Triple

T7006015
Position Surface form Disambiguated ID Type / Status
Subject Tohoku Rakuten Golden Eagles E162457 entity
Predicate notablePlayer P304 FINISHED
Object Hisashi Iwakuma
Hisashi Iwakuma is a Japanese former professional baseball pitcher best known for his successful career in Nippon Professional Baseball and Major League Baseball, including an All-Star stint with the Seattle Mariners.
 E636291 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: Hisashi Iwakuma | Statement: [Tohoku Rakuten Golden Eagles, notablePlayer, Hisashi Iwakuma]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hisashi Iwakuma
Context triple: [Tohoku Rakuten Golden Eagles, notablePlayer, Hisashi Iwakuma]
  • A. Koji Uehara
    Koji Uehara is a Japanese former professional baseball pitcher best known as an elite closer in Major League Baseball, particularly for his dominant postseason performance with the Boston Red Sox.
  • B. Masahiro Tanaka
    Masahiro Tanaka is a Japanese professional baseball pitcher best known for his dominant career with the Tohoku Rakuten Golden Eagles and the New York Yankees, as well as his key performances in international competition.
  • C. Daisuke Matsuzaka
    Daisuke Matsuzaka is a Japanese former professional baseball pitcher renowned for his dominance in Nippon Professional Baseball and his subsequent Major League Baseball career, including a World Series title with the Boston Red Sox.
  • D. Hideo Nomo
    Hideo Nomo is a pioneering Japanese pitcher who became a Major League Baseball star in the 1990s, helping open the door for future Japanese players in the United States.
  • E. Hiroki Kuroda
    Hiroki Kuroda is a Japanese former professional baseball pitcher best known for his successful career in both Nippon Professional Baseball and Major League Baseball, including standout seasons with the Los Angeles Dodgers and New York Yankees.
  • 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: Hisashi Iwakuma
Triple: [Tohoku Rakuten Golden Eagles, notablePlayer, Hisashi Iwakuma]
Generated description
Hisashi Iwakuma is a Japanese former professional baseball pitcher best known for his successful career in Nippon Professional Baseball and Major League Baseball, including an All-Star stint with the Seattle Mariners.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hisashi Iwakuma
Target entity description: Hisashi Iwakuma is a Japanese former professional baseball pitcher best known for his successful career in Nippon Professional Baseball and Major League Baseball, including an All-Star stint with the Seattle Mariners.
  • A. Koji Uehara
    Koji Uehara is a Japanese former professional baseball pitcher best known as an elite closer in Major League Baseball, particularly for his dominant postseason performance with the Boston Red Sox.
  • B. Masahiro Tanaka
    Masahiro Tanaka is a Japanese professional baseball pitcher best known for his dominant career with the Tohoku Rakuten Golden Eagles and the New York Yankees, as well as his key performances in international competition.
  • C. Daisuke Matsuzaka
    Daisuke Matsuzaka is a Japanese former professional baseball pitcher renowned for his dominance in Nippon Professional Baseball and his subsequent Major League Baseball career, including a World Series title with the Boston Red Sox.
  • D. Hideo Nomo
    Hideo Nomo is a pioneering Japanese pitcher who became a Major League Baseball star in the 1990s, helping open the door for future Japanese players in the United States.
  • E. Hiroki Kuroda
    Hiroki Kuroda is a Japanese former professional baseball pitcher best known for his successful career in both Nippon Professional Baseball and Major League Baseball, including standout seasons with the Los Angeles Dodgers and New York Yankees.
  • 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_69c6885928148190ae31909fbb5e9849 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6dc34b5a88190a793e07dd4d0018b completed March 27, 2026, 7:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7755c7c1481908eed49c72726195e completed March 28, 2026, 6:29 a.m.
NEDg Description generation batch_69c7774e453881909df31386a911cfa4 completed March 28, 2026, 6:38 a.m.
NED2 Entity disambiguation (via description) batch_69c777d9c29c81908a816aed059ecc96 completed March 28, 2026, 6:40 a.m.
Created at: March 27, 2026, 2:33 p.m.