Triple

T20763672
Position Surface form Disambiguated ID Type / Status
Subject Ikeda Dam E511036 entity
Predicate owner P347 FINISHED
Object Electric Power Development Co., Ltd. — NE NERFINISHED

How this triple was built (2 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: Electric Power Development Co., Ltd. | Statement: [Ikeda Dam, owner, Electric Power Development Co., Ltd.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Electric Power Development Co., Ltd.
Context triple: [Ikeda Dam, owner, Electric Power Development Co., Ltd.]
  • A. Electric Power Development Co., Ltd. chosen
    Electric Power Development Co., Ltd. is a major Japanese electric utility company, commonly known as J-POWER, that develops and operates power generation and transmission facilities in Japan and abroad.
  • B. State Grid Corporation of China
    State Grid Corporation of China is a Chinese state-owned electric utility company and one of the largest power grid operators in the world, responsible for building and managing much of China’s electricity transmission and distribution network.
  • C. National Power Corporation
    The National Power Corporation is a Philippine government-owned corporation responsible for power generation and electrification, particularly in missionary and off-grid areas.
  • D. China Huaneng Group
    China Huaneng Group is one of China’s largest state-owned power generation companies, operating extensive coal, hydro, wind, and solar assets domestically and abroad.
  • E. Chubu Electric Power
    Chubu Electric Power is a major Japanese electric utility company that supplies power primarily to the Chūbu region, including the Chūkyō metropolitan area.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69e0b4ca01148190ac018e57e0cab46f completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c24b18b8819082e61104be6f83a3 completed April 21, 2026, 12:18 a.m.
Created at: April 16, 2026, 12:35 p.m.