Strub system
E345584
The Strub system is a type of rack railway mechanism that uses a central toothed rail to provide additional traction and braking on steep gradients.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Strub system canonical | 7 |
| Strub rack system | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3288011 — 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: Strub system Context triple: [Montenvers Railway, rackSystem, Strub system]
-
A.
Girard Wing
Girard Wing is a gallery at the Museum of International Folk Art in Santa Fe renowned for its extensive and immersive displays of global folk art assembled by collector Alexander Girard.
-
B.
Engler system
The Engler system is a historical botanical classification framework developed by Adolf Engler that organized plants primarily by morphological characteristics and was widely used before modern phylogenetic systems.
-
C.
Holley
Holley is a surname most notably associated with Alexander Lyman Holley, a prominent 19th-century American engineer and steel industry pioneer.
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D.
Wyman-Gordon
Wyman-Gordon is an industrial manufacturer known for producing high-strength forged components, particularly for the aerospace and energy industries.
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E.
Cobb Offset
Cobb Offset is a major transform fault system in the northeast Pacific Ocean that offsets segments of the Juan de Fuca Ridge.
- 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: Strub system Target entity description: The Strub system is a type of rack railway mechanism that uses a central toothed rail to provide additional traction and braking on steep gradients.
-
A.
Girard Wing
Girard Wing is a gallery at the Museum of International Folk Art in Santa Fe renowned for its extensive and immersive displays of global folk art assembled by collector Alexander Girard.
-
B.
Engler system
The Engler system is a historical botanical classification framework developed by Adolf Engler that organized plants primarily by morphological characteristics and was widely used before modern phylogenetic systems.
-
C.
Holley
Holley is a surname most notably associated with Alexander Lyman Holley, a prominent 19th-century American engineer and steel industry pioneer.
-
D.
Wyman-Gordon
Wyman-Gordon is an industrial manufacturer known for producing high-strength forged components, particularly for the aerospace and energy industries.
-
E.
Cobb Offset
Cobb Offset is a major transform fault system in the northeast Pacific Ocean that offsets segments of the Juan de Fuca Ridge.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
rack railway system
ⓘ
railway technology ⓘ |
| appliesTo | railway track ⓘ |
| brakingMethod | rack-based braking ⓘ |
| category |
rack railway mechanism
ⓘ
rail transport technology ⓘ |
| designedFor | mountain railways ⓘ |
| distinguishedFrom |
Abt rack system
ⓘ
Locher rack system ⓘ
linked to:
Abt rack system
Riggenbach rack system ⓘ |
| enables | operation on gradients steeper than conventional adhesion railways ⓘ |
| feature |
continuous central rack rail
ⓘ
engagement of locomotive pinion with rack ⓘ |
| hasPart |
pinion wheel
ⓘ
rack rail ⓘ |
| operatesWith |
rack locomotive
ⓘ
rack-and-pinion drive ⓘ |
| provides |
additional braking
ⓘ
additional traction ⓘ |
| purpose |
to enable safe operation on steep railway lines
ⓘ
to prevent wheel slip on steep grades ⓘ |
| rackPosition | between running rails ⓘ |
| railType | single central rack ⓘ |
| railwayFunction | improves adhesion on steep grades ⓘ |
| tractionMethod | adhesion plus rack-and-pinion ⓘ |
| usedFor |
braking on steep railway sections
ⓘ
traction on steep railway sections ⓘ |
| usedOn | steep gradients ⓘ |
| uses | central toothed rail ⓘ |
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: Strub system Description of subject: The Strub system is a type of rack railway mechanism that uses a central toothed rail to provide additional traction and braking on steep gradients.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Strub system
subject linked to:
Dolderbahn rack railway
subject linked to:
Panoramique des Dômes rack railway to Puy de Dôme
linked to: Strub system