ATS-SN
E541202
ATS-SN is a Japanese automatic train stop safety system used on conventional railway lines to prevent trains from passing signals at danger.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T5716333 — 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: ATS-SN Context triple: [E233 series EMU, safetySystem, ATS-SN]
-
A.
ATS
ATS is the abbreviation for the Auxiliary Territorial Service, the women's branch of the British Army during the Second World War.
-
B.
ATS
ATS is the Antarctic Treaty Secretariat, the international body that supports and coordinates the implementation of the Antarctic Treaty System among its member countries.
-
C.
ATS
ATS is a North American accrediting and membership organization for graduate schools of theology and ministry.
-
D.
ATN
ATN most likely refers to Augmented Transition Network, a type of finite state machine used in computational linguistics and natural language processing for parsing sentences.
-
E.
ATAS
ATAS is the commonly used acronym for the Academy of Television Arts & Sciences, the organization best known for administering the Primetime Emmy Awards.
- 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: ATS-SN Target entity description: ATS-SN is a Japanese automatic train stop safety system used on conventional railway lines to prevent trains from passing signals at danger.
-
A.
ATS
ATS is the abbreviation for the Auxiliary Territorial Service, the women's branch of the British Army during the Second World War.
-
B.
ATS
ATS is the Antarctic Treaty Secretariat, the international body that supports and coordinates the implementation of the Antarctic Treaty System among its member countries.
-
C.
ATS
ATS is a North American accrediting and membership organization for graduate schools of theology and ministry.
-
D.
ATN
ATN most likely refers to Augmented Transition Network, a type of finite state machine used in computational linguistics and natural language processing for parsing sentences.
-
E.
ATAS
ATAS is the commonly used acronym for the Academy of Television Arts & Sciences, the organization best known for administering the Primetime Emmy Awards.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
automatic train stop system
ⓘ
railway safety system ⓘ |
| activationCondition |
train exceeding permitted speed at certain signal approaches
ⓘ
train passing a signal at danger ⓘ |
| appliesTo | trainsets equipped with ATS-SN onboard equipment ⓘ |
| basedOn |
ATS-S
ⓘ
linked to:
ATS-SN
|
| belongsToCategory |
Automatic Train Stop
ⓘ
rail transport safety technology ⓘ |
| countryOfOrigin | Japan ⓘ |
| distinctFrom |
ATC (Automatic Train Control)
ⓘ
linked to:
Automatic Train Control
ATS-P ⓘ |
| effectOfActivation |
automatic brake application
ⓘ
train stop before conflict point ⓘ |
| hasComponent |
brake control interface
ⓘ
onboard receiver equipment ⓘ trackside transponders ⓘ |
| implementedSince | late 20th century ⓘ |
| introducedAs | improved version of ATS-S ⓘ |
| languageOfAcronym | Japanese ⓘ |
| monitors |
signal aspects
ⓘ
train speed near signals ⓘ |
| operatedBy |
Japanese private railway companies
ⓘ
regional railway operators in Japan ⓘ some JR Group companies ⓘ |
| operationalContext | lines without full cab signalling ⓘ |
| purpose |
prevent trains from passing signals at danger
ⓘ
signal overrun prevention ⓘ train protection ⓘ |
| region | East Asia ⓘ |
| relatedTo |
positive train control concepts
ⓘ
railway signalling in Japan ⓘ |
| replaces | older ATS-S installations ⓘ |
| requires |
compatible onboard equipment
ⓘ
installation of trackside devices at signals ⓘ |
| safetyCategory | train protection system ⓘ |
| safetyFunction |
automatic emergency brake application on signal overrun
ⓘ
speed check approaching restrictive signals ⓘ |
| usedFor |
conventional (non–high-speed) passenger services
ⓘ
conventional freight services ⓘ |
| usedIn | Japan ⓘ |
| usedOn |
conventional railway lines
ⓘ
narrow-gauge railway lines in Japan ⓘ |
| usedOnInfrastructure |
signalled main lines
ⓘ
some branch lines in Japan ⓘ |
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: ATS-SN Description of subject: ATS-SN is a Japanese automatic train stop safety system used on conventional railway lines to prevent trains from passing signals at danger.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.