Triple
T5666688
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vredefort |
E124873
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Vredefort impact structure region |
E23910
|
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: Vredefort impact structure region | Statement: [Vredefort, partOf, Vredefort impact structure region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Vredefort impact structure region Context triple: [Vredefort, partOf, Vredefort impact structure region]
-
A.
Vredefort Dome
chosen
Vredefort Dome is the world’s largest and oldest known impact crater, located in South Africa and formed by a massive meteorite strike over two billion years ago.
-
B.
Haughton impact crater
Haughton impact crater is a well-preserved meteorite impact structure on Canada’s Devon Island that serves as a key Mars-analog site for scientific research and astronaut training.
-
C.
Sudbury Basin
The Sudbury Basin is a massive ancient impact crater in Ontario, Canada, known as one of the world’s largest and oldest meteorite impact structures and a major mining region rich in nickel and other metals.
-
D.
Chicxulub impact crater
The Chicxulub impact crater is a massive buried structure in Mexico’s Yucatán Peninsula formed by an asteroid impact widely linked to the mass extinction event that wiped out the non-avian dinosaurs.
-
E.
Kirkwood crater
Kirkwood crater is a lunar impact crater named in honor of American astronomer Daniel Kirkwood, known for his work on asteroid belt gaps.
- 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_69c00828906881908966f270b8f130cf |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02345004081908858867be48d3885 |
completed | March 22, 2026, 5:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c05a2b38c88190bdd0e172644df081 |
completed | March 22, 2026, 9:07 p.m. |
Created at: March 22, 2026, 3:43 p.m.