ⓘ Tokyo Metro Hibiya Line ⓘ Tokyo Metro Marunouchi Line ⓘ Tokyo Metro Namboku Line ⓘ Tokyo Metro Tozai Line ⓘ Tokyo Metro Yurakucho Line ⓘ
linked to:
Tokyo Metro Yurakuchō Line
interconnected private railway lines in Tokyo area ⓘ |
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: Tokyo Metro CS-ATC Description of subject: Tokyo Metro CS-ATC is a cab signaling-based automatic train control system used on Tokyo Metro and interconnected lines to ensure safe train operation through continuous speed supervision and automatic braking.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.