Triple

T1008864
Position Surface form Disambiguated ID Type / Status
Subject Irvin Plant E21774 entity
Predicate partOf P40 FINISHED
Object U.S. Steel Mon Valley Works operations E110524 NE FINISHED

How this triple was built (2 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: U.S. Steel Mon Valley Works operations | Statement: [Irvin Plant, partOf, U.S. Steel Mon Valley Works operations]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: U.S. Steel Mon Valley Works operations
Context triple: [Irvin Plant, partOf, U.S. Steel Mon Valley Works operations]
  • A. U.S. Steel Mon Valley Works chosen
    U.S. Steel Mon Valley Works is an integrated steel production complex in Pennsylvania operated by United States Steel Corporation, encompassing multiple facilities that manufacture and finish steel products for various industrial markets.
  • B. U.S. Steel Gary Works complex
    The U.S. Steel Gary Works complex is a major integrated steel production facility in Gary, Indiana, historically one of the largest steel mills in the world and a cornerstone of American heavy industry.
  • C. 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.
  • D. Jones & Laughlin Steel Corporation
    Jones & Laughlin Steel Corporation was a major American steel manufacturer that became historically significant as the company at the center of the landmark 1937 Supreme Court case NLRB v. Jones & Laughlin Steel Corp., which upheld federal power to regulate labor relations.
  • E. Edgar Thomson Steel Works
    Edgar Thomson Steel Works is a historic integrated steel mill in Braddock, Pennsylvania, long associated with Andrew Carnegie and regarded as one of the oldest continuously operating steel plants in the United States.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69a493c53e648190ae8cb76c433fd9a7 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b7a2186c819081a495bc15f8c7fd completed March 1, 2026, 10:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac3ba9406c81909a13375fea05ee99 completed March 7, 2026, 2:52 p.m.
Created at: March 1, 2026, 7:41 p.m.