Triple
T19121868
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mercia Mudstone Group |
E468064
|
entity |
| Predicate | previousName |
P65
|
FINISHED |
| Object | Keuper Marl |
—
|
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: Keuper Marl | Statement: [Mercia Mudstone Group, previousName, Keuper Marl]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keuper Marl Context triple: [Mercia Mudstone Group, previousName, Keuper Marl]
-
A.
Keuper
chosen
Keuper is a sequence of Upper Triassic sedimentary rocks, typically comprising marls, clays, and sandstones, widely developed in central Europe.
-
B.
Hangenberg Sandstone
Hangenberg Sandstone is a Late Devonian to Early Carboniferous sedimentary rock unit associated with the Hangenberg Event, representing shallow-marine to nearshore deposits that contrast with the contemporaneous Hangenberg black shales.
-
C.
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.
-
D.
Kimmeridge Clay Formation
The Kimmeridge Clay Formation is a Late Jurassic marine sedimentary rock unit in southern England renowned for its organic-rich shales that form a major source rock for North Sea oil and gas.
-
E.
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.
- 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_69d8dd06a26481908039e2a1bae8c597 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5e3c9dfcc819090f8424608892cb3 |
completed | April 20, 2026, 8:28 a.m. |
Created at: April 10, 2026, 12:05 p.m.