Triple
T22598535
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Table Mountain Sandstone |
E574749
|
entity |
| Predicate | underlies |
P4501
|
FINISHED |
| Object | Bokkeveld Group |
—
|
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: Bokkeveld Group | Statement: [Table Mountain Sandstone, underlies, Bokkeveld Group]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bokkeveld Group Context triple: [Table Mountain Sandstone, underlies, Bokkeveld Group]
-
A.
Bokkeveld Group
chosen
The Bokkeveld Group is a geological rock sequence in South Africa known for its fossil-rich Devonian sedimentary deposits within the Cape Supergroup.
-
B.
Zechstein Group
The Zechstein Group is a Late Permian sequence of evaporite and related sedimentary rocks widely developed across northwestern and central Europe, notable for its thick halite and anhydrite deposits and importance as a hydrocarbon reservoir and seal.
-
C.
Ventersdorp Supergroup
The Ventersdorp Supergroup is a thick sequence of Archean volcanic and sedimentary rocks in South Africa that records major early crustal and volcanic events on the Kaapvaal Craton.
-
D.
Lias Group
The Lias Group is a sequence of Lower Jurassic sedimentary rock formations widely exposed in parts of western Europe, particularly known for its marine fossils and importance in stratigraphy and petroleum geology.
-
E.
Transvaal Supergroup
The Transvaal Supergroup is a thick, ancient sequence of sedimentary and volcanic rocks in South Africa that records early Earth environments, including some of the world’s oldest well-preserved carbonate and banded iron formations.
- 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_69e245bc11308190b69d794d5d1e0bb6 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1626aa0808190a43e65f6aaabfeb4 |
completed | April 29, 2026, 1:44 a.m. |
Created at: April 17, 2026, 2:50 p.m.