Triple

T889788
Position Surface form Disambiguated ID Type / Status
Subject Pierre-Émile Martin E19213 entity
Predicate developed P73 FINISHED
Object Siemens–Martin open-hearth furnace E2235 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: Siemens–Martin open-hearth furnace | Statement: [Pierre-Émile Martin, developed, Siemens–Martin open-hearth furnace]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Siemens–Martin open-hearth furnace
Context triple: [Pierre-Émile Martin, developed, Siemens–Martin open-hearth furnace]
  • A. Bessemer process
    The Bessemer process was a revolutionary 19th-century method for mass-producing steel by blowing air through molten pig iron to remove impurities, dramatically lowering costs and enabling large-scale industrialization.
  • B. open-hearth process chosen
    The open-hearth process was a steelmaking method that allowed precise control over composition and quality, enabling large-scale production of mild steel and eventually supplanting earlier techniques.
  • 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. AEG Turbine Factory
    The AEG Turbine Factory is an early 20th-century industrial building in Berlin celebrated as a landmark of modern architecture and industrial design.
  • E. S-50 thermal diffusion plant
    The S-50 thermal diffusion plant was a World War II facility at Oak Ridge used in the Manhattan Project to enrich uranium through thermal diffusion as part of the U.S. atomic bomb program.
  • 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_69a4939d37188190848be3d426ebc9ae completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ad0086a081908c47c285896a1f3c completed March 1, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7c72e207c819087f0f29a740a93ad completed March 4, 2026, 5:46 a.m.
Created at: March 1, 2026, 7:39 p.m.