Triple

T9296330
Position Surface form Disambiguated ID Type / Status
Subject Futaba, Fukushima Prefecture E223646 entity
Predicate partOf P40 FINISHED
Object Hamadori (coastal region of Fukushima)
Hamadori is the coastal region of Fukushima Prefecture in northeastern Japan, known for its Pacific shoreline, fishing communities, and the area surrounding the Fukushima Daiichi Nuclear Power Plant.
 E790342 NE FINISHED

How this triple was built (4 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: Hamadori (coastal region of Fukushima) | Statement: [Futaba, Fukushima Prefecture, partOf, Hamadori (coastal region of Fukushima)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hamadori (coastal region of Fukushima)
Context triple: [Futaba, Fukushima Prefecture, partOf, Hamadori (coastal region of Fukushima)]
  • A. Taira, Fukushima Prefecture, Japan
    Taira, located in Fukushima Prefecture, Japan, is a district of the city of Iwaki known as a regional commercial and administrative center.
  • B. Rikuzentakata–Kesennuma coastal area
    The Rikuzentakata–Kesennuma coastal area is a Pacific shoreline region in northeastern Japan known for its fishing communities, scenic bays, and severe damage from the 2011 Tōhoku earthquake and tsunami.
  • C. Mikawashima area
    Mikawashima area is a neighborhood within Tokyo’s Arakawa ward, known as a traditional shitamachi district with a mix of residential streets, small shops, and local rail connections.
  • D. Fukushima Prefecture
    Fukushima Prefecture is a large region in northeastern Honshu, Japan, known for its agriculture, hot springs, and the site of the 2011 nuclear disaster at the Fukushima Daiichi power plant.
  • E. Futaba, Fukushima Prefecture
    Futaba, Fukushima Prefecture is a coastal Japanese town in northeastern Honshu best known as one of the municipalities hosting the Fukushima Daiichi Nuclear Power Plant and being heavily affected by the 2011 nuclear disaster.
  • 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: Hamadori (coastal region of Fukushima)
Triple: [Futaba, Fukushima Prefecture, partOf, Hamadori (coastal region of Fukushima)]
Generated description
Hamadori is the coastal region of Fukushima Prefecture in northeastern Japan, known for its Pacific shoreline, fishing communities, and the area surrounding the Fukushima Daiichi Nuclear Power Plant.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hamadori (coastal region of Fukushima)
Target entity description: Hamadori is the coastal region of Fukushima Prefecture in northeastern Japan, known for its Pacific shoreline, fishing communities, and the area surrounding the Fukushima Daiichi Nuclear Power Plant.
  • A. Taira, Fukushima Prefecture, Japan
    Taira, located in Fukushima Prefecture, Japan, is a district of the city of Iwaki known as a regional commercial and administrative center.
  • B. Rikuzentakata–Kesennuma coastal area
    The Rikuzentakata–Kesennuma coastal area is a Pacific shoreline region in northeastern Japan known for its fishing communities, scenic bays, and severe damage from the 2011 Tōhoku earthquake and tsunami.
  • C. Mikawashima area
    Mikawashima area is a neighborhood within Tokyo’s Arakawa ward, known as a traditional shitamachi district with a mix of residential streets, small shops, and local rail connections.
  • D. Fukushima Prefecture
    Fukushima Prefecture is a large region in northeastern Honshu, Japan, known for its agriculture, hot springs, and the site of the 2011 nuclear disaster at the Fukushima Daiichi power plant.
  • E. Futaba, Fukushima Prefecture
    Futaba, Fukushima Prefecture is a coastal Japanese town in northeastern Honshu best known as one of the municipalities hosting the Fukushima Daiichi Nuclear Power Plant and being heavily affected by the 2011 nuclear disaster.
  • F. None of above. chosen

Provenance (5 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_69ca8423edb08190bc0c91287a484768 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd089c9c588190967404c9eb938dfb completed April 1, 2026, 11:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0b248f99c8190a617b1d676799c75 completed April 4, 2026, 6:40 a.m.
NEDg Description generation batch_69d0b3f4bb6c819082d3f801ad88304f completed April 4, 2026, 6:47 a.m.
NED2 Entity disambiguation (via description) batch_69d0b4b8131c8190b2aa8be56925b7bc completed April 4, 2026, 6:50 a.m.
Created at: March 30, 2026, 7:36 p.m.