Triple

T7696948
Position Surface form Disambiguated ID Type / Status
Subject Alcoa E174392 entity
Predicate notableTechnology P22 FINISHED
Object Hall–Héroult aluminum smelting process E582418 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: Hall–Héroult aluminum smelting process | Statement: [Alcoa, notableTechnology, Hall–Héroult aluminum smelting process]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hall–Héroult aluminum smelting process
Context triple: [Alcoa, notableTechnology, Hall–Héroult aluminum smelting process]
  • A. Hall–Héroult process chosen
    The Hall–Héroult process is the primary industrial method for producing aluminum by electrolytically reducing alumina dissolved in molten cryolite.
  • B. 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.
  • C. Shanks process for nitrate refining
    The Shanks process for nitrate refining is an industrial method developed in the 19th century to extract and purify sodium nitrate from natural nitrate ores, notably those found in the Chilean nitrate fields.
  • D. Rochow process
    The Rochow process is an industrial chemical method for directly synthesizing organosilicon compounds, especially methylchlorosilanes used in silicone production, by reacting methyl chloride with silicon in the presence of a copper catalyst.
  • E. Linde process
    The Linde process is an industrial gas liquefaction method that enabled large-scale production of liquid air and its components, such as oxygen and nitrogen, revolutionizing refrigeration and gas separation technologies.
  • 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_69c6995a72cc8190998e56daa6f8e453 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c702693ee8819080a483c347710b24 completed March 27, 2026, 10:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8acaee2c481909efa30125e8ca890 completed March 29, 2026, 4:38 a.m.
Created at: March 27, 2026, 4:03 p.m.