PZB
E386840
PZB is a German train protection system that automatically supervises train speeds and signal observance to prevent accidents such as passing signals at danger.
All labels observed (1)
| Label | Occurrences |
|---|---|
| PZB canonical | 11 |
How this entity was disambiguated
This entity first appeared as the object of triple T3765964 — 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: PZB Context triple: [TGV POS, safetySystem, PZB]
-
A.
PSB
PSB is a high-energy particle accelerator at CERN that boosts protons from the Proton Synchrotron Injector Complex to higher energies for use in subsequent accelerators and experiments.
-
B.
GZP
GZP is the ICAO airline designator assigned to Gazpromavia, the Russian airline owned by the energy company Gazprom.
-
C.
PZPR
PZPR was the ruling communist party that governed the Polish People's Republic from the late 1940s until the fall of communism in 1989.
-
D.
PQI
PQI is the IATA airport code for Northern Maine Regional Airport at Presque Isle in Maine, United States.
-
E.
PBD
PBD is the IATA airport code for Porbandar Airport, a domestic airport serving the city of Porbandar in the Indian state of Gujarat.
- 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: PZB Target entity description: PZB is a German train protection system that automatically supervises train speeds and signal observance to prevent accidents such as passing signals at danger.
-
A.
PSB
PSB is a high-energy particle accelerator at CERN that boosts protons from the Proton Synchrotron Injector Complex to higher energies for use in subsequent accelerators and experiments.
-
B.
GZP
GZP is the ICAO airline designator assigned to Gazpromavia, the Russian airline owned by the energy company Gazprom.
-
C.
PZPR
PZPR was the ruling communist party that governed the Polish People's Republic from the late 1940s until the fall of communism in 1989.
-
D.
PQI
PQI is the IATA airport code for Northern Maine Regional Airport at Presque Isle in Maine, United States.
-
E.
PBD
PBD is the IATA airport code for Porbandar Airport, a domestic airport serving the city of Porbandar in the Indian state of Gujarat.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
railway safety system
ⓘ
train protection system ⓘ |
| abbreviation | PZB self-link ⓘ |
| appliesTo |
freight trains
ⓘ
mainline railways ⓘ passenger trains ⓘ railway operations ⓘ |
| basedOn | inductive trackside magnets ⓘ |
| belongsToCategory | European train protection systems ⓘ |
| canTrigger | emergency brake application ⓘ |
| coexistsWith |
European Train Control System
ⓘ
surface form:
ETCS
LZB ⓘ |
| compatibleWith | German signalling system ⓘ |
| controls |
train braking
ⓘ
train speed profiles ⓘ |
| countryOfOrigin | Germany ⓘ |
| designedTo |
monitor signal observance
ⓘ
prevent signals passed at danger ⓘ reduce train accidents ⓘ supervise train speed ⓘ |
| fullName |
Train Protection & Warning System
ⓘ
surface form:
Punktförmige Zugbeeinflussung
|
| hasVariant |
PZB 60
ⓘ
PZB 70 ⓘ PZ-90 ⓘ
surface form:
PZB 90
|
| implements |
automatic emergency braking
ⓘ
driver vigilance checks ⓘ speed restrictions after signal aspects ⓘ |
| introducedInCountry | Germany ⓘ |
| monitors |
acknowledgement of restrictive signals
ⓘ
compliance with braking curves ⓘ |
| notDesignedFor | very high-speed lines without additional systems ⓘ |
| operatesWith | fixed trackside frequencies ⓘ |
| prevents |
overspeeding in danger zones
ⓘ
passing signals at danger ⓘ |
| regulates |
braking distance to danger points
ⓘ
maximum speed after passing restrictive signals ⓘ |
| requires | driver acknowledgement of restrictive signals ⓘ |
| safetyFunction |
signal observance supervision
ⓘ
speed supervision ⓘ train stop enforcement ⓘ |
| usedInCountry |
Austria
ⓘ
Germany ⓘ Switzerland ⓘ other European countries ⓘ |
| usedOn | conventional railway lines ⓘ |
| uses |
on-board vehicle equipment
ⓘ
track magnets ⓘ |
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: PZB Description of subject: PZB is a German train protection system that automatically supervises train speeds and signal observance to prevent accidents such as passing signals at danger.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
TGV POS