Triple

T18278490
Position Surface form Disambiguated ID Type / Status
Subject Kaiser Steel E437801 entity
Predicate successor P78 FINISHED
Object California Steel Industries (operator of former Fontana mill facilities)
California Steel Industries is a major steel processing and finishing company that took over and modernized the former Kaiser Steel mill facilities in Fontana, California.
 E1315275 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: California Steel Industries (operator of former Fontana mill facilities) | Statement: [Kaiser Steel, successor, California Steel Industries (operator of former Fontana mill facilities)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: California Steel Industries (operator of former Fontana mill facilities)
Context triple: [Kaiser Steel, successor, California Steel Industries (operator of former Fontana mill facilities)]
  • A. Federal Steel Company
    Federal Steel Company was a major late-19th-century American steel producer that became one of the principal constituents of the newly formed United States Steel Corporation.
  • B. Kaiser Steel
    Kaiser Steel was a major American steel-producing company that played a significant role in U.S. industrial and wartime production in the mid-20th century.
  • C. Republic Steel
    Republic Steel was a major American steel manufacturer that played a significant role in the nation’s industrial growth during the 20th century.
  • D. Pueblo steel mills
    Pueblo steel mills are a historic industrial complex in Pueblo, Colorado, that formed the backbone of the city’s steel production and economic development.
  • E. National Steel Company
    National Steel Company was a major early American steel producer that became part of the conglomerate later known as U.S. Steel.
  • 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: California Steel Industries (operator of former Fontana mill facilities)
Triple: [Kaiser Steel, successor, California Steel Industries (operator of former Fontana mill facilities)]
Generated description
California Steel Industries is a major steel processing and finishing company that took over and modernized the former Kaiser Steel mill facilities in Fontana, California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: California Steel Industries (operator of former Fontana mill facilities)
Target entity description: California Steel Industries is a major steel processing and finishing company that took over and modernized the former Kaiser Steel mill facilities in Fontana, California.
  • A. Federal Steel Company
    Federal Steel Company was a major late-19th-century American steel producer that became one of the principal constituents of the newly formed United States Steel Corporation.
  • B. Kaiser Steel
    Kaiser Steel was a major American steel-producing company that played a significant role in U.S. industrial and wartime production in the mid-20th century.
  • C. Republic Steel
    Republic Steel was a major American steel manufacturer that played a significant role in the nation’s industrial growth during the 20th century.
  • D. Pueblo steel mills
    Pueblo steel mills are a historic industrial complex in Pueblo, Colorado, that formed the backbone of the city’s steel production and economic development.
  • E. National Steel Company
    National Steel Company was a major early American steel producer that became part of the conglomerate later known as U.S. Steel.
  • 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_69d8b914530c8190b4474d862a2b2a1b completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e50053cc808190b46a3ec9d96936fe completed April 19, 2026, 4:18 p.m.
NED1 Entity disambiguation (via context triple) batch_6a03b3ffe1508190948d41bed9853a3e completed May 12, 2026, 11:13 p.m.
NEDg Description generation batch_6a03b4bb6ae48190a68c2a3314f0d3ba completed May 12, 2026, 11:16 p.m.
NED2 Entity disambiguation (via description) batch_6a03b56958a0819088613a9726c71819 completed May 12, 2026, 11:19 p.m.
Created at: April 10, 2026, 10:34 a.m.