Triple

T844055
Position Surface form Disambiguated ID Type / Status
Subject Homestead, Pennsylvania E18238 entity
Predicate knownFor P22 FINISHED
Object 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.
E101641 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: Homestead Steel Works | Statement: [Homestead, Pennsylvania, knownFor, Homestead Steel Works]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Homestead Steel Works
Context triple: [Homestead, Pennsylvania, knownFor, Homestead Steel Works]
  • A. Tredegar Iron Works
    Tredegar Iron Works is a historic 19th-century ironworks complex in Richmond, Virginia, best known as a major supplier of iron and munitions to the Confederate States during the American Civil War.
  • B. Birmingham Steel and Iron Company
    Birmingham Steel and Iron Company was an early 20th-century industrial firm in Birmingham, Alabama, known for its role in the city’s iron and steel production and for casting the iconic Vulcan statue.
  • C. Lorain Steel Company
    Lorain Steel Company was an American steel manufacturer known for operating major steelworks in Lorain, Ohio, that contributed to the region’s industrial growth.
  • D. 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.
  • E. Illinois Steel Company
    Illinois Steel Company was a major late-19th-century American steel producer based in the Chicago area that later became part of the U.S. Steel conglomerate.
  • 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: Homestead Steel Works
Triple: [Homestead, Pennsylvania, knownFor, Homestead Steel Works]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Homestead Steel Works
Target entity description: 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.
  • A. Tredegar Iron Works
    Tredegar Iron Works is a historic 19th-century ironworks complex in Richmond, Virginia, best known as a major supplier of iron and munitions to the Confederate States during the American Civil War.
  • B. Birmingham Steel and Iron Company
    Birmingham Steel and Iron Company was an early 20th-century industrial firm in Birmingham, Alabama, known for its role in the city’s iron and steel production and for casting the iconic Vulcan statue.
  • C. Lorain Steel Company
    Lorain Steel Company was an American steel manufacturer known for operating major steelworks in Lorain, Ohio, that contributed to the region’s industrial growth.
  • D. 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.
  • E. Illinois Steel Company
    Illinois Steel Company was a major late-19th-century American steel producer based in the Chicago area that later became part of the U.S. Steel conglomerate.
  • 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_69a4938b04208190b82e1df6b572c548 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac07fedc8190ab05595f25c1792f completed March 1, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7a3bb2fa08190b1e8f26ceb04b08c completed March 4, 2026, 3:15 a.m.
NEDg Description generation batch_69a7a5929de48190b01f45fbf19c72dc completed March 4, 2026, 3:22 a.m.
NED2 Entity disambiguation (via description) batch_69a7a63205308190b55b76116c0d5e7c completed March 4, 2026, 3:25 a.m.
Created at: March 1, 2026, 7:38 p.m.