Triple

T487229
Position Surface form Disambiguated ID Type / Status
Subject Constitutional Democratic Party of Japan E9904 entity
Predicate hasLeader P981 FINISHED
Object Kenta Izumi
Kenta Izumi is a Japanese politician who serves as the leader of the main opposition force, the Constitutional Democratic Party of Japan.
E72210 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: Kenta Izumi | Statement: [Constitutional Democratic Party of Japan, hasLeader, Kenta Izumi]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kenta Izumi
Context triple: [Constitutional Democratic Party of Japan, hasLeader, Kenta Izumi]
  • A. Takuma Tono
    Takuma Tono was a Japanese landscape architect known for bringing traditional Japanese garden design to international prominence, including in the United States.
  • B. Hayato Ikeda
    Hayato Ikeda was a Japanese prime minister known for his “income-doubling plan” and for overseeing rapid economic growth and modernization in postwar Japan.
  • C. Tomonori Kanemoto
    Tomonori Kanemoto is a former Japanese professional baseball outfielder and manager, best known as an ironman of Nippon Professional Baseball for his consecutive games and innings played streaks.
  • D. Daisuke Kato
    Daisuke Kato is a former Japanese professional baseball player best known for his time with the Orix Buffaloes in Nippon Professional Baseball.
  • E. Kyuji Fujikawa
    Kyuji Fujikawa is a Japanese professional baseball pitcher best known as a dominant closer in Nippon Professional Baseball and a longtime star for the Hanshin Tigers.
  • 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: Kenta Izumi
Triple: [Constitutional Democratic Party of Japan, hasLeader, Kenta Izumi]
Generated description
Kenta Izumi is a Japanese politician who serves as the leader of the main opposition force, the Constitutional Democratic Party of Japan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kenta Izumi
Target entity description: Kenta Izumi is a Japanese politician who serves as the leader of the main opposition force, the Constitutional Democratic Party of Japan.
  • A. Takuma Tono
    Takuma Tono was a Japanese landscape architect known for bringing traditional Japanese garden design to international prominence, including in the United States.
  • B. Hayato Ikeda
    Hayato Ikeda was a Japanese prime minister known for his “income-doubling plan” and for overseeing rapid economic growth and modernization in postwar Japan.
  • C. Tomonori Kanemoto
    Tomonori Kanemoto is a former Japanese professional baseball outfielder and manager, best known as an ironman of Nippon Professional Baseball for his consecutive games and innings played streaks.
  • D. Daisuke Kato
    Daisuke Kato is a former Japanese professional baseball player best known for his time with the Orix Buffaloes in Nippon Professional Baseball.
  • E. Kyuji Fujikawa
    Kyuji Fujikawa is a Japanese professional baseball pitcher best known as a dominant closer in Nippon Professional Baseball and a longtime star for the Hanshin Tigers.
  • 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_69a2e802e2908190ab17c9479e0b6412 completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2f0de66308190a18503a482881cfc completed Feb. 28, 2026, 1:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69a501b9767c8190a3449503fa372c64 completed March 2, 2026, 3:19 a.m.
NEDg Description generation batch_69a5042b2dec81909660d83b5d472392 completed March 2, 2026, 3:29 a.m.
NED2 Entity disambiguation (via description) batch_69a504bef61c8190a83f8b2cb356be29 completed March 2, 2026, 3:32 a.m.
Created at: Feb. 28, 2026, 1:12 p.m.