S7 Stock
E283347
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| S7 Stock canonical | 16 |
How this entity was disambiguated
This entity first appeared as the object of triple T2634296 — 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: S7 Stock Context triple: [Circle line, rollingStock, S7 Stock]
-
A.
S7
S7 is a Berlin S-Bahn rapid transit line that runs across the city, connecting key districts between Potsdam and Ahrensfelde.
-
B.
S7
S7 is the IATA airline designator for S7 Airlines, a major Russian carrier based in Novosibirsk.
-
C.
S75
S75 is a line of the Berlin S-Bahn urban rail network serving routes within the Berlin metropolitan area.
-
D.
S7 Priority
S7 Priority is the frequent flyer loyalty program of Russian carrier S7 Airlines, offering members tiered status levels, mileage accrual, and various travel benefits.
-
E.
UP-78
UP-78 is the vehicle registration code assigned to motor vehicles registered in Kanpur, Uttar Pradesh, India.
- 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: S7 Stock Target entity description: 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.
-
A.
S7
S7 is a Berlin S-Bahn rapid transit line that runs across the city, connecting key districts between Potsdam and Ahrensfelde.
-
B.
S7
S7 is the IATA airline designator for S7 Airlines, a major Russian carrier based in Novosibirsk.
-
C.
S75
S75 is a line of the Berlin S-Bahn urban rail network serving routes within the Berlin metropolitan area.
-
D.
S7 Priority
S7 Priority is the frequent flyer loyalty program of Russian carrier S7 Airlines, offering members tiered status levels, mileage accrual, and various travel benefits.
-
E.
UP-78
UP-78 is the vehicle registration code assigned to motor vehicles registered in Kanpur, Uttar Pradesh, India.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
London Underground rolling stock
ⓘ
electric multiple unit ⓘ sub-surface stock ⓘ |
| brakeType |
electro-pneumatic brakes
ⓘ
regenerative braking ⓘ |
| builtAt | Bombardier Derby Litchurch Lane Works ⓘ |
| carCount | 7 ⓘ |
| configurationDifferenceFrom | S8 Stock has 8 cars while S7 has 7 cars ⓘ |
| constructionMaterial | aluminium bodyshell ⓘ |
| countryOfOperation | United Kingdom ⓘ |
| designedFor |
high passenger capacity
ⓘ
sub-surface lines of the London Underground ⓘ |
| doorConfiguration | 4 double-leaf doors per car per side (typical) ⓘ |
| electrificationSystem | 630 V DC fourth rail ⓘ |
| enteredService | 2010s ⓘ |
| family | Movia ⓘ |
| gauge | standard gauge ⓘ |
| hasFeature |
CCTV
ⓘ
air-conditioning ⓘ audio-visual announcements ⓘ inter-car barriers ⓘ low-floor design ⓘ modern passenger information system ⓘ open gangways ⓘ perch seats ⓘ walk-through carriages ⓘ wheelchair spaces ⓘ wide doors ⓘ |
| hasInteriorLayout | longitudinal seating ⓘ |
| introduced | 2010 ⓘ |
| manufacturer |
Bombardier Transportation
ⓘ
linked to:
Alstom (formerly Bombardier Transportation)
Bombardier Transportation UK Ltd ⓘ
linked to:
Alstom (formerly Bombardier Transportation)
|
| network | London Underground ⓘ |
| operator | London Underground ⓘ |
| partOfSeries | S Stock ⓘ |
| powerCollectionMethod | contact shoe ⓘ |
| purpose | passenger transport ⓘ |
| relatedTo | S8 Stock ⓘ |
| replaced |
C Stock
ⓘ
D Stock ⓘ |
| safetySystem | train protection and warning systems compatible with London Underground standards ⓘ |
| trackGauge | 1435 mm ⓘ |
| trainLength | approximately 117 metres ⓘ |
| usedOnLine |
Circle line
ⓘ
District line ⓘ Hammersmith & City line ⓘ Metropolitan line (sub-surface sections only) ⓘ
linked to:
London Underground Metropolitan line
|
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: S7 Stock Description of subject: 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.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.