Triple
T638806
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Berkshire Hathaway |
E16684
|
entity |
| Predicate | owns |
P347
|
FINISHED |
| Object |
Precision Castparts
Precision Castparts is a major manufacturer of complex metal components and products, particularly for the aerospace and industrial gas turbine industries.
|
E79842
|
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: Precision Castparts | Statement: [Berkshire Hathaway, owns, Precision Castparts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Precision Castparts Context triple: [Berkshire Hathaway, owns, Precision Castparts]
-
A.
GKN Sankey
GKN Sankey was a British engineering and manufacturing company best known for producing military vehicles and automotive components.
-
B.
United Technologies Corporation
United Technologies Corporation was a major American multinational conglomerate known for its aerospace and building systems businesses, including Pratt & Whitney and Otis Elevator, before merging with Raytheon Company.
-
C.
Hamilton Sundstrand
Hamilton Sundstrand was a major aerospace and industrial systems manufacturer known for producing aircraft systems, space and defense products, and industrial technologies before being integrated into Collins Aerospace.
-
D.
Rockwell International
Rockwell International was a major American manufacturing conglomerate best known in aerospace for building the Space Shuttle orbiters and contributing extensively to U.S. defense and space programs.
-
E.
Steward Machine Company
Steward Machine Company was an American manufacturing firm best known for its role as the petitioner in the landmark 1937 U.S. Supreme Court case Steward Machine Co. v. Davis, which upheld key provisions of the Social Security Act.
- 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: Precision Castparts Triple: [Berkshire Hathaway, owns, Precision Castparts]
Generated description
Precision Castparts is a major manufacturer of complex metal components and products, particularly for the aerospace and industrial gas turbine industries.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Precision Castparts Target entity description: Precision Castparts is a major manufacturer of complex metal components and products, particularly for the aerospace and industrial gas turbine industries.
-
A.
GKN Sankey
GKN Sankey was a British engineering and manufacturing company best known for producing military vehicles and automotive components.
-
B.
United Technologies Corporation
United Technologies Corporation was a major American multinational conglomerate known for its aerospace and building systems businesses, including Pratt & Whitney and Otis Elevator, before merging with Raytheon Company.
-
C.
Hamilton Sundstrand
Hamilton Sundstrand was a major aerospace and industrial systems manufacturer known for producing aircraft systems, space and defense products, and industrial technologies before being integrated into Collins Aerospace.
-
D.
Rockwell International
Rockwell International was a major American manufacturing conglomerate best known in aerospace for building the Space Shuttle orbiters and contributing extensively to U.S. defense and space programs.
-
E.
Steward Machine Company
Steward Machine Company was an American manufacturing firm best known for its role as the petitioner in the landmark 1937 U.S. Supreme Court case Steward Machine Co. v. Davis, which upheld key provisions of the Social Security Act.
- 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_69a574076b30819090f086b42696bb35 |
completed | March 2, 2026, 11:27 a.m. |
| NEDg | Description generation | batch_69a5748d5a4c8190b4f8fcbbae972b88 |
completed | March 2, 2026, 11:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a574fb37348190b0979dad87e79e53 |
completed | March 2, 2026, 11:31 a.m. |
Created at: March 1, 2026, 7:35 p.m.