Triple

T4955129
Position Surface form Disambiguated ID Type / Status
Subject Chunichi Dragons E111262 entity
Predicate notablePlayer P304 FINISHED
Object Masahiro Yamamoto
Masahiro Yamamoto is a former Japanese professional baseball pitcher renowned for his long career and success in Nippon Professional Baseball, primarily with the Chunichi Dragons.
E742714 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: Masahiro Yamamoto | Statement: [Chunichi Dragons, notablePlayer, Masahiro Yamamoto]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Masahiro Yamamoto
Context triple: [Chunichi Dragons, notablePlayer, Masahiro Yamamoto]
  • A. Yosuke Matsuoka
    Yosuke Matsuoka was a prominent Japanese diplomat and foreign minister of the early Shōwa era, known for his role in Japan’s expansionist foreign policy leading up to and during World War II.
  • B. Sakon Yamamoto
    Sakon Yamamoto is a Japanese racing driver best known for his stint in Formula One during the mid-2000s with several backmarker teams.
  • C. Kazuyuki Ushijima
    Kazuyuki Ushijima is a Japanese individual notable enough to be specifically cited as a prominent bearer of the surname Ushijima.
  • D. Saburō Kurusu
    Saburō Kurusu was a Japanese diplomat best known for his role in U.S.-Japan negotiations immediately before the attack on Pearl Harbor.
  • E. Sankichi Takahashi
    Sankichi Takahashi was an admiral in the Imperial Japanese Navy who rose to its top wartime command as Commander-in-Chief of the Combined Fleet during World War II.
  • 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: Masahiro Yamamoto
Triple: [Chunichi Dragons, notablePlayer, Masahiro Yamamoto]
Generated description
Masahiro Yamamoto is a former Japanese professional baseball pitcher renowned for his long career and success in Nippon Professional Baseball, primarily with the Chunichi Dragons.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Masahiro Yamamoto
Target entity description: Masahiro Yamamoto is a former Japanese professional baseball pitcher renowned for his long career and success in Nippon Professional Baseball, primarily with the Chunichi Dragons.
  • A. Yosuke Matsuoka
    Yosuke Matsuoka was a prominent Japanese diplomat and foreign minister of the early Shōwa era, known for his role in Japan’s expansionist foreign policy leading up to and during World War II.
  • B. Sakon Yamamoto
    Sakon Yamamoto is a Japanese racing driver best known for his stint in Formula One during the mid-2000s with several backmarker teams.
  • C. Kazuyuki Ushijima
    Kazuyuki Ushijima is a Japanese individual notable enough to be specifically cited as a prominent bearer of the surname Ushijima.
  • D. Saburō Kurusu
    Saburō Kurusu was a Japanese diplomat best known for his role in U.S.-Japan negotiations immediately before the attack on Pearl Harbor.
  • E. Sankichi Takahashi
    Sankichi Takahashi was an admiral in the Imperial Japanese Navy who rose to its top wartime command as Commander-in-Chief of the Combined Fleet during World War II.
  • 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_69bd4418390c8190b7e9766a2512ce55 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd71babb44819085b4cd4864433e79 completed March 20, 2026, 4:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce88013b58819098bb60188fee1465 completed April 2, 2026, 3:15 p.m.
NEDg Description generation batch_69ce8a442b508190bd8319fda51edc4b completed April 2, 2026, 3:24 p.m.
NED2 Entity disambiguation (via description) batch_69ce8afff50c8190b2dd1a7e0a5a130b completed April 2, 2026, 3:28 p.m.
Created at: March 20, 2026, 1:32 p.m.