Triple

T6221463
Position Surface form Disambiguated ID Type / Status
Subject Churchill Falls Generating Station E139123 entity
Predicate undergroundCavernHeight P43725 FINISHED
Object about 49 metres LITERAL FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's LITERAL 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: about 49 metres | Statement: [Churchill Falls Generating Station, undergroundCavernHeight, about 49 metres]

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.

PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: undergroundCavernHeight
Context triple: [Churchill Falls Generating Station, undergroundCavernHeight, about 49 metres]
  • A. hasUndergroundDepth chosen
    Indicates that one entity has a specified vertical extent or depth located below the ground surface relative to another reference or context.
  • B. caveType
    Indicates the specific classification or kind of cave associated with an entity.
  • C. hasCaves
    Indicates that one entity possesses, contains, or is characterized by the presence of caves.
  • D. caveNumber
    Indicates a relationship where an entity is assigned or associated with a specific cave identifier or number.
  • E. subterranean
    Indicates that one entity is located beneath the surface of the ground or under another structure or area.
  • F. None of above.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69c008aecb0c81909984b48f733ce8ae elicitation completed
NER batch_69c062bcc2348190806ed8c98bdfbf3e ner completed
PD batch_69c055ffdf54819086d987d646e44ff5 pd completed
Created at: March 22, 2026, 4:22 p.m.