Triple
T18990169
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sherwood Sandstone Group |
E464660
|
entity |
| Predicate | hasSubunits |
P71417
|
FINISHED |
| Object | Bromsgrove Sandstone Formation |
—
|
NE NERFINISHED |
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: Bromsgrove Sandstone Formation | Statement: [Sherwood Sandstone Group, hasSubunits, Bromsgrove Sandstone Formation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bromsgrove Sandstone Formation Context triple: [Sherwood Sandstone Group, hasSubunits, Bromsgrove Sandstone Formation]
-
A.
Minchinbury Sandstone
Minchinbury Sandstone is a geological rock unit within the Sydney Basin of New South Wales, Australia, known for its fine- to medium-grained sedimentary sandstone deposits.
-
B.
Sherwood Sandstone Group
The Sherwood Sandstone Group is a major Triassic sandstone rock sequence in the UK, notable as an important aquifer and hydrocarbon reservoir across several sedimentary basins.
-
C.
Mercia Mudstone Group
The Mercia Mudstone Group is a thick sequence of predominantly red mudstones and siltstones of Triassic age widely distributed across parts of the UK, forming an important component of its subsurface geology.
-
D.
Wessex Formation
The Wessex Formation is an Early Cretaceous geological formation in southern England renowned for its rich assemblage of dinosaur fossils, including numerous ornithopods and theropods.
-
E.
Millstone Grit
Millstone Grit is a coarse-grained Carboniferous sandstone formation in northern England, notably forming the rugged moorland landscapes of the Pennines.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bromsgrove Sandstone Formation Target entity description: The Bromsgrove Sandstone Formation is a Triassic-age sedimentary rock unit in central England, notable for its red-bed sandstones that record fluvial and marginal-marine environments.
-
A.
Minchinbury Sandstone
Minchinbury Sandstone is a geological rock unit within the Sydney Basin of New South Wales, Australia, known for its fine- to medium-grained sedimentary sandstone deposits.
-
B.
Sherwood Sandstone Group
chosen
The Sherwood Sandstone Group is a major Triassic sandstone rock sequence in the UK, notable as an important aquifer and hydrocarbon reservoir across several sedimentary basins.
-
C.
Mercia Mudstone Group
The Mercia Mudstone Group is a thick sequence of predominantly red mudstones and siltstones of Triassic age widely distributed across parts of the UK, forming an important component of its subsurface geology.
-
D.
Wessex Formation
The Wessex Formation is an Early Cretaceous geological formation in southern England renowned for its rich assemblage of dinosaur fossils, including numerous ornithopods and theropods.
-
E.
Millstone Grit
Millstone Grit is a coarse-grained Carboniferous sandstone formation in northern England, notably forming the rugged moorland landscapes of the Pennines.
- F. None of above.
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_69d8dd01a56c81909694a128c66b21d7 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d6632cb08190a28f6ab74c2156d8 |
completed | April 20, 2026, 7:31 a.m. |
Created at: April 10, 2026, 12:01 p.m.