Triple
T13184043
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | National Indemnity Company |
E313800
|
entity |
| Predicate | isCoreSubsidiaryOf |
P71890
|
FINISHED |
| Object | Berkshire Hathaway |
E16684
|
NE FINISHED |
How this triple was built (3 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 | Statement: [National Indemnity Company, isCoreSubsidiaryOf, Berkshire Hathaway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Berkshire Hathaway Context triple: [National Indemnity Company, isCoreSubsidiaryOf, Berkshire Hathaway]
-
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 Reinsurance Group
Berkshire Hathaway Reinsurance Group is a major division of Berkshire Hathaway that provides large-scale reinsurance solutions across a wide range of insurance lines globally.
-
E.
Berkshire Partners
Berkshire Partners is a Boston-based private equity firm known for investing in and acquiring middle-market companies across a range of industries.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isCoreSubsidiaryOf Context triple: [National Indemnity Company, isCoreSubsidiaryOf, Berkshire Hathaway]
-
A.
coreSubsidiaryOf
chosen
Indicates that one entity is a primary or central subsidiary that is owned or controlled by another entity.
-
B.
hasSubsidiaryLabel
Indicates that one entity is identified as a subsidiary or subordinate organization of another entity.
-
C.
usedBySubsidiaryOf
Indicates that something is used by an entity that is a subsidiary of another organization.
-
D.
hasAllianceThroughSubsidiary
Indicates that two entities are in an alliance indirectly, established or maintained through one or more subsidiary entities rather than directly between the primary entities.
-
E.
subsidiaryOrAsset
Indicates that one entity is owned, controlled, or held as a subsidiary company or asset by another entity.
- F. None of above.
Provenance (4 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_69d806ae1e08819090d95bfe1538cc17 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98cf054f88190b05ced98d5a22a62 |
completed | April 10, 2026, 11:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f70a2e415481908ad1036376f702dc |
completed | May 3, 2026, 8:41 a.m. |
| PD | Predicate disambiguation | batch_69d98bc2c0c88190be357811aa8e828d |
completed | April 10, 2026, 11:46 p.m. |
Created at: April 9, 2026, 9:15 p.m.