Triple

T5571118
Position Surface form Disambiguated ID Type / Status
Subject Yoldiahavet E146201 entity
Predicate formedAfter P2100 FINISHED
Object Weichselian glaciation E179498 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: Weichselian glaciation | Statement: [Yoldiahavet, formedAfter, Weichselian glaciation]

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: Weichselian glaciation
Context triple: [Yoldiahavet, formedAfter, Weichselian glaciation]
  • A. Saalian glaciation
    The Saalian glaciation was a major Middle Pleistocene ice age in northern Europe, during which extensive ice sheets covered large parts of the continent.
  • B. Gaskiers glaciation
    Gaskiers glaciation was a brief but intense Neoproterozoic ice age, occurring around 580 million years ago, that is associated with widespread glacial deposits and may have influenced early animal evolution.
  • C. Würm glaciation
    The Würm glaciation was the last major glacial period of the Pleistocene in the Alps, marked by extensive ice coverage and shaping much of the region’s modern landscape.
  • D. Last Glacial Maximum chosen
    The Last Glacial Maximum was the most recent period in Earth’s history when ice sheets reached their greatest extent, dramatically lowering sea levels and reshaping global climates and ecosystems.
  • E. Huronian glaciation
    The Huronian glaciation was one of Earth's earliest and longest ice ages, occurring over 2.4 billion years ago and likely linked to the Great Oxidation Event and major climatic shifts.
  • 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_69c008ffed108190a084602227af6157 elicitation completed
NER batch_69c020502a288190af37f9ebb88fccae ner completed
NED1 batch_69c04d1c6c008190978682491cca1e84 ned_source_triple completed
Created at: March 22, 2026, 3:37 p.m.