Triple

T11766038
Position Surface form Disambiguated ID Type / Status
Subject Wellington Formation E279783 entity
Predicate underlies P4501 FINISHED
Object Harper Sandstone
Harper Sandstone is a geologic rock formation known for its sandstone layers that record ancient depositional environments in the regional stratigraphic sequence.
 E945418 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: Harper Sandstone | Statement: [Wellington Formation, underlies, Harper Sandstone]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harper Sandstone
Context triple: [Wellington Formation, underlies, Harper Sandstone]
  • A. Bunter Sandstone
    Bunter Sandstone is a Lower Triassic sedimentary rock formation in central Europe, characterized by its colorful, layered sandstones that form prominent landscapes and are important for regional geology and groundwater reservoirs.
  • B. New Brunswick sandstone
    New Brunswick sandstone is a durable, reddish-brown building stone historically quarried in New Jersey and widely used in 19th-century American architecture and monuments.
  • C. Wallace sandstone
    Wallace sandstone is a high-quality building stone from Wallace, Nova Scotia, historically prized for its durability and distinctive appearance in construction.
  • D. Hermannsburg Sandstone
    Hermannsburg Sandstone is a geological rock formation within Australia’s Amadeus Basin, notable for its extensive sandstone deposits that record ancient sedimentary environments.
  • E. 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.
  • 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: Harper Sandstone
Triple: [Wellington Formation, underlies, Harper Sandstone]
Generated description
Harper Sandstone is a geologic rock formation known for its sandstone layers that record ancient depositional environments in the regional stratigraphic sequence.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Harper Sandstone
Target entity description: Harper Sandstone is a geologic rock formation known for its sandstone layers that record ancient depositional environments in the regional stratigraphic sequence.
  • A. Bunter Sandstone
    Bunter Sandstone is a Lower Triassic sedimentary rock formation in central Europe, characterized by its colorful, layered sandstones that form prominent landscapes and are important for regional geology and groundwater reservoirs.
  • B. New Brunswick sandstone
    New Brunswick sandstone is a durable, reddish-brown building stone historically quarried in New Jersey and widely used in 19th-century American architecture and monuments.
  • C. Wallace sandstone
    Wallace sandstone is a high-quality building stone from Wallace, Nova Scotia, historically prized for its durability and distinctive appearance in construction.
  • D. Hermannsburg Sandstone
    Hermannsburg Sandstone is a geological rock formation within Australia’s Amadeus Basin, notable for its extensive sandstone deposits that record ancient sedimentary environments.
  • E. 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.
  • 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_69d6ab01d2688190ad8ed6bda487eaa5 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a525948081908af62cc5d4c7c482 completed April 10, 2026, 7:22 a.m.
NED1 Entity disambiguation (via context triple) batch_69f09053a9b08190983e15f2da3d3889 completed April 28, 2026, 10:47 a.m.
NEDg Description generation batch_69f0bd36673881908530b68e496c3d2e completed April 28, 2026, 1:59 p.m.
NED2 Entity disambiguation (via description) batch_69f0eec1f5d081908624fe2a93995fe5 completed April 28, 2026, 5:30 p.m.
Created at: April 8, 2026, 9:41 p.m.