Triple

T6741321
Position Surface form Disambiguated ID Type / Status
Subject Grampian Group E154087 entity
Predicate geologicalPeriod P1327 FINISHED
Object Neoproterozoic E45475 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Neoproterozoic | Statement: [Grampian Group, geologicalPeriod, Neoproterozoic]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Neoproterozoic
Context triple: [Grampian Group, geologicalPeriod, Neoproterozoic]
  • A. Neoproterozoic Era chosen
    The Neoproterozoic Era was the final era of the Proterozoic Eon, marked by global “Snowball Earth” glaciations and the emergence of early multicellular life leading up to the Cambrian explosion.
  • B. Proterozoic Eon
    The Proterozoic Eon is a major division of Precambrian time, spanning from about 2.5 billion to 541 million years ago, marked by the buildup of atmospheric oxygen, the emergence of complex single-celled and early multicellular life, and the assembly of large continental landmasses.
  • C. Mesoproterozoic Era
    The Mesoproterozoic Era was a middle division of Earth's Proterozoic Eon characterized by the stabilization of continental cratons, widespread sedimentary basin development, and significant evolutionary advances in eukaryotic life.
  • D. Paleoproterozoic Era
    The Paleoproterozoic Era was an early division of Earth's history marked by the stabilization of continental cratons, widespread banded iron formations, and the Great Oxidation Event that significantly increased atmospheric oxygen.
  • E. Ediacaran Period
    The Ediacaran Period was a late Precambrian geological interval, roughly 635–541 million years ago, marked by the emergence of some of the earliest large, complex multicellular life forms.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69c6880d84d8819095d19de2295f26ac elicitation completed
NER batch_69c6d18971e081908372cd25d52a11bd ner completed
NED1 batch_69c70b0fb79c8190ae9871b7b2d9d733 ned_source_triple completed
Created at: March 27, 2026, 2:10 p.m.