Triple

T6883858
Position Surface form Disambiguated ID Type / Status
Subject Saitama Seibu Lions E158865 entity
Predicate notablePlayer P304 FINISHED
Object Kazuo Matsui
Kazuo Matsui is a Japanese former professional baseball infielder who starred in Nippon Professional Baseball and later played in Major League Baseball, most notably with the New York Mets and Houston Astros.
 E625919 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: Kazuo Matsui | Statement: [Saitama Seibu Lions, notablePlayer, Kazuo Matsui]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kazuo Matsui
Context triple: [Saitama Seibu Lions, notablePlayer, Kazuo Matsui]
  • A. Ichirō Matsui
    Ichirō Matsui is a Japanese politician and former governor of Osaka Prefecture, best known as a leading figure in regional reform politics and as a co-founder of the Nippon Ishin no Kai party.
  • B. Hideki Matsui
    Hideki Matsui is a former Japanese professional baseball slugger who became a star outfielder and designated hitter in Major League Baseball, most notably with the New York Yankees.
  • C. Tiger Tanaka
    Tiger Tanaka is the head of the Japanese Secret Service and a key ally to James Bond in the film and novel "You Only Live Twice."
  • D. Seiya Suzuki
    Seiya Suzuki is a Japanese professional baseball outfielder known for his power hitting and strong all-around play, who starred in Nippon Professional Baseball before moving to Major League Baseball.
  • E. Kosuke Fukudome
    Kosuke Fukudome is a Japanese professional baseball outfielder known for his successful career in Nippon Professional Baseball and Major League Baseball, including stints with the Chicago Cubs and Cleveland Indians.
  • 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: Kazuo Matsui
Triple: [Saitama Seibu Lions, notablePlayer, Kazuo Matsui]
Generated description
Kazuo Matsui is a Japanese former professional baseball infielder who starred in Nippon Professional Baseball and later played in Major League Baseball, most notably with the New York Mets and Houston Astros.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kazuo Matsui
Target entity description: Kazuo Matsui is a Japanese former professional baseball infielder who starred in Nippon Professional Baseball and later played in Major League Baseball, most notably with the New York Mets and Houston Astros.
  • A. Ichirō Matsui
    Ichirō Matsui is a Japanese politician and former governor of Osaka Prefecture, best known as a leading figure in regional reform politics and as a co-founder of the Nippon Ishin no Kai party.
  • B. Hideki Matsui
    Hideki Matsui is a former Japanese professional baseball slugger who became a star outfielder and designated hitter in Major League Baseball, most notably with the New York Yankees.
  • C. Tiger Tanaka
    Tiger Tanaka is the head of the Japanese Secret Service and a key ally to James Bond in the film and novel "You Only Live Twice."
  • D. Seiya Suzuki
    Seiya Suzuki is a Japanese professional baseball outfielder known for his power hitting and strong all-around play, who starred in Nippon Professional Baseball before moving to Major League Baseball.
  • E. Kosuke Fukudome
    Kosuke Fukudome is a Japanese professional baseball outfielder known for his successful career in Nippon Professional Baseball and Major League Baseball, including stints with the Chicago Cubs and Cleveland Indians.
  • 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_69c688342f6c8190ad7eea6ba262db99 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d8ea59108190a85f9112b6a4e59a completed March 27, 2026, 7:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c742d652088190a65e06eb7fe79cfc completed March 28, 2026, 2:54 a.m.
NEDg Description generation batch_69c7441117ec8190b9b355c474289010 completed March 28, 2026, 2:59 a.m.
NED2 Entity disambiguation (via description) batch_69c744a20bd481908a7c6aaa6383a68f completed March 28, 2026, 3:01 a.m.
Created at: March 27, 2026, 2:23 p.m.