S8 Stock
E298260
S8 Stock is a type of London Underground train used on the Metropolitan line, featuring air-conditioned, walk-through carriages designed for longer-distance suburban services.
All labels observed (1)
| Label | Occurrences |
|---|---|
| S8 Stock canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2773525 — 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: S8 Stock Context triple: [Metropolitan line, rollingStock, S8 Stock]
-
A.
S8
S8 is a line of the Berlin S-Bahn urban rail network serving various districts across the Berlin metropolitan area.
-
B.
S85
S85 is a suburban rail line of the Berlin S-Bahn network serving routes through the German capital and its surrounding areas.
-
C.
S89
S89 is a Staten Island bus route in New York City that provides local transit service connecting New Springville with other parts of the borough.
-
D.
S7 Stock
S7 Stock is a type of London Underground train used on the Circle and other sub-surface lines, featuring air-conditioning, walk-through carriages, and modern passenger information systems.
-
E.
Nokia 8 series
The Nokia 8 series is a line of Android-based flagship smartphones known for their premium build, clean software experience, and Zeiss-branded camera systems.
- 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: S8 Stock Target entity description: S8 Stock is a type of London Underground train used on the Metropolitan line, featuring air-conditioned, walk-through carriages designed for longer-distance suburban services.
-
A.
S8
S8 is a line of the Berlin S-Bahn urban rail network serving various districts across the Berlin metropolitan area.
-
B.
S85
S85 is a suburban rail line of the Berlin S-Bahn network serving routes through the German capital and its surrounding areas.
-
C.
S89
S89 is a Staten Island bus route in New York City that provides local transit service connecting New Springville with other parts of the borough.
-
D.
S7 Stock
S7 Stock is a type of London Underground train used on the Circle and other sub-surface lines, featuring air-conditioning, walk-through carriages, and modern passenger information systems.
-
E.
Nokia 8 series
The Nokia 8 series is a line of Android-based flagship smartphones known for their premium build, clean software experience, and Zeiss-branded camera systems.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
London Underground rolling stock
ⓘ
electric multiple unit ⓘ |
| airConditioned | yes ⓘ |
| airConditioningType | full saloon air conditioning ⓘ |
| belongsToSeries | S Stock ⓘ |
| brakeType |
electro-pneumatic brakes
ⓘ
regenerative braking ⓘ |
| carriageConfiguration | 8-car train ⓘ |
| constructionMaterial | aluminium bodyshell ⓘ |
| countryOfOperation | United Kingdom ⓘ |
| depot |
Neasden Depot
ⓘ
surface form:
Neasden depot
|
| designedBy |
Alstom (formerly Bombardier Transportation)
ⓘ
surface form:
Bombardier Transportation
|
| designedFor |
longer-distance services
ⓘ
suburban services ⓘ |
| doorArrangement | 3 double-leaf doors per side per car (approximate standard for S Stock) ⓘ |
| doorType | sliding plug doors ⓘ |
| enteredServiceOnLine | Metropolitan line ⓘ |
| family | Movia ⓘ |
| hasCabAtEachEnd | yes ⓘ |
| hasFeature |
CCTV
ⓘ
air suspension ⓘ passenger information displays ⓘ through gangways between cars ⓘ wheelchair spaces ⓘ |
| hasGangwayAtCabEnd | yes ⓘ |
| hasSeatingLayout | mixed longitudinal and transverse seating ⓘ |
| introducedInService | 2010 ⓘ |
| introducedToReplace | life-expired A Stock ⓘ |
| manufacturer |
Alstom (formerly Bombardier Transportation)
ⓘ
surface form:
Bombardier Transportation
|
| network | London Underground ⓘ |
| operatedOnLine | Metropolitan line ⓘ |
| operator | London Underground ⓘ |
| powerSupply | 630 V DC fourth rail ⓘ |
| relatedRollingStock | S7 Stock ⓘ |
| replacedRollingStock |
S Stock
ⓘ
surface form:
A Stock
|
| safetySystem |
automatic train protection (on equipped sections)
ⓘ
tripcock ⓘ |
| serviceArea |
Metropolitan line
ⓘ
surface form:
Metropolitan line between Aldgate and Amersham
Metropolitan line between Aldgate and Chesham ⓘ Metropolitan line ⓘ
surface form:
Metropolitan line between Aldgate and Uxbridge
Metropolitan line ⓘ
surface form:
Metropolitan line between Aldgate and Watford
|
| serviceType | sub-surface line stock ⓘ |
| trackGauge | standard gauge ⓘ |
| usedBy | Transport for London ⓘ |
| usedFor |
all-stations services on Metropolitan line
ⓘ
fast services on Metropolitan line ⓘ semi-fast services on Metropolitan line ⓘ |
| walkThrough | yes ⓘ |
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: S8 Stock Description of subject: S8 Stock is a type of London Underground train used on the Metropolitan line, featuring air-conditioned, walk-through carriages designed for longer-distance suburban services.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.