Triple

T6568938
Position Surface form Disambiguated ID Type / Status
Subject Fforest Fawr E155383 entity
Predicate geology P450 FINISHED
Object Carboniferous Limestone E159012 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: Carboniferous Limestone | Statement: [Fforest Fawr, geology, Carboniferous Limestone]

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: Carboniferous Limestone
Context triple: [Fforest Fawr, geology, Carboniferous Limestone]
  • A. Carboniferous Limestone chosen
    Carboniferous Limestone is a thick sequence of fossil-rich sedimentary rocks formed in warm, shallow tropical seas during the Carboniferous period, widely exposed in regions such as the White Peak of the Peak District.
  • B. Redwall Limestone
    Redwall Limestone is a prominent Mississippian-age marine limestone formation best known for forming massive, sheer cliffs in the Grand Canyon region of the southwestern United States.
  • C. Bedford limestone
    Bedford limestone is a high-quality, fine-grained building stone from southern Indiana widely used in prominent architectural landmarks across the United States.
  • D. Kimmeridgian limestone
    Kimmeridgian limestone is a fossil-rich Jurassic-era calcareous rock that forms the distinctive, mineral-driven terroir underlying many classic Chablis vineyards.
  • E. Tura limestone
    Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
  • 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_69c688151254819080387f87deab8fa7 elicitation completed
NER batch_69c6ae56116c81909ab2fc0877363406 ner completed
NED1 batch_69c6cb90ffd48190996a64d79f516e2c ned_source_triple completed
Created at: March 27, 2026, 1:53 p.m.