Triple
T12126955
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pertnjara Group |
E288832
|
entity |
| Predicate | overlies |
P6130
|
FINISHED |
| Object | Mereenie Sandstone |
E289603
|
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: Mereenie Sandstone | Statement: [Pertnjara Group, overlies, Mereenie Sandstone]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mereenie Sandstone Context triple: [Pertnjara Group, overlies, Mereenie Sandstone]
-
A.
Mereenie Sandstone
chosen
Mereenie Sandstone is a significant geological formation in central Australia known for its hydrocarbon-bearing reservoirs and extensive outcrops within the Amadeus Basin.
-
B.
Hermannsburg Sandstone
Hermannsburg Sandstone is a geological rock formation within Australia’s Amadeus Basin, notable for its extensive sandstone deposits that record ancient sedimentary environments.
-
C.
Hawkesbury Sandstone
Hawkesbury Sandstone is a prominent Triassic sedimentary rock formation in the Sydney region of Australia, known for its thick, cliff-forming sandstone beds that shape much of the local landscape and geology.
-
D.
Nugget Sandstone
Nugget Sandstone is a prominent Jurassic-age sandstone unit of the western United States, best known for its extensive eolian (wind-deposited) dune deposits and its role as a significant reservoir rock in regional geology.
-
E.
Lookout Sandstone
Lookout Sandstone is a prominent sedimentary rock formation of the southern Appalachian region, notable for shaping the dramatic cliffs and canyon walls of areas like Little River Canyon.
- 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_69d6ab4b5e4c81909950b17151eb0951 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d9157ce6b88190b16592cc48244db3 |
completed | April 10, 2026, 3:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f5f688ad2481909d11782c44b3217f |
completed | May 2, 2026, 1:05 p.m. |
Created at: April 8, 2026, 9:49 p.m.