Triple
T18990186
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northwich salt field |
E464661
|
entity |
| Predicate | overlies |
P6130
|
FINISHED |
| Object | Mercia Mudstone 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: Mercia Mudstone Group | Statement: [Northwich salt field, overlies, Mercia Mudstone Group]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mercia Mudstone Group Context triple: [Northwich salt field, overlies, Mercia Mudstone Group]
-
A.
Mercia Mudstone Group
chosen
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.
-
B.
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.
-
C.
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.
-
D.
Pennine Coal Measures Group
The Pennine Coal Measures Group is a major Carboniferous rock sequence in northern England, notable for its extensive coal-bearing strata that underpinned the region’s historic coal mining industry.
-
E.
Purbeck Group
The Purbeck Group is a geological rock formation in southern England dating from the latest Jurassic to early Cretaceous, known for its limestones, shales, and fossil-rich deposits.
- 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_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.