TVM cab signalling
E230519
TVM cab signalling is a high-speed railway in-cab signalling and train control system used on French high-speed lines such as the LGV Méditerranée.
All labels observed (4)
| Label | Occurrences |
|---|---|
| TVM cab signalling canonical | 5 |
| TVM (Transmission Voie-Machine) | 1 |
| TVM cab signaling | 1 |
| TVM on LGV Nord | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2056280 — 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: TVM cab signalling Context triple: [LGV Méditerranée, railwaySignalling, TVM cab signalling]
-
A.
Automatic Train Supervision
Automatic Train Supervision is a rail signaling subsystem that monitors, regulates, and optimizes train operations in real time, including scheduling, routing, and service regulation.
-
B.
Automatic Train Control
Automatic Train Control is a railway safety and control system that automates train operations such as speed regulation and braking to prevent collisions and ensure safe, efficient train movement.
-
C.
European Train Control System
The European Train Control System (ETCS) is a standardized, interoperable train signaling and control system used across Europe and in high-speed railways worldwide to enhance safety and efficiency.
-
D.
Positive Train Control
Positive Train Control is an advanced, federally mandated train safety technology designed to automatically prevent collisions, overspeed derailments, and other dangerous train movements.
-
E.
ETCS Level 2
ETCS Level 2 is an advanced European train control and signalling standard that enables continuous, cab-based train supervision and high-speed, high-capacity railway operations.
- 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: TVM cab signalling Target entity description: TVM cab signalling is a high-speed railway in-cab signalling and train control system used on French high-speed lines such as the LGV Méditerranée.
-
A.
Automatic Train Supervision
Automatic Train Supervision is a rail signaling subsystem that monitors, regulates, and optimizes train operations in real time, including scheduling, routing, and service regulation.
-
B.
Automatic Train Control
Automatic Train Control is a railway safety and control system that automates train operations such as speed regulation and braking to prevent collisions and ensure safe, efficient train movement.
-
C.
European Train Control System
The European Train Control System (ETCS) is a standardized, interoperable train signaling and control system used across Europe and in high-speed railways worldwide to enhance safety and efficiency.
-
D.
Positive Train Control
Positive Train Control is an advanced, federally mandated train safety technology designed to automatically prevent collisions, overspeed derailments, and other dangerous train movements.
-
E.
ETCS Level 2
ETCS Level 2 is an advanced European train control and signalling standard that enables continuous, cab-based train supervision and high-speed, high-capacity railway operations.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
in-cab signalling system
ⓘ
railway signalling system ⓘ train control system ⓘ |
| appliesTo | high-speed railways ⓘ |
| controls |
train spacing
ⓘ
train speed ⓘ |
| countryOfOrigin | France ⓘ |
| dataTransmissionMedium | rail-mounted track circuits ⓘ |
| designedFor | high-speed operation ⓘ |
| developer |
Alstom (formerly Bombardier Transportation)
ⓘ
surface form:
Alstom
SNCF ⓘ |
| hasVersion |
TVM-300
ⓘ
TVM-430 ⓘ |
| implements |
automatic train control
ⓘ
cab signalling ⓘ |
| introducedFor | French high-speed lines ⓘ |
| language | uses numeric speed codes ⓘ |
| notableFeature |
block occupancy information in cab
ⓘ
no reliance on high-speed lineside signals ⓘ stepwise speed commands in cab ⓘ |
| operatedBy | SNCF Réseau ⓘ |
| operatedOn | LGV network in France ⓘ |
| primaryUser |
TGV network
ⓘ
surface form:
French high-speed rail network
|
| provides |
continuous speed supervision
ⓘ
in-cab movement authority ⓘ |
| region | Europe ⓘ |
| relatedTo |
European Train Control System
ⓘ
surface form:
ERTMS
KVB ⓘ |
| replaces | lineside signals at high speed ⓘ |
| safetyFunction |
automatic train protection
ⓘ
overspeed protection ⓘ signal overrun prevention ⓘ |
| supports | bi-directional operation on high-speed lines ⓘ |
| usedBy |
Eurostar
ⓘ
TGV ⓘ Thalys ⓘ |
| usedOn |
Channel Tunnel
ⓘ
High Speed 1 ⓘ LGV Atlantique ⓘ LGV Méditerranée ⓘ LGV Nord ⓘ LGV Sud-Est ⓘ |
| uses |
block sections
ⓘ
coded track circuits ⓘ track-to-train data transmission ⓘ |
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: TVM cab signalling Description of subject: TVM cab signalling is a high-speed railway in-cab signalling and train control system used on French high-speed lines such as the LGV Méditerranée.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
TVM cab signaling
subject surface form:
TGV Sud-Est
subject surface form:
TGV Réseau
this entity surface form:
TVM on LGV Nord
subject surface form:
Lignes à grande vitesse network
this entity surface form:
TVM (Transmission Voie-Machine)