Triple

T802034
Position Surface form Disambiguated ID Type / Status
Subject Columbia Plateau E17148 entity
Predicate underlainBy P4501 FINISHED
Object Columbia River Basalt Group
The Columbia River Basalt Group is a vast sequence of Miocene-age flood basalts in the Pacific Northwest that forms one of the largest continental basalt provinces on Earth.
E17148 NE FINISHED

How this triple was built (5 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: Columbia River Basalt Group | Statement: [Columbia Plateau, underlainBy, Columbia River Basalt Group]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Columbia River Basalt Group
Context triple: [Columbia Plateau, underlainBy, Columbia River Basalt Group]
  • A. Channeled Scablands
    The Channeled Scablands are a rugged, eroded landscape in eastern Washington carved by cataclysmic Ice Age floods, featuring deep coulees, dry falls, and scoured basalt terrain.
  • B. Columbia Plateau
    The Columbia Plateau is a vast volcanic and sedimentary region in the Pacific Northwest known for its basalt flows, deep river canyons, and extensive agricultural lands shaped by the Columbia River and its tributaries.
  • C. Long Valley Caldera
    Long Valley Caldera is a large volcanic depression in eastern California known for its geothermal activity, seismic unrest, and proximity to the Sierra Nevada and Mammoth Lakes.
  • D. Southwest Rift Zone
    The Southwest Rift Zone is a major volcanic fissure system on Mauna Loa’s southwest flank that channels frequent eruptions and lava flows down toward the island’s coastal regions.
  • E. Palouse region
    The Palouse region is a fertile, rolling agricultural area in the northwestern United States, renowned for its distinctive loess hills and extensive wheat and legume farming.
  • 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: Columbia River Basalt Group
Triple: [Columbia Plateau, underlainBy, Columbia River Basalt Group]
Generated description
The Columbia River Basalt Group is a vast sequence of Miocene-age flood basalts in the Pacific Northwest that forms one of the largest continental basalt provinces on Earth.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Columbia River Basalt Group
Target entity description: The Columbia River Basalt Group is a vast sequence of Miocene-age flood basalts in the Pacific Northwest that forms one of the largest continental basalt provinces on Earth.
  • A. Channeled Scablands
    The Channeled Scablands are a rugged, eroded landscape in eastern Washington carved by cataclysmic Ice Age floods, featuring deep coulees, dry falls, and scoured basalt terrain.
  • B. Columbia Plateau chosen
    The Columbia Plateau is a vast volcanic and sedimentary region in the Pacific Northwest known for its basalt flows, deep river canyons, and extensive agricultural lands shaped by the Columbia River and its tributaries.
  • C. Long Valley Caldera
    Long Valley Caldera is a large volcanic depression in eastern California known for its geothermal activity, seismic unrest, and proximity to the Sierra Nevada and Mammoth Lakes.
  • D. Southwest Rift Zone
    The Southwest Rift Zone is a major volcanic fissure system on Mauna Loa’s southwest flank that channels frequent eruptions and lava flows down toward the island’s coastal regions.
  • E. Palouse region
    The Palouse region is a fertile, rolling agricultural area in the northwestern United States, renowned for its distinctive loess hills and extensive wheat and legume farming.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: underlainBy
Context triple: [Columbia Plateau, underlainBy, Columbia River Basalt Group]
  • A. underlies chosen
    Indicates that one entity serves as a fundamental basis, support, or underlying cause for another entity, condition, or phenomenon.
  • B. underpins
    Indicates that one entity serves as the fundamental basis, support, or justification for another.
  • C. underAuspicesOf
    Indicates that an action, event, or entity operates under the sponsorship, authority, or guidance of another party.
  • D. overlies
    Indicates that one entity is positioned directly above and covering or resting on another entity, often with partial or complete contact.
  • E. locatedUnder
    Indicates that one entity is positioned directly or generally beneath another entity in space.
  • F. None of above.

Provenance (6 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_69a49378b9c48190adbf5f62e5b7aca1 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4ace495348190aec66f35ea90bc89 completed March 1, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7928af9d0819095b28e738a0f60dd completed March 4, 2026, 2:01 a.m.
NEDg Description generation batch_69a793c427f0819099a5f1efbd692741 completed March 4, 2026, 2:07 a.m.
NED2 Entity disambiguation (via description) batch_69a794303f1481908d854b1c120d0d9c completed March 4, 2026, 2:08 a.m.
PD Predicate disambiguation batch_69a4aa70973c8190adbf08302d1103a9 completed March 1, 2026, 9:06 p.m.
Created at: March 1, 2026, 7:38 p.m.