Triple

T28061540
Position Surface form Disambiguated ID Type / Status
Subject Lava Creek Tuff eruption E709121 entity
Predicate tephraCorrelation P53969 FINISHED
Object marker bed in Pleistocene stratigraphy of North America LITERAL FINISHED

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: marker bed in Pleistocene stratigraphy of North America | Statement: [Lava Creek Tuff eruption, tephraCorrelation, marker bed in Pleistocene stratigraphy of North America]
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: tephraCorrelation
Context triple: [Lava Creek Tuff eruption, tephraCorrelation, marker bed in Pleistocene stratigraphy of North America]
  • A. tephraVolume
    Indicates the amount of volcanic tephra produced or present, typically expressed as a measurable volume.
  • B. tephraName chosen
    Indicates that one entity is the designated name or label assigned to a specific tephra (volcanic ash or pyroclastic) unit.
  • C. tephraFallCoverage
    Indicates the spatial extent or area over which volcanic tephra (ash and debris) has been deposited or is expected to fall.
  • D. eruptionEvidence
    Indicates that there is observable or documented evidence supporting the occurrence of a volcanic eruption.
  • E. associatedVolcano
    Indicates that there is a specific volcano linked or connected to the referenced entity, such as by location, impact, or relevance.
  • F. None of above.

Provenance (3 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_69ef9b6eb6d88190a3fea236eb0f7bed completed April 27, 2026, 5:22 p.m.
NER Named-entity recognition batch_69f640174f388190b2c018b39d8aeeac completed May 2, 2026, 6:19 p.m.
PD Predicate disambiguation batch_69f637120c008190b2b5adf46f022e48 completed May 2, 2026, 5:40 p.m.
Created at: April 27, 2026, 8:40 p.m.