SNCB (leased units)
E841052
SNCB (leased units) refers to the Belgian National Railway Company’s fleet of locomotives and rolling stock temporarily hired from other operators to supplement its own services.
All labels observed (2)
| Label | Occurrences |
|---|---|
| SNCB (leased units) canonical | 1 |
| SNCB rolling stock | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10085203 — 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: SNCB (leased units) Context triple: [BB 7200, operator, SNCB (leased units)]
-
A.
SNCB Class 18
The SNCB Class 18 is a series of Belgian electric locomotives used for passenger services, derived from and visually similar to the French BB 15000 design.
-
B.
SNCB/NMBS
SNCB/NMBS is the Belgian national railway company responsible for operating most passenger train services and managing much of the rail infrastructure in Belgium.
-
C.
Alstom multiple units
Alstom multiple units are self-propelled passenger train sets manufactured by Alstom for use in various urban and regional rail systems worldwide.
-
D.
Infrabel
Infrabel is the Belgian railway infrastructure manager responsible for the construction, maintenance, and operation of the national rail network.
-
E.
SNCF Voyageurs
SNCF Voyageurs is the passenger rail operating division of France’s national railway company, responsible for running high-speed, regional, and commuter train services.
- 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: SNCB (leased units) Target entity description: SNCB (leased units) refers to the Belgian National Railway Company’s fleet of locomotives and rolling stock temporarily hired from other operators to supplement its own services.
-
A.
SNCB Class 18
The SNCB Class 18 is a series of Belgian electric locomotives used for passenger services, derived from and visually similar to the French BB 15000 design.
-
B.
SNCB/NMBS
SNCB/NMBS is the Belgian national railway company responsible for operating most passenger train services and managing much of the rail infrastructure in Belgium.
-
C.
Alstom multiple units
Alstom multiple units are self-propelled passenger train sets manufactured by Alstom for use in various urban and regional rail systems worldwide.
-
D.
Infrabel
Infrabel is the Belgian railway infrastructure manager responsible for the construction, maintenance, and operation of the national rail network.
-
E.
SNCF Voyageurs
SNCF Voyageurs is the passenger rail operating division of France’s national railway company, responsible for running high-speed, regional, and commuter train services.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
leased railway equipment
ⓘ
rolling stock fleet subset ⓘ |
| belongsTo | European railway leasing market ⓘ |
| characteristic |
not owned by SNCB
ⓘ
subject to lease contracts ⓘ temporarily hired ⓘ used to supplement core fleet ⓘ |
| country | Belgium ⓘ |
| fullName |
Nationale Maatschappij der Belgische Spoorwegen leased units
ⓘ
Société Nationale des Chemins de fer Belges leased units ⓘ |
| hasComponent |
leased freight wagons
ⓘ
leased locomotives ⓘ leased multiple units ⓘ leased passenger coaches ⓘ |
| languageContext |
Dutch
ⓘ
French ⓘ German ⓘ |
| locatedIn | SNCB depots ⓘ |
| maintainedBy |
SNCB
ⓘ
linked to:
SNCB/NMBS
contracted maintenance providers ⓘ |
| operator |
NMBS
ⓘ
SNCB ⓘ
linked to:
SNCB/NMBS
|
| owner |
rolling stock leasing companies
ⓘ
various foreign railway undertakings ⓘ |
| partOf |
SNCB rolling stock
ⓘ
linked to:
SNCB (leased units)
|
| reasonForUse |
fleet renewal transition
ⓘ
traffic increase ⓘ unexpected rolling stock unavailability ⓘ |
| regulatoryAuthority | Belgian railway safety authority ⓘ |
| requires |
Belgian network authorization
ⓘ
interoperability certification ⓘ |
| sector | rail transport ⓘ |
| timeSpan | varies by lease contract ⓘ |
| usedBy |
SNCB domestic services
ⓘ
linked to:
SNCB/NMBS
SNCB international services ⓘ |
| usedFor |
covering rolling stock shortages
ⓘ
freight services ⓘ infrastructure works diversions ⓘ passenger services ⓘ peak capacity reinforcement ⓘ |
| usedOn | Belgian railway network ⓘ |
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: SNCB (leased units) Description of subject: SNCB (leased units) refers to the Belgian National Railway Company’s fleet of locomotives and rolling stock temporarily hired from other operators to supplement its own services.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
BB 7200 locomotives
linked to: SNCB (leased units)