Triple

T11696187
Position Surface form Disambiguated ID Type / Status
Subject Shinetsu Main Line E277999 entity
Predicate formerRackSection P101308 FINISHED
Object Usui Pass section between Yokokawa and Karuizawa
The Usui Pass section between Yokokawa and Karuizawa is a steep, historically significant mountain railway stretch in Japan that once required special engineering to handle its challenging gradients.
E941153 NE FINISHED

How this triple was built (5 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Usui Pass section between Yokokawa and Karuizawa | Statement: [Shinetsu Main Line, formerRackSection, Usui Pass section between Yokokawa and Karuizawa]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Usui Pass section between Yokokawa and Karuizawa
Context triple: [Shinetsu Main Line, formerRackSection, Usui Pass section between Yokokawa and Karuizawa]
  • A. Inume Pass in Kai Province
    Inume Pass in Kai Province is a celebrated woodblock print by Katsushika Hokusai depicting travelers crossing a mountain pass with Mount Fuji in the distance, part of his iconic landscape series.
  • B. Shiretoko Pass
    Shiretoko Pass is a scenic mountain pass on Japan’s Shiretoko Peninsula, known for its dramatic coastal and volcanic views and as a gateway to the remote wilderness of the region.
  • C. Nishino tunnel area
    Nishino tunnel area is a district in Nishi-ku, Sapporo, known for the Nishino Tunnel and its surrounding residential and transport infrastructure.
  • D. Odarumi Pass
    Odarumi Pass is a high mountain pass in Japan’s Southern Alps, known as a key access point for hikers and climbers exploring the surrounding peaks.
  • E. Tateyama Kurobe Alpine Route
    The Tateyama Kurobe Alpine Route is a famous Japanese mountain sightseeing corridor known for its dramatic alpine scenery, massive snow walls, and access to the Kurobe Dam.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
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: Usui Pass section between Yokokawa and Karuizawa
Triple: [Shinetsu Main Line, formerRackSection, Usui Pass section between Yokokawa and Karuizawa]
Generated description
The Usui Pass section between Yokokawa and Karuizawa is a steep, historically significant mountain railway stretch in Japan that once required special engineering to handle its challenging gradients.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Usui Pass section between Yokokawa and Karuizawa
Target entity description: The Usui Pass section between Yokokawa and Karuizawa is a steep, historically significant mountain railway stretch in Japan that once required special engineering to handle its challenging gradients.
  • A. Inume Pass in Kai Province
    Inume Pass in Kai Province is a celebrated woodblock print by Katsushika Hokusai depicting travelers crossing a mountain pass with Mount Fuji in the distance, part of his iconic landscape series.
  • B. Shiretoko Pass
    Shiretoko Pass is a scenic mountain pass on Japan’s Shiretoko Peninsula, known for its dramatic coastal and volcanic views and as a gateway to the remote wilderness of the region.
  • C. Nishino tunnel area
    Nishino tunnel area is a district in Nishi-ku, Sapporo, known for the Nishino Tunnel and its surrounding residential and transport infrastructure.
  • D. Odarumi Pass
    Odarumi Pass is a high mountain pass in Japan’s Southern Alps, known as a key access point for hikers and climbers exploring the surrounding peaks.
  • E. Tateyama Kurobe Alpine Route
    The Tateyama Kurobe Alpine Route is a famous Japanese mountain sightseeing corridor known for its dramatic alpine scenery, massive snow walls, and access to the Kurobe Dam.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: formerRackSection
Context triple: [Shinetsu Main Line, formerRackSection, Usui Pass section between Yokokawa and Karuizawa]
  • A. formerZone
    Indicates that an entity was previously designated as a particular zone or area but no longer holds that status.
  • B. relocatedSection
    Indicates that a section has been moved from its original location to a new location within a structure or document.
  • C. formerShow
    Indicates that an entity was previously the show or program associated with another entity, but is no longer in that role or status.
  • D. formerSurface
    Indicates that one entity previously served as the surface or outer layer of another entity, but no longer does so.
  • E. formerRecord
    Indicates that an entity previously held a particular record or status but no longer does so.
  • F. None of above. chosen

Provenance (7 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d6aafe02d881909900d54ad7d4af84 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a47cef60819088b7cc3a3a711e4c completed April 10, 2026, 7:19 a.m.
NED1 Entity disambiguation (via context triple) batch_69ef1471cba88190a7abdcbf4f579ea9 completed April 27, 2026, 7:46 a.m.
NEDg Description generation batch_69ef511f8f688190b2806d4e8ab16511 completed April 27, 2026, 12:05 p.m.
NED2 Entity disambiguation (via description) batch_69ef537efcc48190afffaa50f28940d8 completed April 27, 2026, 12:15 p.m.
PD Predicate disambiguation batch_69d88a7b30948190b616a9db5c5488d5 completed April 10, 2026, 5:28 a.m.
PDg Predicate description generation batch_69d89546a8688190b51455b5e12caf91 completed April 10, 2026, 6:14 a.m.
Created at: April 8, 2026, 9:40 p.m.