BRK.A
E79836
BRK.A is the Class A common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
All labels observed (2)
| Label | Occurrences |
|---|---|
| BRK.A canonical | 6 |
| lower than BRK.A | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T638793 — 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: BRK.A Context triple: [Berkshire Hathaway, tickerSymbol, BRK.A]
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A.
BK
BK is a common abbreviation for Brooklyn, a borough of New York City known for its cultural diversity, arts scene, and historic neighborhoods.
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B.
BR
BR is the upper house of Austria’s parliament, representing the federal states in the legislative process.
-
C.
BOL
BOL is the three-letter ISO 3166-1 alpha-3 country code assigned to Bolivia.
-
D.
JBU
JBU is the ICAO airline designator used in flight operations and air traffic control to identify JetBlue Airways.
-
E.
NKE
NKE is the stock ticker symbol for Nike, Inc., the multinational corporation known for its athletic footwear, apparel, and sports equipment.
- 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: BRK.A Target entity description: BRK.A is the Class A common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
-
A.
BK
BK is a common abbreviation for Brooklyn, a borough of New York City known for its cultural diversity, arts scene, and historic neighborhoods.
-
B.
BR
BR is the upper house of Austria’s parliament, representing the federal states in the legislative process.
-
C.
BOL
BOL is the three-letter ISO 3166-1 alpha-3 country code assigned to Bolivia.
-
D.
JBU
JBU is the ICAO airline designator used in flight operations and air traffic control to identify JetBlue Airways.
-
E.
NKE
NKE is the stock ticker symbol for Nike, Inc., the multinational corporation known for its athletic footwear, apparel, and sports equipment.
- F. None of above. chosen
Statements (48)
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: BRK.A Description of subject: BRK.A is the Class A common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.