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.