Triple
T2979867
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BRK.B |
E80483
|
entity |
| Predicate | hasUnderlyingIssuer |
P37863
|
FINISHED |
| Object | Berkshire Hathaway Inc. |
E16684
|
NE FINISHED |
How this triple was built (2 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: Berkshire Hathaway Inc. | Statement: [BRK.B, hasUnderlyingIssuer, Berkshire Hathaway Inc.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Berkshire Hathaway Inc. Context triple: [BRK.B, hasUnderlyingIssuer, Berkshire Hathaway Inc.]
-
A.
Berkshire Hathaway
chosen
Berkshire Hathaway is a multinational conglomerate holding company based in the United States, best known for its diverse portfolio of wholly owned businesses and large equity investments overseen by Warren Buffett.
-
B.
Berkshire Hathaway Primary Group
Berkshire Hathaway Primary Group is an insurance division within Warren Buffett’s Berkshire Hathaway conglomerate that focuses on primary commercial insurance solutions.
-
C.
Buffett Partnership, Ltd.
Buffett Partnership, Ltd. was Warren Buffett’s early investment partnership through which he built his reputation and track record as a value investor before taking control of Berkshire Hathaway.
-
D.
Berkshire Hathaway Energy
Berkshire Hathaway Energy is a major U.S.-based energy company focused on regulated utilities and renewable power generation, operating as a key subsidiary of Warren Buffett’s Berkshire Hathaway conglomerate.
-
E.
Transamerica Corporation
Transamerica Corporation is a major American financial services company best known for its life insurance, investment, and retirement products and its iconic association with the Transamerica Pyramid in San Francisco.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ad8b15f6ac8190be5fd16a33edcb4f |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad999e91788190a2d430dd0600a660 |
completed | March 8, 2026, 3:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4cdbd9a9c8190b1135a4120ac0c6b |
completed | March 14, 2026, 2:53 a.m. |
Created at: March 8, 2026, 2:58 p.m.