Triple
T20395252
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Norsk Hydro |
E500185
|
entity |
| Predicate | developedTechnology |
P5334
|
FINISHED |
| Object | Birkeland–Eyde process |
—
|
NE NERFINISHED |
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: Birkeland–Eyde process | Statement: [Norsk Hydro, developedTechnology, Birkeland–Eyde process]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Birkeland–Eyde process Context triple: [Norsk Hydro, developedTechnology, Birkeland–Eyde process]
-
A.
Birkeland–Eyde process
chosen
The Birkeland–Eyde process is an early industrial method for fixing atmospheric nitrogen using electric arcs to produce nitric acid, pivotal in the development of large-scale fertilizer production.
-
B.
Hall–Héroult process
The Hall–Héroult process is the primary industrial method for producing aluminum by electrolytically reducing alumina dissolved in molten cryolite.
-
C.
Haber–Bosch process
The Haber–Bosch process is an industrial chemical method for synthesizing ammonia from nitrogen and hydrogen, enabling large-scale fertilizer production and revolutionizing global agriculture.
-
D.
Ostwald process
The Ostwald process is an industrial chemical method for producing nitric acid by catalytically oxidizing ammonia, fundamental to large-scale fertilizer and explosives manufacture.
-
E.
Bayer process
The Bayer process is the principal industrial method for refining bauxite ore into alumina (aluminum oxide), a key intermediate in aluminum production.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b4a71ebc8190b153a36c738730f4 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e67912d7948190ac2fda8ce95e5c70 |
completed | April 20, 2026, 7:05 p.m. |
Created at: April 16, 2026, 11:28 a.m.