Triple

T515673
Position Surface form Disambiguated ID Type / Status
Subject Japan Socialist Party E10700 entity
Predicate notableLeader P304 FINISHED
Object Tetsu Katayama
Tetsu Katayama was a Japanese socialist politician who served as Japan’s first postwar prime minister and the first from a socialist party.
E90776 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: Tetsu Katayama | Statement: [Japan Socialist Party, notableLeader, Tetsu Katayama]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tetsu Katayama
Context triple: [Japan Socialist Party, notableLeader, Tetsu Katayama]
  • A. Daisuke Kato
    Daisuke Kato is a former Japanese professional baseball player best known for his time with the Orix Buffaloes in Nippon Professional Baseball.
  • B. Eishiro Saito
    Eishiro Saito was a prominent Japanese businessman and sports administrator who notably led the organizing committee for the 1998 Winter Olympics in Nagano.
  • C. Jirō Minami
    Jirō Minami was a Japanese general and colonial administrator who served as Governor-General of Korea during the later period of Japanese rule.
  • D. Yoshitsugu Saito
    Yoshitsugu Saitō was an Imperial Japanese Army lieutenant general best known for leading Japan’s doomed defense of Saipan during World War II and dying in the battle.
  • E. Koichi Tanaka
    Koichi Tanaka is a Japanese engineer and Nobel Prize–winning chemist renowned for his pioneering work in mass spectrometry, particularly soft laser desorption ionization.
  • 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: Tetsu Katayama
Triple: [Japan Socialist Party, notableLeader, Tetsu Katayama]
Generated description
Tetsu Katayama was a Japanese socialist politician who served as Japan’s first postwar prime minister and the first from a socialist party.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tetsu Katayama
Target entity description: Tetsu Katayama was a Japanese socialist politician who served as Japan’s first postwar prime minister and the first from a socialist party.
  • A. Daisuke Kato
    Daisuke Kato is a former Japanese professional baseball player best known for his time with the Orix Buffaloes in Nippon Professional Baseball.
  • B. Eishiro Saito
    Eishiro Saito was a prominent Japanese businessman and sports administrator who notably led the organizing committee for the 1998 Winter Olympics in Nagano.
  • C. Jirō Minami
    Jirō Minami was a Japanese general and colonial administrator who served as Governor-General of Korea during the later period of Japanese rule.
  • D. Yoshitsugu Saito
    Yoshitsugu Saitō was an Imperial Japanese Army lieutenant general best known for leading Japan’s doomed defense of Saipan during World War II and dying in the battle.
  • E. Koichi Tanaka
    Koichi Tanaka is a Japanese engineer and Nobel Prize–winning chemist renowned for his pioneering work in mass spectrometry, particularly soft laser desorption ionization.
  • 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_69a2e84a0d08819087e01863fcd9abf1 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f1836b688190a60cc901a8724159 completed Feb. 28, 2026, 1:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69a66660d36481909b938cf569337df9 completed March 3, 2026, 4:41 a.m.
NEDg Description generation batch_69a666f5d80481908363e622337db227 completed March 3, 2026, 4:43 a.m.
NED2 Entity disambiguation (via description) batch_69a66748ce7c81908d1cbc6e8767a368 completed March 3, 2026, 4:44 a.m.
Created at: Feb. 28, 2026, 1:12 p.m.