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.