Triple
T18996825
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ziegler–Natta catalysts |
E464835
|
entity |
| Predicate | namedAfter |
P63
|
FINISHED |
| Object | Karl Ziegler |
—
|
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: Karl Ziegler | Statement: [Ziegler–Natta catalysts, namedAfter, Karl Ziegler]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Karl Ziegler Context triple: [Ziegler–Natta catalysts, namedAfter, Karl Ziegler]
-
A.
Karl Ziegler
chosen
Karl Ziegler was a German chemist renowned for his pioneering work in polymer chemistry, particularly the development of Ziegler–Natta catalysts for producing plastics.
-
B.
Alessandro Natta
Alessandro Natta was an Italian communist politician who led the Italian Communist Party during the mid-1980s, guiding it through a period of ideological and political transition.
-
C.
Kurt Alder
Kurt Alder was a German chemist and Nobel laureate best known for co-developing the Diels–Alder reaction, a fundamental method in organic synthesis.
-
D.
Giulio Natta
Giulio Natta was an Italian chemist and Nobel laureate renowned for his pioneering work in polymer chemistry, particularly the development of isotactic polypropylene.
-
E.
Hermann Staudinger
Hermann Staudinger was a German chemist and Nobel laureate renowned for founding modern polymer chemistry by demonstrating that macromolecules are long-chain molecules.
- 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_69d8dd01a56c81909694a128c66b21d7 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d6826464819080ff0e0ffa5cc25e |
completed | April 20, 2026, 7:32 a.m. |
Created at: April 10, 2026, 12:01 p.m.