Triple
T7581758
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gauss–Matuyama geomagnetic reversal |
E179503
|
entity |
| Predicate | precedes |
P97
|
FINISHED |
| Object | Olduvai normal subchron |
E501419
|
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: Olduvai normal subchron | Statement: [Gauss–Matuyama geomagnetic reversal, precedes, Olduvai normal subchron]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Olduvai normal subchron Context triple: [Gauss–Matuyama geomagnetic reversal, precedes, Olduvai normal subchron]
-
A.
Yoldia stage
The Yoldia stage is a postglacial Baltic Sea phase characterized by cold, brackish-water conditions and named after the bivalve Yoldia (Portlandia) arctica, whose fossils are typical of its sediments.
-
B.
Usus antiquior
Usus antiquior is the traditional form of the Roman Rite Mass as codified after the Council of Trent and used in the Catholic Church for centuries prior to the liturgical reforms of the 20th century.
-
C.
Dmanisi
Dmanisi is an archaeological site and town in southern Georgia renowned for yielding some of the earliest known hominin fossils outside Africa.
-
D.
Olduvai Gorge
chosen
Olduvai Gorge is a renowned paleoanthropological site in northern Tanzania where some of the earliest known human ancestors’ fossils and stone tools have been discovered.
-
E.
Cradle of Humankind
The Cradle of Humankind is a renowned paleoanthropological site near Johannesburg that has yielded some of the world’s most important hominin fossils, illuminating early human evolution.
- 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_69c69f327db881909a21ae3b156f8ded |
completed | March 27, 2026, 3:16 p.m. |
| NER | Named-entity recognition | batch_69c6f978341081909e009c410ffc5039 |
completed | March 27, 2026, 9:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8617b8934819094f596e6a037e468 |
completed | March 28, 2026, 11:17 p.m. |
Created at: March 27, 2026, 3:52 p.m.