B2K stock
E283371
B2K stock is a type of electric multiple unit train used on London’s Docklands Light Railway system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| DLR B2K stock | 2 |
| B2K stock canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2634655 — 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: B2K stock Context triple: [Docklands Light Railway, rollingStock, B2K stock]
-
A.
BRK.B
BRK.B is the Class B common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
-
B.
BRK.A
BRK.A is the Class A common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
-
C.
2K
2K is a major American video game publisher best known for its popular sports and action game franchises, including the NBA 2K series.
-
D.
BK
BK is a common abbreviation for Brooklyn, a borough of New York City known for its cultural diversity, arts scene, and historic neighborhoods.
-
E.
BOK
BOK is the commonly used abbreviation for the Bank of Korea, South Korea’s central bank responsible for monetary policy and financial stability.
- 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: B2K stock Target entity description: B2K stock is a type of electric multiple unit train used on London’s Docklands Light Railway system.
-
A.
BRK.B
BRK.B is the Class B common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
-
B.
BRK.A
BRK.A is the Class A common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
-
C.
2K
2K is a major American video game publisher best known for its popular sports and action game franchises, including the NBA 2K series.
-
D.
BK
BK is a common abbreviation for Brooklyn, a borough of New York City known for its cultural diversity, arts scene, and historic neighborhoods.
-
E.
BOK
BOK is the commonly used abbreviation for the Bank of Korea, South Korea’s central bank responsible for monetary policy and financial stability.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
light rail vehicle ⓘ passenger train ⓘ |
| controlSystem | automatic train operation ⓘ |
| country | United Kingdom ⓘ |
| designedFor | driverless operation ⓘ |
| electrificationSystem | 750 V DC third rail ⓘ |
| gauge | standard gauge ⓘ |
| location |
Docklands area of London
ⓘ
linked to:
London Docklands
|
| multipleUnitType | EMU ⓘ |
| networkType | automated light metro ⓘ |
| operatedBy |
Docklands Light Railway Ltd
ⓘ
linked to:
Docklands Light Railway
|
| operatesInCity |
London
ⓘ
linked to:
London, England
|
| operatingRegion |
Canary Wharf area
ⓘ
linked to:
Canary Wharf
City of London ⓘ East London ⓘ Southeast London ⓘ
linked to:
South East London
Stratford area ⓘ |
| powerSupply | third rail ⓘ |
| propulsion | electric motor ⓘ |
| railwaySystem | Docklands Light Railway ⓘ |
| railwayType | light railway ⓘ |
| serviceType |
commuter rail
ⓘ
urban transit ⓘ |
| trackGauge | 1435 mm ⓘ |
| tractionType | electric ⓘ |
| usedFor |
passenger transport
ⓘ
public transit ⓘ |
| usedOn | Docklands Light Railway ⓘ |
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: B2K stock Description of subject: B2K stock is a type of electric multiple unit train used on London’s Docklands Light Railway system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: B2K stock
linked to: B2K stock