Triple

T22695070
Position Surface form Disambiguated ID Type / Status
Subject J-PARC neutrino beamline E561153 entity
Predicate locatedIn P40 FINISHED
Object Tokai, Ibaraki Prefecture, Japan — 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: Tokai, Ibaraki Prefecture, Japan | Statement: [J-PARC neutrino beamline, locatedIn, Tokai, Ibaraki Prefecture, Japan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tokai, Ibaraki Prefecture, Japan
Context triple: [J-PARC neutrino beamline, locatedIn, Tokai, Ibaraki Prefecture, Japan]
  • A. Tokorozawa, Saitama, Japan
    Tokorozawa is a city in Saitama Prefecture, Japan, known as a residential and commercial hub in the Tokyo metropolitan area and for hosting Seibu Dome and the Seibu Railway network.
  • B. Miyoshi, Saitama, Japan
    Miyoshi is a town in Saitama Prefecture, Japan, located in the Greater Tokyo area and known primarily as a residential community with local agriculture and light industry.
  • C. Hidaka, Saitama, Japan
    Hidaka is a city in Saitama Prefecture, Japan, known for its blend of suburban residential areas, historic temples, and access to natural scenery.
  • D. Nakanojō, Gunma Prefecture, Japan
    Nakanojō, in Gunma Prefecture, Japan, is a rural hot-spring town in the mountains of central Honshu known for its onsen resorts and scenic natural surroundings.
  • E. Iruma, Saitama, Japan
    Iruma is a city in Saitama Prefecture, Japan, known for its Sayama tea production and suburban residential character within the Greater Tokyo 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: Tokai, Ibaraki Prefecture, Japan
Target entity description: Tokai in Ibaraki Prefecture, Japan, is a coastal village known as a major hub for nuclear and particle physics research facilities, including the J-PARC accelerator complex.
  • A. Tokorozawa, Saitama, Japan
    Tokorozawa is a city in Saitama Prefecture, Japan, known as a residential and commercial hub in the Tokyo metropolitan area and for hosting Seibu Dome and the Seibu Railway network.
  • B. Miyoshi, Saitama, Japan
    Miyoshi is a town in Saitama Prefecture, Japan, located in the Greater Tokyo area and known primarily as a residential community with local agriculture and light industry.
  • C. Hidaka, Saitama, Japan
    Hidaka is a city in Saitama Prefecture, Japan, known for its blend of suburban residential areas, historic temples, and access to natural scenery.
  • D. Nakanojō, Gunma Prefecture, Japan
    Nakanojō, in Gunma Prefecture, Japan, is a rural hot-spring town in the mountains of central Honshu known for its onsen resorts and scenic natural surroundings.
  • E. Iruma, Saitama, Japan
    Iruma is a city in Saitama Prefecture, Japan, known for its Sayama tea production and suburban residential character within the Greater Tokyo area.
  • 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_69e2454e615481909c177440be559d2c completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f1789d46c881908176bc8e26f366f6 completed April 29, 2026, 3:18 a.m.
Created at: April 17, 2026, 3:14 p.m.