Triple

T22430673
Position Surface form Disambiguated ID Type / Status
Subject Nippon Sharyo E554488 entity
Predicate hasManufacturingFacility P25392 FINISHED
Object Toyokawa plant NE NERFINISHED

How this triple was built (3 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: Toyokawa plant | Statement: [Nippon Sharyo, hasManufacturingFacility, Toyokawa plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Toyokawa plant
Context triple: [Nippon Sharyo, hasManufacturingFacility, Toyokawa plant]
  • A. Ikata Nuclear Power Plant
    The Ikata Nuclear Power Plant is a coastal nuclear power facility in Ehime Prefecture, Japan, that has been a focal point of the country’s post-Fukushima energy and safety debates.
  • B. Kashiwazaki-Kariwa Nuclear Power Plant
    The Kashiwazaki-Kariwa Nuclear Power Plant is one of the world’s largest nuclear power stations, located in Niigata Prefecture, Japan, and operated by Tokyo Electric Power Company (TEPCO).
  • C. Fukushima Daiichi Nuclear Power Plant
    Fukushima Daiichi Nuclear Power Plant is a coastal Japanese nuclear power station in Ōkuma, Fukushima Prefecture, widely known as the site of the 2011 reactor meltdowns following a massive earthquake and tsunami.
  • D. Takinogawa Plant
    Takinogawa Plant is a major production facility of Japan’s National Printing Bureau, primarily involved in manufacturing secure printed materials such as banknotes and official documents.
  • E. Fukushima Daini Nuclear Power Plant
    Fukushima Daini Nuclear Power Plant is a Japanese coastal nuclear power station in Fukushima Prefecture that experienced a significant but more contained impact from the 2011 Tōhoku earthquake and tsunami than its neighboring Daiichi plant.
  • 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: Toyokawa plant
Target entity description: The Toyokawa plant is a major manufacturing facility of Nippon Sharyo, known for producing railway rolling stock and related transportation equipment in Japan.
  • A. Ikata Nuclear Power Plant
    The Ikata Nuclear Power Plant is a coastal nuclear power facility in Ehime Prefecture, Japan, that has been a focal point of the country’s post-Fukushima energy and safety debates.
  • B. Kashiwazaki-Kariwa Nuclear Power Plant
    The Kashiwazaki-Kariwa Nuclear Power Plant is one of the world’s largest nuclear power stations, located in Niigata Prefecture, Japan, and operated by Tokyo Electric Power Company (TEPCO).
  • C. Fukushima Daiichi Nuclear Power Plant
    Fukushima Daiichi Nuclear Power Plant is a coastal Japanese nuclear power station in Ōkuma, Fukushima Prefecture, widely known as the site of the 2011 reactor meltdowns following a massive earthquake and tsunami.
  • D. Takinogawa Plant
    Takinogawa Plant is a major production facility of Japan’s National Printing Bureau, primarily involved in manufacturing secure printed materials such as banknotes and official documents.
  • E. Fukushima Daini Nuclear Power Plant
    Fukushima Daini Nuclear Power Plant is a Japanese coastal nuclear power station in Fukushima Prefecture that experienced a significant but more contained impact from the 2011 Tōhoku earthquake and tsunami than its neighboring Daiichi plant.
  • F. None of above. chosen

Provenance (2 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_69e11e4f2d0c819091aa3558ea2ee630 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15a311b148190bdb752f3f067bb3f completed April 29, 2026, 1:09 a.m.
Created at: April 16, 2026, 8:47 p.m.