S Stock
E952973
S Stock is a class of electric multiple unit trains used on the London Underground’s sub-surface lines.
All labels observed (3)
| Label | Occurrences |
|---|---|
| S Stock canonical | 2 |
| A Stock | 1 |
| Standard Stock | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11909106 — 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: S Stock Context triple: [S7 Stock, partOfSeries, S Stock]
-
A.
Stock
Stock is a French publishing house known for releasing a wide range of literary and non-fiction works.
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B.
Stock
Stock is the nickname of John Stockton, the Hall of Fame NBA point guard renowned for his all-time records in assists and steals with the Utah Jazz.
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C.
Stock
Stock is a small village in J.R.R. Tolkien’s Middle-earth, located in the Shire’s Eastfarthing near the Brandywine River.
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D.
STK
STK is the standard abbreviation used for the Stockton Heat, a former professional ice hockey team that played in the American Hockey League as the Calgary Flames’ affiliate.
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E.
STK
STK is the common abbreviation used for the St Kilda Football Club, an Australian rules football team in the Australian Football League (AFL).
- 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: S Stock Target entity description: S Stock is a class of electric multiple unit trains used on the London Underground’s sub-surface lines.
-
A.
Stock
Stock is a French publishing house known for releasing a wide range of literary and non-fiction works.
-
B.
Stock
Stock is a small village in J.R.R. Tolkien’s Middle-earth, located in the Shire’s Eastfarthing near the Brandywine River.
-
C.
Stock
Stock is the nickname of John Stockton, the Hall of Fame NBA point guard renowned for his all-time records in assists and steals with the Utah Jazz.
-
D.
STK
STK is the standard abbreviation used for the Stockton Heat, a former professional ice hockey team that played in the American Hockey League as the Calgary Flames’ affiliate.
-
E.
STK
STK is the common abbreviation used for the St Kilda Football Club, an Australian rules football team in the Australian Football League (AFL).
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
London Underground train
ⓘ
electric multiple unit ⓘ electric multiple unit ⓘ electric multiple unit ⓘ rolling stock ⓘ |
| brakeType | electro-pneumatic brakes ⓘ |
| builtAt | Derby Litchurch Lane Works NERFINISHED ⓘ |
| carBodyMaterial | aluminium ⓘ |
| countryOfOperation | United Kingdom ⓘ |
| designedBy | Bombardier Transportation NERFINISHED ⓘ |
| designedFor | sub-surface lines ⓘ |
| doorType | sliding plug door ⓘ |
| electricalSystem | 630 V DC third rail ⓘ |
| enteredServiceDecade | 2010s ⓘ |
| family | Movia NERFINISHED ⓘ |
| gauge | standard gauge ⓘ |
| hasConfiguration | fixed-formation multiple unit ⓘ |
| hasFeature |
air-conditioning
ⓘ
passenger information displays ⓘ walk-through interior ⓘ wheelchair spaces ⓘ |
| hasFloorType | low-floor ⓘ |
| hasGangway | full-width inter-car gangways ⓘ |
| hasSubclass |
S7 Stock
NERFINISHED
ⓘ
S8 Stock ⓘ |
| introduced | 2010 ⓘ |
| introducedOnLine | Metropolitan line NERFINISHED ⓘ |
| manufacturer | Bombardier Transportation NERFINISHED ⓘ |
| network | London Underground NERFINISHED ⓘ |
| networkSection | sub-surface network of London Underground ⓘ |
| operator | London Underground NERFINISHED ⓘ |
| powerCollectionMethod | third rail ⓘ |
| replacedRollingStock |
A Stock
ⓘ
C Stock NERFINISHED ⓘ D Stock NERFINISHED ⓘ |
| tractionType | electric ⓘ |
| usedFor | passenger transport ⓘ |
| usedOnLine |
Circle line
NERFINISHED
ⓘ
Circle line NERFINISHED ⓘ District line NERFINISHED ⓘ District line NERFINISHED ⓘ Hammersmith & City line NERFINISHED ⓘ Hammersmith & City line NERFINISHED ⓘ Metropolitan line NERFINISHED ⓘ Metropolitan line NERFINISHED ⓘ Metropolitan line NERFINISHED ⓘ |
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: S Stock Description of subject: S Stock is a class of electric multiple unit trains used on the London Underground’s sub-surface lines.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Standard Stock
this entity surface form:
A Stock