Triple

T14972401
Position Surface form Disambiguated ID Type / Status
Subject Tama River E373354 entity
Predicate sourceLocation P40 FINISHED
Object Okuchichibu Mountains E893264 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: Okuchichibu Mountains | Statement: [Tama River, sourceLocation, Okuchichibu Mountains]

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: Okuchichibu Mountains
Context triple: [Tama River, sourceLocation, Okuchichibu Mountains]
  • A. Okuchichibu Mountains chosen
    The Okuchichibu Mountains are a rugged, forested mountain range spanning parts of central Honshu, Japan, known for their deep valleys, hiking trails, and role as a major watershed area.
  • B. Kosado Mountains
    The Kosado Mountains are a mountain range located on Sado Island in Niigata Prefecture, Japan, known for their rugged terrain and natural scenery.
  • C. Ibuki Mountains
    The Ibuki Mountains are a prominent mountain range in central Japan, known for Mount Ibuki, rich biodiversity, and scenic views over Lake Biwa and the surrounding region.
  • D. Akaishi Mountains
    The Akaishi Mountains, also known as part of Japan’s Southern Alps, are a prominent, rugged mountain range in central Honshu renowned for their high peaks and alpine landscapes.
  • E. Azuma Mountains
    The Azuma Mountains are a volcanic mountain range in northeastern Japan known for their scenic landscapes, hot springs, and popular hiking routes.
  • 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_69d85ccbbcd48190acb56e7cf104d8ad elicitation completed
NER batch_69ded6e767608190940eb6f16ea97451 ner completed
NED1 batch_69fe9dc4715c81908b4745996d660f7c ned_source_triple completed
Created at: April 10, 2026, 2:50 a.m.