Triple

T12157187
Position Surface form Disambiguated ID Type / Status
Subject Mereenie Sandstone E289603 entity
Predicate overlies P6130 FINISHED
Object Pacoota Sandstone
Pacoota Sandstone is a geological rock formation known from the sedimentary stratigraphy of central Australia, particularly within the Amadeus Basin.
E975465 NE FINISHED

How this triple was built (4 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: Pacoota Sandstone | Statement: [Mereenie Sandstone, overlies, Pacoota Sandstone]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pacoota Sandstone
Context triple: [Mereenie Sandstone, overlies, Pacoota Sandstone]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Coconino Sandstone
    Coconino Sandstone is a prominent Permian-age geological formation of well-sorted, cross-bedded sandstone best known from exposures in the Grand Canyon region of the southwestern United States.
  • E. Entrada Sandstone
    Entrada Sandstone is a Jurassic-age sedimentary rock formation in the U.S. Southwest, renowned for forming the dramatic natural arches and other erosional landforms seen in places like Arches National Park.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Pacoota Sandstone
Triple: [Mereenie Sandstone, overlies, Pacoota Sandstone]
Generated description
Pacoota Sandstone is a geological rock formation known from the sedimentary stratigraphy of central Australia, particularly within the Amadeus Basin.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pacoota Sandstone
Target entity description: Pacoota Sandstone is a geological rock formation known from the sedimentary stratigraphy of central Australia, particularly within the Amadeus Basin.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Coconino Sandstone
    Coconino Sandstone is a prominent Permian-age geological formation of well-sorted, cross-bedded sandstone best known from exposures in the Grand Canyon region of the southwestern United States.
  • E. Entrada Sandstone
    Entrada Sandstone is a Jurassic-age sedimentary rock formation in the U.S. Southwest, renowned for forming the dramatic natural arches and other erosional landforms seen in places like Arches National Park.
  • F. None of above. chosen

Provenance (5 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_69d6ab4c6710819097a9d228382dde43 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d915c1673c8190830cd15525d16869 completed April 10, 2026, 3:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69f61e4c19248190913451db0a084172 completed May 2, 2026, 3:54 p.m.
NEDg Description generation batch_69f61f5b107c819082094791fcf7c5f4 completed May 2, 2026, 3:59 p.m.
NED2 Entity disambiguation (via description) batch_69f62009766c8190985fafe9ba53ae7b completed May 2, 2026, 4:02 p.m.
Created at: April 8, 2026, 9:50 p.m.