Triple

T638794
Position Surface form Disambiguated ID Type / Status
Subject Berkshire Hathaway E16684 entity
Predicate tickerSymbol P1447 FINISHED
Object BRK.B
BRK.B is the Class B common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
 E80483 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: BRK.B | Statement: [Berkshire Hathaway, tickerSymbol, BRK.B]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BRK.B
Context triple: [Berkshire Hathaway, tickerSymbol, BRK.B]
  • A. BRK.A
    BRK.A is the Class A common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
  • B. BK
    BK is a common abbreviation for Brooklyn, a borough of New York City known for its cultural diversity, arts scene, and historic neighborhoods.
  • C. JBU
    JBU is the ICAO airline designator used in flight operations and air traffic control to identify JetBlue Airways.
  • D. BOL
    BOL is the three-letter ISO 3166-1 alpha-3 country code assigned to Bolivia.
  • E. BR
    BR is the upper house of Austria’s parliament, representing the federal states in the legislative process.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: BRK.B
Triple: [Berkshire Hathaway, tickerSymbol, BRK.B]
Generated description
BRK.B is the Class B common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: BRK.B
Target entity description: BRK.B is the Class B common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
  • A. BRK.A
    BRK.A is the Class A common stock of Berkshire Hathaway Inc., the multinational conglomerate led by Warren Buffett.
  • B. BK
    BK is a common abbreviation for Brooklyn, a borough of New York City known for its cultural diversity, arts scene, and historic neighborhoods.
  • C. JBU
    JBU is the ICAO airline designator used in flight operations and air traffic control to identify JetBlue Airways.
  • D. BOL
    BOL is the three-letter ISO 3166-1 alpha-3 country code assigned to Bolivia.
  • E. BR
    BR is the upper house of Austria’s parliament, representing the federal states in the legislative process.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a4936be1c88190af56540324b57da7 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a49f00260081909d1a679182e23d10 completed March 1, 2026, 8:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69a5778daa0881908311823d8db543ae completed March 2, 2026, 11:42 a.m.
NEDg Description generation batch_69a5782a4d208190b2147ce5b4441204 completed March 2, 2026, 11:44 a.m.
NED2 Entity disambiguation (via description) batch_69a578e8e5488190933524b39c6053ba completed March 2, 2026, 11:47 a.m.
Created at: March 1, 2026, 7:35 p.m.