Triple

T10889254
Position Surface form Disambiguated ID Type / Status
Subject Chichibu Mountains E257131 entity
Predicate partOf P40 FINISHED
Object Okuchichibu Mountains
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.
 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: [Chichibu Mountains, partOf, Okuchichibu Mountains]

Disambiguation candidates (2 decisions)

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: [Chichibu Mountains, partOf, Okuchichibu Mountains]
  • A. 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.
  • B. 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.
  • C. Azuma Mountains
    The Azuma Mountains are a volcanic mountain range in northeastern Japan known for their scenic landscapes, hot springs, and popular hiking routes.
  • D. Ikoma Mountains
    The Ikoma Mountains are a mountain range on the border of Osaka and Nara prefectures in Japan, known for their scenic views, hiking trails, and historical temples.
  • E. Tanzawa Mountains
    The Tanzawa Mountains are a rugged mountain range in Kanagawa Prefecture, Japan, known for their forested peaks, hiking trails, and proximity to the Tokyo metropolitan area.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Okuchichibu Mountains
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Azuma Mountains
    The Azuma Mountains are a volcanic mountain range in northeastern Japan known for their scenic landscapes, hot springs, and popular hiking routes.
  • D. Ikoma Mountains
    The Ikoma Mountains are a mountain range on the border of Osaka and Nara prefectures in Japan, known for their scenic views, hiking trails, and historical temples.
  • E. Tanzawa Mountains
    The Tanzawa Mountains are a rugged mountain range in Kanagawa Prefecture, Japan, known for their forested peaks, hiking trails, and proximity to the Tokyo metropolitan area.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Okuchichibu Mountains
Triple: [Chichibu Mountains, partOf, Okuchichibu Mountains]
Generated description
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.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6aa848804819081b2713ca0bedf06 elicitation completed
NER batch_69d75202b7248190adeb5780fc5b9199 ner completed
NED1 batch_69e2169ea02c8190addf125ec5adafe8 ned_source_triple completed
NED2 batch_69e21f09be508190a7c497a7680cb59e ned_description completed
NEDg batch_69e21d860d288190855ffbe60df50df9 nedg completed
Created at: April 8, 2026, 9:21 p.m.