Triple
T18990170
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sherwood Sandstone Group |
E464660
|
entity |
| Predicate | hasSubunits |
P71417
|
FINISHED |
| Object | Otter 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: Otter Sandstone Formation | Statement: [Sherwood Sandstone Group, hasSubunits, Otter Sandstone Formation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Otter Sandstone Formation Context triple: [Sherwood Sandstone Group, hasSubunits, Otter Sandstone Formation]
-
A.
Bunter Sandstone Formation
The Bunter Sandstone Formation is a Triassic-age sedimentary rock unit in northwestern Europe, characterized by its red, fine- to medium-grained sandstones deposited in fluvial and aeolian environments.
-
B.
Wingate Sandstone
Wingate Sandstone is a prominent Late Triassic sandstone formation of the Colorado Plateau, known for forming towering vertical cliffs and dramatic canyon walls in places like Capitol Reef National Park.
-
C.
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.
-
D.
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.
-
E.
Salem Limestone formation
The Salem Limestone formation is a thick, fossil-rich Mississippian-age limestone unit in the U.S. Midwest, widely quarried as a high-quality building stone used in many prominent American structures.
- 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: Otter Sandstone Formation Target entity description: The Otter Sandstone Formation is a Triassic-age sedimentary rock unit in southwest England, notable for its red sandstones deposited in ancient river and desert environments and its inclusion within the broader Sherwood Sandstone Group.
-
A.
Bunter Sandstone Formation
The Bunter Sandstone Formation is a Triassic-age sedimentary rock unit in northwestern Europe, characterized by its red, fine- to medium-grained sandstones deposited in fluvial and aeolian environments.
-
B.
Wingate Sandstone
Wingate Sandstone is a prominent Late Triassic sandstone formation of the Colorado Plateau, known for forming towering vertical cliffs and dramatic canyon walls in places like Capitol Reef National Park.
-
C.
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.
-
D.
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.
-
E.
Salem Limestone formation
The Salem Limestone formation is a thick, fossil-rich Mississippian-age limestone unit in the U.S. Midwest, widely quarried as a high-quality building stone used in many prominent American structures.
- 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.