Triple
T8859279
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Samuel Prescott Bush |
E210843
|
entity |
| Predicate | employer |
P7
|
FINISHED |
| Object |
Buckeye Steel Castings Company
Buckeye Steel Castings Company was a prominent American manufacturer known for producing steel castings, particularly for the railroad industry, during the late 19th and early 20th centuries.
|
E763598
|
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: Buckeye Steel Castings Company | Statement: [Samuel Prescott Bush, employer, Buckeye Steel Castings Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Buckeye Steel Castings Company Context triple: [Samuel Prescott Bush, employer, Buckeye Steel Castings Company]
-
A.
Cleveland Rolling Mill Company
The Cleveland Rolling Mill Company was a major 19th-century iron and steel manufacturer based in Cleveland, Ohio, that played a significant role in the early American steel industry and labor history.
-
B.
Homestead Steel Works
Homestead Steel Works was a major 19th- and early 20th-century steel mill near Pittsburgh, Pennsylvania, best known as a centerpiece of Andrew Carnegie’s steel empire and the site of the 1892 Homestead Strike, a pivotal event in U.S. labor history.
-
C.
Republic Iron Company
Republic Iron Company was a historic iron mining and processing firm whose operations in Michigan’s Upper Peninsula led to the naming of the community of Republic.
-
D.
American Car and Foundry
American Car and Foundry was a major American manufacturer of railroad rolling stock and related equipment, known for producing a wide range of passenger and freight cars throughout the 20th century.
-
E.
Union Steel
Union Steel was an American steel company historically associated with industrialist and financier Andrew W. Mellon.
- 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: Buckeye Steel Castings Company Triple: [Samuel Prescott Bush, employer, Buckeye Steel Castings Company]
Generated description
Buckeye Steel Castings Company was a prominent American manufacturer known for producing steel castings, particularly for the railroad industry, during the late 19th and early 20th centuries.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Buckeye Steel Castings Company Target entity description: Buckeye Steel Castings Company was a prominent American manufacturer known for producing steel castings, particularly for the railroad industry, during the late 19th and early 20th centuries.
-
A.
Cleveland Rolling Mill Company
The Cleveland Rolling Mill Company was a major 19th-century iron and steel manufacturer based in Cleveland, Ohio, that played a significant role in the early American steel industry and labor history.
-
B.
Homestead Steel Works
Homestead Steel Works was a major 19th- and early 20th-century steel mill near Pittsburgh, Pennsylvania, best known as a centerpiece of Andrew Carnegie’s steel empire and the site of the 1892 Homestead Strike, a pivotal event in U.S. labor history.
-
C.
Republic Iron Company
Republic Iron Company was a historic iron mining and processing firm whose operations in Michigan’s Upper Peninsula led to the naming of the community of Republic.
-
D.
American Car and Foundry
American Car and Foundry was a major American manufacturer of railroad rolling stock and related equipment, known for producing a wide range of passenger and freight cars throughout the 20th century.
-
E.
Union Steel
Union Steel was an American steel company historically associated with industrialist and financier Andrew W. Mellon.
- 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_69ca838bbddc8190ab546d737e5d350f |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc60e536648190ba8da1375478c24f |
completed | April 1, 2026, 12:03 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfa0b1b86481909ec0b78de043d8f8 |
completed | April 3, 2026, 11:12 a.m. |
| NEDg | Description generation | batch_69cfa2a53044819099aa7bb401cd4ba6 |
completed | April 3, 2026, 11:21 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfa3a03b7c819085fa31d853c79392 |
completed | April 3, 2026, 11:25 a.m. |
Created at: March 30, 2026, 6:50 p.m.