Triple
T2342692
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicxulub impact crater |
E45060
|
entity |
| Predicate | geologicalBoundary |
P30174
|
FINISHED |
| Object | Cretaceous–Paleogene boundary |
E6899
|
NE FINISHED |
How this triple was built (3 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: Cretaceous–Paleogene boundary | Statement: [Chicxulub impact crater, geologicalBoundary, Cretaceous–Paleogene boundary]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cretaceous–Paleogene boundary Context triple: [Chicxulub impact crater, geologicalBoundary, Cretaceous–Paleogene boundary]
-
A.
Cretaceous–Paleogene boundary
chosen
The Cretaceous–Paleogene boundary marks the geological transition 66 million years ago associated with a mass extinction event that wiped out non-avian dinosaurs and many other species, likely triggered by a large asteroid impact.
-
B.
Permian–Triassic mass extinction
The Permian–Triassic mass extinction was the most severe biodiversity crisis in Earth's history, wiping out the majority of marine and terrestrial species around 252 million years ago and marking the boundary between the Paleozoic and Mesozoic eras.
-
C.
Triassic–Jurassic extinction event
The Triassic–Jurassic extinction event was a major mass extinction around 201 million years ago that wiped out many marine and terrestrial species, paving the way for dinosaurs to become the dominant land animals in the Jurassic Period.
-
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.
Cretaceous
The Cretaceous was the final period of the Mesozoic Era, marked by high sea levels, diverse dinosaurs, and ending with the mass extinction that wiped them out about 66 million years ago.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: geologicalBoundary Context triple: [Chicxulub impact crater, geologicalBoundary, Cretaceous–Paleogene boundary]
-
A.
plateBoundaryBetween
Indicates a geological relationship where a boundary exists between two tectonic plates.
-
B.
locatedOnTectonicBoundary
Indicates that one entity is situated directly on or along the tectonic plate boundary associated with another entity.
-
C.
geologicalRelation
chosen
Indicates a spatial, temporal, or causal relationship between geological features or events, such as how rock units, structures, or formations are positioned, ordered, or interact with one another.
-
D.
plateBoundaryType
Indicates the type of tectonic interaction occurring at the boundary between two lithospheric plates (e.g., convergent, divergent, or transform).
-
E.
geologicalSystem
Indicates that one entity is a geological system (e.g., rock units, structures, or processes forming a coherent geologic framework) associated with or characterizing the other entity.
- F. None of above.
Provenance (4 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_69a88917935081909b755dbf38e81024 |
completed | March 4, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69abcade3c808190ab3803538ccbe620 |
completed | March 7, 2026, 6:51 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae9622cdb08190835222482bd22cf4 |
completed | March 9, 2026, 9:42 a.m. |
| PD | Predicate disambiguation | batch_69abc59616a8819099711834e6f1ccd6 |
completed | March 7, 2026, 6:28 a.m. |
Created at: March 4, 2026, 7:52 p.m.